Toyota Camry (XV70): Sliding Roof does not Move by Operating Sliding Roof Control Switch

DESCRIPTION

The sliding roof ECU (sliding roof drive gear sub-assembly) receives slide and tilt signals and operates its built-in motor when the sliding roof switch (roof console box sub-assembly) is operated.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

• Inspect the fuses for circuits related to this system before performing the following procedure.
• If the sliding roof ECU (sliding roof drive gear sub-assembly) is removed and reinstalled or replaced, the sliding roof ECU (sliding roof drive gear sub-assembly) must be initialized.

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• If a sliding roof ECU (sliding roof drive gear sub-assembly) DTC is output, first perform troubleshooting for the sliding roof ECU (sliding roof drive gear sub-assembly) DTC.

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PROCEDURE

1.	PERFORM ACTIVE TEST USING TECHSTREAM (SLIDE ROOF)

(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 / Slide Roof / Active Test.

(e) Perform the Active Test according to the display on the Techstream.

Body Electrical > Sliding Roof > Active Test

Tester Display	Measurement Item	Control Range	Diagnostic Note
Slide Roof	Operate sliding roof motor	OFF / Opn/Dwn / Clos/Up	-

Body Electrical > Sliding Roof > Active Test

Tester Display
Slide Roof

OK:

Slide roof is operated using Techstream.

NG

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

OK

2.	READ VALUE USING TECHSTREAM

(a) Enter the following menus: Body Electrical / Sliding Roof / Data List.

(b) Read the Data List according to the display on the Techstream.

Body Electrical > Sliding Roof > Data List

Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
Open Switch	OPEN switch signal	OFF or ON	OFF: OPEN switch not pressed ON: OPEN switch pressed	-
Close Switch	CLOSE switch signal	OFF or ON	OFF: CLOSE switch not pressed ON: CLOSE switch pressed	-
Up Switch	UP switch signal	OFF or ON	OFF: UP switch not pressed ON: UP switch pressed	-
Down Switch	DOWN switch signal	OFF or ON	OFF: DOWN switch not pressed ON: DOWN switch pressed	-

Body Electrical > Sliding Roof > Data List

Tester Display
Open Switch
Close Switch
Up Switch
Down Switch

OK:

The Techstream display changes according to the operation of each switch as shown in the table.

OK

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

NG

3.	INSPECT SLIDING ROOF SWITCH (ROOF CONSOLE BOX SUB-ASSEMBLY)

(a) Remove the sliding roof switch (roof console box sub-assembly).

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(b) Inspect the sliding roof switch (roof console box sub-assembly).

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NG

REPLACE SLIDING ROOF SWITCH (ROOF CONSOLE BOX SUB-ASSEMBLY)

OK

4.	CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) - IG POWER SUPPLY AND BODY GROUND)

(a) Disconnect the V2 sliding roof ECU (sliding roof drive gear sub-assembly) connector.

*a Front view of wire harness connector (to Sliding Roof ECU (Sliding Roof Drive Gear Sub-assembly))

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

Standard Voltage:

Tester Connection	Condition	Specified Condition
V2-6 (IG) - Body ground	Ignition switch ON	11 to 14 V
V2-6 (IG) - Body ground	Ignition switch off	Below 1 V

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
V2-2 (E) - Body ground	Always	Below 1 Ω

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

5.	CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) - SLIDING ROOF SWITCH (ROOF CONSOLE BOX SUB-ASSEMBLY) AND BODY GROUND)

(a) Disconnect the V14 sliding roof switch (roof console box sub-assembly) connector.

(b) Disconnect the V2 sliding roof ECU (sliding roof drive gear sub-assembly) connector.

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
V2-8 (CLS) - V14-4 (CLS)	Always	Below 1 Ω
V2-8 (CLS) or V14-4 (CLS) - Body ground	Always	10 kΩ or higher
V2-10 (OPN) - V14-5 (OPN)	Always	Below 1 Ω
V2-10 (OPN) or V14-5 (OPN) - Body ground	Always	10 kΩ or higher
V2-9 (CLS) - V14-18 (DOWN)	Always	Below 1 Ω
V2-9 (CLS) or V14-18 (DOWN) - Body ground	Always	10 kΩ or higher
V2-5 (OPN) - V14-3 (UP)	Always	Below 1 Ω
V2-5 (OPN) or V14-3 (UP) - Body ground	Always	10 kΩ or higher
V14-15 (GND) - Body ground	Always	Below 1 Ω
V2-2 (E) - Body ground	Always	Below 1 Ω

OK

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

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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