Roof Sunshade does not Move by Operating Roof Sunshade Switch: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the power 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 (ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY))
   
   

   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	-

   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 z21 ECU connector.
2. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   z21-1 (B) - Body ground	Power switch off	11 to 14 V

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   z21-2 (E) - Body ground	Always	Below 1 Ω

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   5 

1. Remove the roof sunshade switch (map light assembly). Refer to REMOVAL .
   Fig 1: Checking Roof Sunshade Switch (Map Light Assembly) With Connector End View

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

   Standard Resistance

   Tester Connection	Switch Condition	Specified Condition
   8 (CLS) - 15 (GND1)	CLOSE switch is pressed	Below 1 Ω
   8 (CLS) - 15 (GND1)	CLOSE switch is not pressed	10 kΩ or higher
   9 (OPN) - 15 (GND1)	OPEN switch is pressed	Below 1 Ω
   9 (OPN) - 15 (GND1)	OPEN switch is not pressed	10 kΩ or higher

   TEXT IN ILLUSTRATION
   
   

   *a	Component without harness connected (Roof Sunshade Switch (Map Light Assembly))

NG → See step   6 

OK: Go to next step 

1. Disconnect the U3 roof sunshade switch (map light assembly) connector.
2. Disconnect the z21 roof sunshade 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
   z21-9 (CLS) - U3-8 (CLS)	Always	Below 1 Ω
   z21-9 (CLS) - Body ground	Always	10 kΩ or higher
   z21-7 (OPN) - U3-9 (OPN)	Always	Below 1 Ω
   z21-7 (OPN) - Body ground	Always	10 kΩ or higher
   U3-15 (GND1) - Body ground	Always	Below 1 Ω
   z21-2 (E) - Body ground	Always	Below 1 Ω

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   5