Toyota 4Runner manuals

Toyota 4Runner: Terminals Of Ecu

TERMINALS OF ECU

1. CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY


(a) Disconnect the h1 multiplex network master switch connector.

(b) Measure the voltage and resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

h1-11 (B) - h1-12 (GND)

G - W-B

Power supply

Always

11 to 14 V

h1-12 (GND) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

If the result is not as specified, there may be a malfunction in the wire harness.

(c) Reconnect the h1 multiplex network master switch connector.

(d) Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

h1-15 (DOWN) - h1-12 (GND)

B - W-B

Power window motor down input

Ignition switch ON, driver side power window regulator switch off

11 to 14 V

h1-15 (DOWN) - h1-12 (GND)

B - W-B

Power window motor down input

Ignition switch ON, driver side power window switch down (Manual operation)

Below 1 V

h1-18 (LED) - h1-12 (GND)

V - W-B

LED illumination signal

Ignition switch ON

11 to 14 V

h1-18 (LED) - h1-12 (GND)

V - W-B

LED illumination signal

Approximately 43 seconds after ignition switch turned off

Below 1 V

h1-20 (UP) - h1-12 (GND)

L - W-B

Power window motor up input

Ignition switch ON, driver side power window switch off

11 to 14 V

h1-20 (UP) - h1-12 (GND)

L - W-B

Power window motor up input

Ignition switch ON, driver side power window switch up (Manual operation)

Below 1 V

If the result is not as specified, the multiplex network master switch may have a malfunction.

2. CHECK POWER WINDOW REGULATOR SWITCH ASSEMBLY


(a) Disconnect the g1 power window regulator switch connector.

(b) Measure the resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

g1-1 (GND) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

If the result is not as specified, there may be a malfunction in the wire harness.

(c) Reconnect the g1 power window regulator switch connector.

(d) Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

g1-6 (UP) - g1-1 (GND)

L - W-B

Power window motor up input

Ignition switch ON, power window regulator switch off

11 to 14 V

g1-6 (UP) - g1-1 (GND)

L - W-B

Power window motor up input

Ignition switch ON, power window regulator switch up

Below 1 V

g1-8 (AUTO) - g1-1 (GND)

P - W-B

Power window motor auto up or down input

Ignition switch ON, door glass fully open

11 to 14 V

g1-8 (AUTO) - g1-1 (GND)

P - W-B

Power window motor auto up or down input

Ignition switch ON, power window auto up or down function operating

Below 1 V

g1-8 (AUTO) - g1-1 (GND)

P - W-B

Power window motor auto up or down input

Ignition switch ON, door glass fully closed

11 to 14 V

g1-4 (LED) - g1-1 (GND)

V - W-B

LED illumination signal

Ignition switch ON

11 to 14 V

g1-4 (LED) - g1-1 (GND)

V - W-B

LED illumination signal

Approximately 43 seconds after the ignition switch is turned off

Below 1 V

g1-7 (DOWN) - g1-1 (GND)

B - W-B

Power window motor down input

Ignition switch ON, power window regulator switch off

11 to 14 V

g1-7 (DOWN) - g1-1 (GND)

B - W-B

Power window motor down input

Ignition switch ON, power window regulator switch down

Below 1 V

If the result is not as specified, the power window regulator switch may have a malfunction.

3. CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH


(a) Disconnect the j1 rear power window regulator switch connector.

(b) Measure the resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

j1-1 (GND) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

If the result is not as specified, there may be a malfunction in the wire harness.

(c) Reconnect the j1 rear power window regulator switch connector.

(d) Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

j1-6 (UP) - j1-1 (GND)

L - W-B

Power window motor up input

Ignition switch ON, power window regulator switch off

11 to 14 V

j1-6 (UP) - j1-1 (GND)

L - W-B

Power window motor up input

Ignition switch ON, power window regulator switch up

Below 1 V

j1-8 (AUTO) - j1-1 (GND)

P - W-B

Power window motor auto up or down input

Ignition switch ON, door glass fully open

11 to 14 V

j1-8 (AUTO) - j1-1 (GND)

P - W-B

Power window motor auto up or down input

Ignition switch ON, power window auto up or down function operating

Below 1 V

j1-8 (AUTO) - j1-1 (GND)

P - W-B

Power window motor auto up or down input

Ignition switch ON, door glass fully closed

11 to 14 V

j1-4 (LED) - j1-1 (GND)

V - W-B

LED illumination signal

Ignition switch ON

11 to 14 V

j1-4 (LED) - j1-1 (GND)

V - W-B

LED illumination signal

Approximately 43 seconds after the ignition switch is turned off

Below 1 V

j1-7 (DOWN) - j1-1 (GND)

B - W-B

Power window motor down input

Ignition switch ON, power window regulator switch off

11 to 14 V

j1-7 (DOWN) - j1-1 (GND)

B - W-B

Power window motor down input

Ignition switch ON, power window regulator switch down

Below 1 V

If the result is not as specified, the power window regulator switch may have a malfunction.

4. CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY RH


(a) Disconnect the i1 rear power window regulator switch connector.

(b) Measure the resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

i1-1 (GND) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

If the result is not as specified, there may be a malfunction in the wire harness.

(c) Reconnect the i1 rear power window regulator switch connector.

(d) Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

i1-6 (UP) - i1-1 (GND)

L - W-B

Power window motor up input

Ignition switch ON, power window regulator switch off

11 to 14 V

i1-6 (UP) - i1-1 (GND)

L - W-B

Power window motor up input

Ignition switch ON, power window regulator switch up

Below 1 V

i1-8 (AUTO) - i1-1 (GND)

P - W-B

Power window motor auto up or down input

Ignition switch ON, door glass fully open

11 to 14 V

i1-8 (AUTO) - i1-1 (GND)

P - W-B

Power window motor auto up or down input

Ignition switch ON, power window auto up or down function operating

Below 1 V

i1-8 (AUTO) - i1-1 (GND)

P - W-B

Power window motor auto up or down input

Ignition switch ON, door glass fully closed

11 to 14 V

i1-4 (LED) - i1-1 (GND)

V - W-B

LED illumination signal

Ignition switch ON

11 to 14 V

i1-4 (LED) - i1-1 (GND)

V - W-B

LED illumination signal

Approximately 43 seconds after the ignition switch is turned off

Below 1 V

i1-7 (DOWN) - i1-1 (GND)

B - W-B

Power window motor down input

Ignition switch ON, power window regulator switch off

11 to 14 V

i1-7 (DOWN) - i1-1 (GND)

B - W-B

Power window motor down input

Ignition switch ON, power window regulator switch down

Below 1 V

If the result is not as specified, the rear power window regulator switch may have a malfunction.

5. CHECK BACK DOOR POWER WINDOW REGULATOR SWITCH ASSEMBLY


(a) Disconnect the f1 back door power window regulator switch connector.

(b) Measure the resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

f1-1 (E) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

If the result is not as specified, there may be a malfunction in the wire harness.

(c) Reconnect the f1 rear power window regulator switch connector.

(d) Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

f1-6 (UP) - f1-1 (E)

P - W-B

Power window motor up input

Ignition switch ON, power window regulator switch off

11 to 14 V

f1-6 (UP) - f1-1 (E)

P - W-B

Power window motor up input

Ignition switch ON, power window regulator switch up

Below 1 V

f1-8 (AUTO) - f1-1 (E)

B - W-B

Power window motor auto up or down input

Ignition switch ON, door glass fully open

11 to 14 V

f1-8 (AUTO) - f1-1 (E)

B - W-B

Power window motor auto up or down input

Ignition switch ON, power window auto up or down function operating

Below 1 V

f1-8 (AUTO) - f1-1 (E)

B - W-B

Power window motor auto up or down input

Ignition switch ON, door glass fully closed

11 to 14 V

f1-4 (ILL+) - f1-1 (E)

V - W-B

LED illumination signal

Ignition switch ON

11 to 14 V

f1-4 (ILL+) - f1-1 (E)

V - W-B

LED illumination signal

Approximately 43 seconds after the ignition switch is turned off

Below 1 V

f1-7 (DOWN) - f1-1 (E)

R - W-B

Power window motor down input

Ignition switch ON, power window regulator switch off

11 to 14 V

f1-7 (DOWN) - f1-1 (E)

R - W-B

Power window motor down input

Ignition switch ON, power window regulator switch down

Below 1 V

If the result is not as specified, the rear power window regulator switch may have a malfunction.

6. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH


(a) Disconnect the I2 power window regulator motor connector.

(b) Measure the voltage and resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

I2-1 (GND) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

I2-2 (B) - Body ground

R - Body ground

Battery power supply

Always

11 to 14 V

If the result is not as specified, there may be a malfunction in the wire harness.

(c) Reconnect the I2 power window regulator motor connector.

(d) Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

I2-5 (LED) - I2-1 (GND)

V - W-B

LED illumination signal

Ignition switch ON

11 to 14 V

I2-5 (LED) - I2-1 (GND)

V - W-B

LED illumination signal

Approximately 43 seconds after ignition switch turned off

Below 1 V

I2-7 (DOWN) - I2-1 (GND)

B - W-B

Power window motor down output

Ignition switch ON, power window regulator master switch off

11 to 14 V

I2-7 (DOWN) - I2-1 (GND)

B - W-B

Power window motor down output

Ignition switch ON, power window regulator master switch down

Below 1 V

I2-7 (DOWN) - I2-1 (GND)

B - W-B

Power window motor down output

Ignition switch ON, door glass fully closed

11 to 14 V

I2-7 (DOWN) - I2-1 (GND)

B - W-B

Power window motor down output

Ignition switch ON, power window auto down function operating

Below 1 V

I2-7 (DOWN) - I2-1 (GND)

B - W-B

Power window motor down output

Ignition switch ON, door glass fully open

11 to 14 V

I2-10 (UP) - I2-1 (GND)

L - W-B

Power window motor up output

Ignition switch ON, power window regulator master switch off

11 to 14 V

I2-10 (UP) - I2-1 (GND)

L - W-B

Power window motor up output

Ignition switch ON, power window regulator master switch up

Below 1 V

I2-10 (UP) - I2-1 (GND)

L - W-B

Power window motor up output

Ignition switch ON, door glass fully open

11 to 14 V

I2-10 (UP) - I2-1 (GND)

L - W-B

Power window motor up output

Ignition switch ON, power window auto up function operating

Below 1 V

I2-10 (UP) - I2-1 (GND)

L - W-B

Power window motor up output

Ignition switch ON, door glass fully closed

11 to 14 V

If the result is not as specified, the power window regulator motor may have a malfunction.

7. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH


(a) Disconnect the H2 power window regulator motor connector.

(b) Measure the voltage and resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

H2-1 (GND) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

H2-2 (B) - Body ground

G - Body ground

Battery power supply

Always

11 to 14 V

If the result is not as specified, there may be a malfunction in the wire harness.

(c) Reconnect the H2 power window regulator motor connector.

(d) Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

H2-5 (LED) - H2-1 (GND)

V - W-B

LED illumination signal

Ignition switch ON

11 to 14 V

H2-5 (LED) - H2-1 (GND)

V - W-B

LED illumination signal

Approximately 43 seconds after ignition switch turned off

Below 1 V

H2-7 (DOWN) - H2-1 (GND)

B - W-B

Power window motor down output

Ignition switch ON, power window regulator switch off

11 to 14 V

H2-7 (DOWN) - H2-1 (GND)

B - W-B

Power window motor down output

Ignition switch ON, power window regulator switch down

Below 1 V

H2-7 (DOWN) - H2-1 (GND)

B - W-B

Power window motor down output

Ignition switch ON, door glass fully closed

11 to 14 V

H2-7 (DOWN) - H2-1 (GND)

B - W-B

Power window motor down output

Ignition switch ON, power window auto down function operating

Below 1 V

H2-7 (DOWN) - H2-1 (GND)

B - W-B

Power window motor down output

Ignition switch ON, door glass fully open

11 to 14 V

H2-10 (UP) - H2-1 (GND)

L - W-B

Power window motor up output

Ignition switch ON, power window regulator switch off

11 to 14 V

H2-10 (UP) - H2-1 (GND)

L - W-B

Power window motor up output

Ignition switch ON, power window regulator switch up

Below 1 V

H2-10 (UP) - H2-1 (GND)

L - W-B

Power window motor up output

Ignition switch ON, door glass fully open

11 to 14 V

H2-10 (UP) - H2-1 (GND)

L - W-B

Power window motor up output

Ignition switch ON, power window auto up function operating

Below 1 V

H2-10 (UP) - H2-1 (GND)

L - W-B

Power window motor up output

Ignition switch ON, door glass fully closed

11 to 14 V

If the result is not as specified, the power window regulator motor may have a malfunction.

8. CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH


(a) Disconnect the K2 rear power window regulator motor connector.

(b) Measure the voltage and resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

K2-1 (GND) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

K2-2 (B) - Body ground

W - Body ground

Battery power supply

Always

11 to 14 V

If the result is not as specified, there may be a malfunction in the wire harness.

(c) Reconnect the K2 rear power window regulator motor connector.

(d) Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

K2-5 (LED) - K2-1 (GND)

V - W-B

LED illumination signal

Ignition switch ON

11 to 14 V

K2-5 (LED) - K2-1 (GND)

V - W-B

LED illumination signal

Approximately 43 seconds after ignition switch turned off

Below 1 V

K2-7 (DOWN) - K2-1 (GND)

B - W-B

Power window motor down input

Ignition switch ON, power window regulator switch off

11 to 14 V

K2-7 (DOWN) - K2-1 (GND)

B - W-B

Power window motor down input

Ignition switch ON, power window regulator switch down

Below 1 V

K2-7 (DOWN) - K2-1 (GND)

B - W-B

Power window motor down input

Ignition switch ON, door glass fully closed

11 to 14 V

K2-7 (DOWN) - K2-1 (GND)

B - W-B

Power window motor down input

Ignition switch ON, power window auto down function operating

Below 1 V

K2-7 (DOWN) - K2-1 (GND)

B - W-B

Power window motor down input

Ignition switch ON, door glass fully open

11 to 14 V

K2-10 (UP) - K2-1 (GND)

L - W-B

Power window motor up output

Ignition switch ON, power window regulator switch off

11 to 14 V

K2-10 (UP) - K2-1 (GND)

L - W-B

Power window motor up output

Ignition switch ON, power window regulator switch up

Below 1 V

K2-10 (UP) - K2-1 (GND)

L - W-B

Power window motor up output

Ignition switch ON, door glass fully open

11 to 14 V

K2-10 (UP) - K2-1 (GND)

L - W-B

Power window motor up output

Ignition switch ON, power window auto up function operating

Below 1 V

K2-10 (UP) - K2-1 (GND)

L - W-B

Power window motor up output

Ignition switch ON, door glass fully closed

11 to 14 V

If the result is not as specified, the rear power window regulator motor may have a malfunction.

9. CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH


(a) Disconnect the J2 rear window regulator motor connector.

(b) Measure the voltage and resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

J2-1 (GND) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

J2-2 (B) - Body ground

W - Body ground

Battery power supply

Always

11 to 14 V

If the result is not as specified, there may be a malfunction in the wire harness.

(c) Reconnect the J2 rear power window regulator motor connector.

(d) Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

J2-5 (LED) - J2-1 (GND)

V - W-B

LED illumination signal

Ignition switch ON

11 to 14 V

J2-5 (LED) - J2-1 (GND)

V - W-B

LED illumination signal

Approximately 43 seconds after ignition switch turned off

Below 1 V

J2-7 (DOWN) - J2-1 (GND)

B - W-B

Power window motor down output

Ignition switch ON, power window regulator switch off

11 to 14 V

J2-7 (DOWN) - J2-1 (GND)

B - W-B

Power window motor down output

Ignition switch ON, power window regulator switch down

Below 1 V

J2-7 (DOWN) - J2-1 (GND)

B - W-B

Power window motor down output

Ignition switch ON, door glass fully closed

11 to 14 V

J2-7 (DOWN) - J2-1 (GND)

B - W-B

Power window motor down output

Ignition switch ON, power window auto down function operating

Below 1 V

J2-7 (DOWN) - J2-1 (GND)

B - W-B

Power window motor down output

Ignition switch ON, door glass fully open

11 to 14 V

J2-10 (UP) - J2-1 (GND)

L - W-B

Power window motor up output

Ignition switch ON, power window regulator switch off

11 to 14 V

J2-10 (UP) - J2-1 (GND)

L - W-B

Power window motor up output

Ignition switch ON, power window regulator switch up

Below 1 V

J2-10 (UP) - J2-1 (GND)

L - W-B

Power window motor up output

Ignition switch ON, door glass fully open

11 to 14 V

J2-10 (UP) - J2-1 (GND)

L - W-B

Power window motor up output

Ignition switch ON, power window auto up function operating

Below 1 V

J2-10 (UP) - J2-1 (GND)

L - W-B

Power window motor up output

Ignition switch ON, door glass fully closed

11 to 14 V

If the result is not as specified, the rear power window regulator motor may have a malfunction.

10. CHECK BACK DOOR POWER WINDOW REGULATOR MOTOR ASSEMBLY


(a) Disconnect the W9 back door power window regulator motor connector.

(b) Measure the voltage and resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

W9-1 (GND) - Body ground

LG - Body ground

Ground

Always

Below 1 Ω

W9-2 (B) - Body ground

GR - Body ground

Battery power supply

Always

11 to 14 V

If the result is not as specified, there may be a malfunction in the wire harness.

(c) Reconnect the W9 back door power window regulator motor connector.

(d) Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

W9-5 (LED) - W9-1 (GND)

L - LG

LED illumination signal

Ignition switch ON

11 to 14 V

W9-5 (LED) - W9-1 (GND)

L - LG

LED illumination signal

Approximately 43 seconds after ignition switch turned off

Below 1 V

W9-7 (DOWN) - W9-1 (GND)

B - LG

Power window motor down output

Ignition switch ON, power window regulator switch off

11 to 14 V

W9-7 (DOWN) - W9-1 (GND)

B - LG

Power window motor down output

Ignition switch ON, power window regulator switch down

Below 1 V

W9-7 (DOWN) - W9-1 (GND)

B - LG

Power window motor down output

Ignition switch ON, door glass fully closed

11 to 14 V

W9-7 (DOWN) - W9-1 (GND)

B - LG

Power window motor down output

Ignition switch ON, power window auto down function operating

Below 1 V

W9-7 (DOWN) - W9-1 (GND)

B - LG

Power window motor down output

Ignition switch ON, door glass fully open

11 to 14 V

W9-10 (UP) - W9-1 (GND)

R - LG

Power window motor up output

Ignition switch ON, power window regulator switch off

11 to 14 V

W9-10 (UP) - W9-1 (GND)

R - LG

Power window motor up output

Ignition switch ON, power window regulator switch up

Below 1 V

W9-10 (UP) - W9-1 (GND)

R - LG

Power window motor up output

Ignition switch ON, door glass fully open

11 to 14 V

W9-10 (UP) - W9-1 (GND)

R - LG

Power window motor up output

Ignition switch ON, power window auto up function operating

Below 1 V

W9-10 (UP) - W9-1 (GND)

R - LG

Power window motor up output

Ignition switch ON, door glass fully closed

11 to 14 V

If the result is not as specified, the back door power window regulator motor may have a malfunction.

11. CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)


(a) Remove the main body ECU (multiplex network body ECU) (See page ).


(b) Measure the voltage and resistance according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

A-30 (BECU) - Body ground

-

Battery power supply

Always

11 to 14 V

A-31 (ALTB) - Body ground

-

Battery power supply

Always

11 to 14 V

A-32 (IG) - Body ground

-

Ignition switch power supply

Ignition switch ON

11 to 14 V

A-32 (IG) - Body ground

-

Ignition switch power supply

Ignition switch off

Below 1 V

A-29 (ACC) - Body ground

-

ACC power supply

Ignition switch ACC

11 to 14 V

A-29 (ACC) - Body ground

-

ACC power supply

Ignition switch off

Below 1 V

A-11 (GND1) - Body ground

-

Ground

Always

Below 1 Ω

F10-3 (GND2) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

If the result is not as specified, there may be a malfunction in the wire harness.

(c) Install the main body ECU (multiplex network body ECU).

(d) Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

2F-27 (FLCY) - Body ground

R - Body ground

Front door LH courtesy switch input

Front door LH open

Below 1 V

2F-27 (FLCY) - Body ground

R - Body ground

Front door LH courtesy switch input

Front door LH closed

11 to 14 V

2B-15 (FRCY) - Body ground

B - Body ground

Front door RH courtesy switch input

Front door RH open

Below 1 V

2B-15 (FRCY) - Body ground

B - Body ground

Front door RH courtesy switch input

Front door RH closed

11 to 14 V

If the result is not as specified, the main body ECU (multiplex network body ECU) or driver side junction block assembly may have a malfunction.

12. CHECK MULTIPLEX NETWORK DOOR ECU (BACK DOOR P/W)


(a) Disconnect the V2 and W10 multiplex network door ECU (back door P/W) connectors.

(b) Measure the voltage and resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

V2-1 (BDR) - Body ground

B - Body ground

Battery power supply

Always

11 to 14 V

V2-7 (BECU) - Body ground

L - Body ground

Battery power supply

Always

11 to 14 V

V2-8 (SIG) - Body ground

G - Body ground

Ignition switch power supply

Ignition switch ON

11 to 14 V

V2-8 (SIG) - Body ground

G - Body ground

Ignition switch power supply

Ignition switch off

Below 1 V

V2-6 (GND) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

If the result is not as specified, there may be a malfunction in the wire harness.

(c) Reconnect the V2 and W10 multiplex network door ECU (back door P/W) connectors.

(d) Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

W10-16 (BKL) - W10-8 (KEYE)*1

P - V

Tail gate control switch lock input

Back door lock key cylinder in neutral position

Pulse generation (See waveform 1 or 2)

W10-16 (BKL) - W10-8 (KEYE)*1

P - V

Tail gate control switch lock input

Back door lock key cylinder in lock position

Below 1 V

W10-15 (BKUL) - W10-8 (KEYE)*1

R - V

Tail gate control switch unlock input

Back door lock key cylinder in neutral position

Pulse generation (See waveform 1 or 2)

W10-15 (BKUL) - W10-8 (KEYE)*1

R - V

Tail gate control switch unlock input

Back door lock key cylinder in unlock position

Below 1 V

V2-22 (BUP) - V2-6 (GND)

P -W-B

Back door power window up input

Ignition switch ON, back door power window switch off

Pulse generation (See waveform 3 or 4)

V2-22 (BUP) - V2-6 (GND)

P - W-B

Back door power window up input

Ignition switch ON, back door power window switch up

Below 1 V

V2-23 (BDN) - V2-6 (GND)

R - W-B

Back door power window up input

Ignition switch ON, back door power window switch off

Pulse generation (See waveform 3 or 4)

V2-23 (BDN) - V2-6 (GND)

R - W-B

Back door power window up input

Ignition switch ON, back door power window switch down

Below 1 V

W10-24 (HSW+) - W10-7 (HSW-)

GR - LG

Back door opener switch input

Back door opener switch off

Pulse generation (See waveform 5 or 6)

W10-24 (HSW+) - W10-7 (HSW-)

GR - LG

Back door opener switch input

Back door opener switch on

Below 1 V

W10-17 (SUP) - W10-21 (E3)*2

W - B

Back door control switch input

Lock switch off

Pulse generation (See waveform 7 or 8)

W10-17 (SUP) - W10-21 (E3)*2

W - B

Back door control switch input

Lock switch on

Below 1 V

W10-9 (SDN) - W10-21 (E3)*2

SB - B

Back door control switch input

Unlock switch off

Pulse generation (See waveform 7 or 8)

W10-9 (SDN) - W10-21 (E3)*2

SB - B

Back door control switch input

Unlock switch on

Below 1 V

V2-21 (AUTO) - V2-6 (GND)

B - W-B

Back door power window auto up or auto down input

Ignition switch ON, back door power window switch off

Pulse generation (See waveform 9 or 10)

V2-21 (AUTO) - V2-6 (GND)

B - W-B

Back door power window auto up or auto down input

Ignition switch ON, back door power window switch auto up or auto down

Below 1 V

V2-3 (W) - V2-12 (SGND)

R - G

Rear wiper reverse position switch input

Ignition switch ON and rear wiper switch on or rear wiper reverse switch off

Pulse generation (See waveform 11)

V2-3 (W) - V2-12 (SGND)

R - G

Rear wiper reverse position switch input

Ignition switch ON and rear wiper switch on or rear wiper reverse switch on

Pulse generation (See waveform 12)

V2-4 (P) - V2-12 (SGND)

V - G

Rear wiper retractable position switch input

Ignition switch ON and rear wiper switch on or rear wiper retractable position switch off

Pulse generation (See waveform 13)

V2-4 (P) - V2-12 (SGND)

V - G

Rear wiper retractable position switch input

Ignition switch ON and rear wiper switch on or rear wiper retractable position switch on

Pulse generation (See waveform 14)

W10-14 (BUP2) - W10-1 (E4)

R - LG

Back door power window regulator motor up output

Ignition switch ON, back door power window regulator switch up

Pulse generation (See waveform 15)

W10-13 (BDN2) - W10-1 (E4)

B - LG

Back door power window regulator motor down output

Ignition switch ON, back door power window regulator switch down

Pulse generation (See waveform 16)

W10-12 (AUT2) - W10-1 (E4)

W - LG

Back door power window regulator motor auto up or auto down output

Ignition switch ON, back door power window auto up or auto down function operating

Pulse generation (See waveform 17)

  • *1: w/o Smart Key System
  • *2: w/ Smart Key System

If the result is not as specified, the multiplex network door ECU (back door P/W) may have a malfunction.

(e) Using an oscilloscope, check waveform 1.

Waveform 1 (Reference)

Item

Content

Terminal No. (Symbol)

  • W10-16 (BKL) - W10-8 (KEYE)
  • W10-15 (BKUL) - W10-8 (KEYE)

Tool Setting

5 V/DIV., 10 ms/DIV.

Condition

Back door lock key cylinder in neutral position

(f) Using an oscilloscope, check waveform 2.

Waveform 2 (Reference)

Item

Content

Terminal No. (Symbol)

  • W10-16 (BKL) - W10-8 (KEYE)
  • W10-15 (BKUL) - W10-8 (KEYE)

Tool Setting

5 V/DIV., 10 ms/DIV.

Condition

Back door lock key cylinder in neutral position

(g) Using an oscilloscope, check waveform 3.

Waveform 3 (Reference)

Item

Content

Terminal No. (Symbol)

  • V2-22 (BUP) - V2-6 (GND)
  • V2-23 (BDN) - V2-6 (GND)

Tool Setting

5 V/DIV., 10 ms/DIV.

Condition

Ignition switch ON, back door power window switch off

(h) Using an oscilloscope, check waveform 4.

Waveform 4 (Reference)

Item

Content

Terminal No. (Symbol)

  • V2-22 (BUP) - V2-6 (GND)
  • V2-23 (BDN) - V2-6 (GND)

Tool Setting

5 V/DIV., 10 ms/DIV.

Condition

Ignition switch ON, back door power window switch off

(i) Using an oscilloscope, check waveform 5.

Waveform 5 (Reference)

Item

Content

Terminal No. (Symbol)

W10-24 (HSW+) - W10-7 (HSW-)

Tool Setting

5 V/DIV., 10 ms/DIV.

Condition

Back door opener switch off

(j) Using an oscilloscope, check waveform 6.

Waveform 6 (Reference)

Item

Content

Terminal No. (Symbol)

W10-24 (HSW+) - W10-7 (HSW-)

Tool Setting

5 V/DIV., 10 ms/DIV.

Condition

Back door opener switch off

(k) Using an oscilloscope, check waveform 7.

Waveform 7 (Reference)

Item

Content

Terminal No. (Symbol)

  • W10-17 (SUP) - W10-21 (E3)
  • W10-9 (SDN) - W10-21 (E3)

Tool Setting

5 V/DIV., 10 ms/DIV.

Condition

Back door control switch off

(l) Using an oscilloscope, check waveform 8.

Waveform 8 (Reference)

Item

Content

Terminal No. (Symbol)

  • W10-17 (SUP) - W10-21 (E3)
  • W10-9 (SDN) - W10-21 (E3)

Tool Setting

5 V/DIV., 10 ms/DIV.

Condition

Back door control switch off

(m) Using an oscilloscope, check waveform 9.

Waveform 9 (Reference)

Item

Content

Terminal No. (Symbol)

V2-21 (AUTO) - V2-6 (GND)

Tool Setting

5 V/DIV., 10 ms/DIV.

Condition

Ignition switch ON, back door power window switch off

(n) Using an oscilloscope, check waveform 10.

Waveform 10 (Reference)

Item

Content

Terminal No. (Symbol)

V2-21 (AUTO) -V2-6 (GND)

Tool Setting

5 V/DIV., 10 ms/DIV.

Condition

Ignition switch ON, back door power window switch off

(o) Using an oscilloscope, check waveform 11.

Waveform 11 (Reference)

Item

Content

Terminal No. (Symbol)

V2-3 (W) - V2-12 (SGND)

Tool Setting

5 V/DIV., 10 ms/DIV.

Condition

Ignition switch ON and rear wiper switch on or rear wiper reverse switch off

(p) Using an oscilloscope, check waveform 12.

Waveform 12 (Reference)

Item

Content

Terminal No. (Symbol)

V2-3 (W) - V2-12 (SGND)

Tool Setting

5 V/DIV., 10 ms/DIV.

Condition

Ignition switch ON and rear wiper switch on or rear wiper reverse switch on

(q) Using an oscilloscope, check waveform 13.

Waveform 13 (Reference)

Item

Content

Terminal No. (Symbol)

V2-4 (P) - V2-12 (SGND)

Tool Setting

5 V/DIV., 10 ms/DIV.

Condition

Ignition switch ON and rear wiper switch on or rear wiper retractable position switch off

(r) Using an oscilloscope, check waveform 14.

Waveform 14 (Reference)

Item

Content

Terminal No. (Symbol)

V2-4 (P) - V2-12 (SGND)

Tool Setting

5 V/DIV., 10 ms/DIV.

Condition

Ignition switch ON and rear wiper switch on or rear wiper retractable position switch on

(s) Using an oscilloscope, check waveform 15.

Waveform 15 (Reference)

Item

Content

Terminal No. (Symbol)

W10-14 (BUP2) - W10-1 (E4)

Tool Setting

2 V/DIV., 100 ms/DIV.

Condition

Ignition switch ON, back door power window regulator switch up

(t) Using an oscilloscope, check waveform 16.

Waveform 16 (Reference)

Item

Content

Terminal No. (Symbol)

W10-13 (BDN2) - W10-1 (E4)

Tool Setting

2 V/DIV., 100 ms/DIV.

Condition

Ignition switch ON, back door power window regulator switch down

(u) Using an oscilloscope, check waveform 17.

Waveform 17 (Reference)

Item

Content

Terminal No. (Symbol)

W10-12 (AUT2) - W10-1 (E4)

Tool Setting

2 V/DIV., 100 ms/DIV.

Condition

Ignition switch ON, back door power window auto up or auto down function operating

Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are lis ...

Dtc Check / Clear
DTC CHECK / CLEAR 1. CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / (desired sy ...

Other materials about Toyota 4Runner:

Installation
INSTALLATION PROCEDURE 1. INSTALL REAR FLOOR SIDE AIRBAG SENSOR (a) Turn the ignition switch off. (b) Disconnect the cable from the negative (-) battery terminal. CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) bat ...

Front Door Speaker
Components COMPONENTS ILLUSTRATION Removal REMOVAL CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH and LH sides. The procedure listed below is for the LH side. PROCEDURE 1. REMOVE FRONT DOOR LOWER FRAME BRACKET ...

© 2016-2020 | www.to4runner.net

0.0063