Sliding Roof does not Move by Operating Sliding Roof Control Switch: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Sliding Roof / Data List.
5. Read the Data List according to the display on the Techstream.
   SLIDING ROOF
   
   

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

   OK

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

NG → See step   3 

OK: Go to next step 

1. Disconnect the N4 sliding roof ECU (sliding roof drive gear assembly) connector.
2. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   N4-8 (B) - Body ground	Always	11 to 14 V
   N4-1 (IG) - Body ground	Engine switch on (IG)	11 to 14 V

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   N4-12 (E) - Body ground	Always	Below 1 Ω

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   5 

1. Remove the sliding roof switch (roof console box assembly). Refer to REMOVAL .
   Fig 1: Measuring Resistance Of Sliding Roof Switch (Roof Console Box Assembly) Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   5 (UP) - 1 (GND)	UP switch is pressed	Below 1 Ω
   5 (UP) - 1 (GND)	UP switch is not pressed	10 kΩ or higher
   4 (DOWN) - 1 (GND)	DOWN switch is pressed	Below 1 Ω
   4 (DOWN) - 1 (GND)	DOWN switch is not pressed	10 kΩ or higher
   3 (OPN) - 1 (GND)	OPEN switch is pressed	Below 1 Ω
   3 (OPN) - 1 (GND)	OPEN switch is not pressed	10 kΩ or higher
   2 (CLS) - 1 (GND)	CLOSE switch is pressed	Below 1 Ω
   2 (CLS) - 1 (GND)	CLOSE switch is not pressed	10 kΩ or higher

   TEXT IN ILLUSTRATION
   
   

   *a	Component without harness connected (Sliding Roof Switch - Roof Console Box Assembly)

NG → See step   6 

OK: Go to next step 

1. Disconnect the N6 sliding roof switch (roof console box assembly) connector.
2. Disconnect the N4 sliding roof ECU (sliding roof drive gear assembly) connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   N4-5 (CLS) - N6-2 (CLS)	Always	Below 1 Ω
   N4-5 (CLS) - Body ground	Always	10 kΩ or higher
   N4-7 (OPN) - N6-3 (OPN)	Always	Below 1 Ω
   N4-7 (OPN) - Body ground	Always	10 kΩ or higher
   N4-6 (DWN) - N6-4 (DOWN)	Always	Below 1 Ω
   N4-6 (DWN) - Body ground	Always	10 kΩ or higher
   N4-4 (UP) - N6-5 (UP)	Always	Below 1 Ω
   N4-4 (UP) - Body ground	Always	10 kΩ or higher
   N6-1 (GND) - Body ground	Always	Below 1 Ω
   N4-12 (E) - Body ground	Always	Below 1 Ω

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   5