Toyota 4Runner manuals

Toyota 4Runner: Sliding Roof Control Switch Circuit

DESCRIPTION

The sliding roof drive gear sub-assembly (sliding roof ECU) receives sliding roof switch signals and drives its built-in motor.

WIRING DIAGRAM


CAUTION / NOTICE / HINT

NOTICE:

When the sliding roof drive gear sub-assembly (sliding roof ECU) is removed and reinstalled or replaced, the sliding roof drive gear sub-assembly (sliding roof ECU) must be initialized (See page ).


PROCEDURE

1.

PERFORM ACTIVE TEST USING TECHSTREAM (SLIDING ROOF)

(a) Select the Active Test, use the Techstream to generate a control command, and then check that the sliding roof slides open/closed and tilts up/down (See page ).


Sliding Roof

Tester Display

Test Part

Control Range

Diagnostic Note

Slide Roof

Operate sliding roof

Opn/Dwn: Sliding roof slide open or tilt down operation occurs

Clos/Up: Sliding roof slide close or tilt up operation occurs

OFF: Sliding roof not operating

-

OK:

The sliding roof operates normally.


NG

REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU)


OK

2.

READ VALUE USING TECHSTREAM (SLIDING ROOF)

(a) Using the Techstream, read the Data List (See page ).


Sliding Roof

Tester Display

Measurement Item/Range

Normal Condition

Diagnostic Note

Open Switch

Slide open switch signal / ON or OFF

ON: Slide open switch pressed

OFF: Slide open switch not pressed

-

Close Switch

Slide close switch signal / ON or OFF

ON: Slide close switch pressed

OFF: Slide close switch not pressed

-

Up Switch

Tilt up switch signal / ON or OFF

ON: Tilt up switch pressed

OFF: Tilt up switch not pressed

-

Down Switch

Tilt down switch signal / ON or OFF

ON: Tilt down switch pressed

OFF: Tilt down switch not pressed

-

OK:

When operating the switch, the Techstream displays as shown in the table.


OK

REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU)


NG

3.

INSPECT MAP LIGHT ASSEMBLY (SLIDING ROOF SWITCH)


*a

Component without harness connected

(Map Light Assembly (Sliding Roof Switch))

(a) Remove the map light assembly (sliding roof switch) (See page ).


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

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

5 (UP) - 1 (GND)

Tilt up switch pressed

Below 1 Ω

5 (UP) - 1 (GND)

Tilt up switch not pressed

10 kΩ or higher

4 (DOWN) - 1 (GND)

Tilt down switch pressed

Below 1 Ω

4 (DOWN) - 1 (GND)

Tilt down switch not pressed

10 kΩ or higher

3 (OPN) - 1 (GND)

Slide open switch pressed

Below 1 Ω

3 (OPN) - 1 (GND)

Slide open switch not pressed

10 kΩ or higher

2 (CLS) - 1 (GND)

Slide close switch pressed

Below 1 Ω

2 (CLS) - 1 (GND)

Slide close switch not pressed

10 kΩ or higher


NG

REPLACE MAP LIGHT ASSEMBLY (SLIDING ROOF SWITCH)


OK

4.

CHECK HARNESS AND CONNECTOR (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU) - MAP LIGHT ASSEMBLY (SLIDING ROOF SWITCH) AND BODY GROUND)

(a) Disconnect the S10 sliding roof drive gear sub-assembly (sliding roof ECU) connector.

(b) Disconnect the U2 map light assembly (sliding roof switch) connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

S10-4 (UP) - U2-5 (UP)

Always

Below 1 Ω

S10-6 (DWN) - U2-4 (DOWN)

Always

Below 1 Ω

S10-7 (OPN) - U2-3 (OPN)

Always

Below 1 Ω

S10-5 (CLS) - U2-2 (CLS)

Always

Below 1 Ω

U2-1 (GND) - Body ground

Always

Below 1 Ω

S10-12 (E) - Body ground

Always

Below 1 Ω

S10-4 (UP) or U2-5 (UP) - Body ground

Always

10 kΩ or higher

S10-6 (DWN) or U2-4 (DOWN) - Body ground

Always

10 kΩ or higher

S10-7 (OPN) or U2-3 (OPN) - Body ground

Always

10 kΩ or higher

S10-5 (CLS) or U2-2 (CLS) - Body ground

Always

10 kΩ or higher


OK

REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU)


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

Position Initialization Incomplete (B2343)
DESCRIPTION This DTC is stored when the sliding roof drive gear sub-assembly (sliding roof ECU) has not been initialized. DTC Code DTC Detection Condition Trouble ...

Sliding Roof ECU Power Source Circuit
DESCRIPTION If the sliding function and tilt function do not operate, there may be a malfunction in the sliding roof drive gear sub-assembly power source circuit. WIRING DIAGRAM CAUTION / NOTIC ...

Other materials about Toyota 4Runner:

Steering Pad Switch Circuit
DESCRIPTION This circuit sends an operation signal from the steering pad switch assembly to the radio and display receiver assembly. If there is an open in the circuit, the radio system cannot be operated using the steering pad switch assembly. If there ...

Crawl Indicator Light does not Come ON
DESCRIPTION If any of the following conditions are met, the crawl indicator light blinks and crawl control is stopped. Crawl control is operated when the vehicle stability control system is malfunctioning, or a vehicle stability control system m ...

© 2016-2020 | www.to4runner.net

0.0059