TERMINALS OF ECU
1. CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND DRIVER SIDE JUNCTION BLOCK ASSEMBLY
(a) Remove the main body ECU (multiplex network body ECU) from the driver side junction block assembly (See page ).
(b) Measure the resistance and voltage according to the value(s) in the table below.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F10-3 (GND2) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
A-11 (GND1) - Body ground |
None - Body ground |
Ground |
Always |
Below 1 Ω |
A-30 (BECU) - Body ground |
None - Body ground |
Battery power supply |
Always |
11 to 14 V |
A-32 (IG) - Body ground |
None - Body ground |
IG power supply |
Ignition switch ON |
11 to 14 V |
If the result is not as specified, there may be a malfunction on the wire harness side.
2. CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY
(a) Disconnect the h1 multiplex network master switch assembly connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
h1-12 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
h1-11 (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 on the wire harness side.
3. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH
(a) Disconnect the I2 front power window regulator motor assembly LH connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
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 on the wire harness side.
4. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH
(a) Disconnect the H2 front power window regulator motor assembly RH connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
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 on the wire harness side.
5. CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH
(a) Disconnect the K2 rear power window regulator motor assembly LH connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
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 on the wire harness side.
6. CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH
(a) Disconnect the J2 rear power window regulator motor assembly RH connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
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 on the wire harness side.
7. CHECK SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) (w/ Sliding Roof System)
(a) Disconnect the S10 sliding roof ECU (sliding roof drive gear sub-assembly) connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
S10-12 (E) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
S10-8 (B) - Body ground |
W - Body ground |
Battery power supply |
Always |
11 to 14 V |
S10-1 (IG) - Body ground |
L - Body ground |
IG power supply |
Ignition switch ON |
11 to 14 V |
If the result is not as specified, there may be a malfunction on the wire harness side.
8. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (w/ Smart Key System)
(a) Disconnect the F79 certification ECU (smart key ECU assembly) connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F79-15 (E) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
F79-1 (+B) - Body ground |
V - Body ground |
Battery power supply |
Always |
11 to 14 V |
F79-16 (IG) - Body ground |
W - Body ground |
IG power supply |
Ignition switch ON |
11 to 14 V |
If the result is not as specified, there may be a malfunction on the wire harness side.
9. CHECK POWER MANAGEMENT CONTROL ECU (w/ Smart Key System)
(a) Disconnect the F80 power management control ECU connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F80-6 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
F80-5 (GND2) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
F80-1 (AM22) - Body ground |
B - Body ground |
Battery power supply |
Always |
11 to 14 V |
F80-2 (AM21) - Body ground |
B - Body ground |
Battery power supply |
Always |
11 to 14 V |
10. CHECK ID CODE BOX (IMMOBILIZER CODE ECU) (w/ Smart Key System)
(a) Disconnect the F72 ID code box (immobilizer code ECU) connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F72-8 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
F72-1 (+B) - Body ground |
V - Body ground |
Battery power supply |
Always |
11 to 14 V |
If the result is not as specified, there may be a malfunction on the wire harness side.
11. CHECK STEERING LOCK ECU (STEERING LOCK ACTUATOR ASSEMBLY) (w/ Smart Key System)
(a) Disconnect the F68 steering lock ECU (steering lock actuator assembly) connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F68-1 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
F68-6 (IG2) - Body ground |
W - Body ground |
IG power supply |
Ignition switch ON |
11 to 14 V |
F68-7 (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 on the wire harness side.
12. CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY
(a) Disconnect the F42 air conditioning amplifier assembly connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F42-14 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
F42-1 (IG+) - Body ground |
L - Body ground |
IG power supply |
Ignition switch ON |
11 to 14 V |
F42-21 (B) - Body ground |
V - Body ground |
Battery power supply |
Always |
11 to 14 V |
If the result is not as specified, there may be a malfunction on the wire harness side.
13. CHECK HEATER CONTROL ASSEMBLY
(a) Disconnect the F29 heater control assembly connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F29-11 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
F29-4 (IG+) - Body ground |
L - Body ground |
IG power supply |
Ignition switch ON |
11 to 14 V |
If the result is not as specified, there may be a malfunction on the wire harness side.
14. CHECK MULTIPLEX NETWORK DOOR ECU (BACK DOOR P/W)
(a) Disconnect the V2 multiplex network door ECU (back door P/W) connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
V2-6 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
V2-7 (BECU) - Body ground |
L - Body ground |
Battery power supply |
Always |
11 to 14 V |
V2-8 (SIG) - Body ground |
G - Body ground |
IG power supply |
Ignition switch ON |
11 to 14 V |
If the result is not as specified, there may be a malfunction on the wire harness side.
15. CHECK BACK DOOR POWER WINDOW REGULATOR SUB-ASSEMBLY
(a) Disconnect the W9 back door power window regulator sub-assembly connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
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 on the wire harness side.
16. CHECK COMBINATION METER ASSEMBLY
(a) Disconnect the F14 combination meter assembly connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F14-20 (E1) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
F14-15 (B) - Body ground |
L - Body ground |
Battery power supply |
Always |
11 to 14 V |
F14-17 (IG+) - Body ground |
R - Body ground |
IG power supply |
Ignition switch ON |
11 to 14 V |
If the result is not as specified, there may be a malfunction on the wire harness side.
17. CHECK DRIVE MONITOR SWITCH (w/ CRAWL Control)
(a) Disconnect the U1 drive monitor switch connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
U1-7 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
U1-6 (+B) - Body ground |
L - Body ground |
Battery power supply |
Always |
11 to 14 V |
U1-12 (IG) - Body ground |
G - Body ground |
IG power supply |
Ignition switch ON |
11 to 14 V |
If the result is not as specified, there may be a malfunction on the wire harness side.
Customize Parameters
CUSTOMIZE PARAMETERS
1. CUSTOMIZING FUNCTION WITH THE TECHSTREAM
HINT:
The following items can be customized.
NOTICE:
When the customer requests a change in a function, first make sure that
the function can be customized.
Record the curren ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT BRAKE FLUID LEVEL IN RESERVOIR
(a) Check the fluid level and add fluid if necessary.
Brake Fluid:
SAE J1703 or FMVSS No. 116 DOT3
HINT:
Add fluid to the reservoir MAX line.
...