Only Rear Switch Cannot Operate Rear Sunshade: Procedure

1. Check for DTCs. Refer to DTC CHECK / CLEAR .
   RESULT
   
   

   Result	Proceed to
   No DTC is output	A
   DTC U0210 is output	B

B → See step   7 

A: Go to next step 

1. Check the seat type.
   RESULT
   
   

   Result	Proceed to
   for Power Seat	A
   for Fixed Seat Type	A
   for Ottoman	B

B → See step   6 

A: Go to next step 

1. Use the Data List to check if the rear sunshade switch is functioning properly.
   REAR CONSOLE SWITCH
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Rear Shade Switch	Rear sunshade switch / ON or OFF	ON: Rear sunshade switch is pressed OFF: Rear sunshade switch is not pressed	-

   OK

   Rear sunshade raises or lowers.

NG → See step   4 

OK → See step   8 

1. Disconnect the r3 curtain switch connector.
   Fig 1: Identifying R1 Power Seat Module Switch Connector Terminals And R3 Curtain Switch Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the r1 power seat module switch connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   r3-8 (SW1) - r1-20 (SW1)	Always	Below 1 Ω
   r3-15 (GND) - r1-5 (GND)	Always	Below 1 Ω
   r3-8 (SW1) - Body ground	Always	10 kΩ or higher
   r3-15 (GND) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Temporarily replace the curtain switch with a new or normally functioning one. Refer to REMOVAL .
2. Check that the rear sunshade can be raised and lowered by using the curtain switch.

   OK

   Rear sunshade can be raised and lowered with curtain switch

   RESULT
   
   

   Result	Proceed to
   OK	A
   NG (for Fixed Seat Type)	B
   NG (for Power Seat)	C

C → See step   10 

B → See step   9 

A → END (CURTAIN SWITCH IS DEFECTIVE) 

1. Use the Data List to check if the rear sunshade switch is functioning properly.
   REAR CONSOLE SWITCH
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Rear Shade Switch	Rear sunshade switch / ON or OFF	ON: Rear sunshade switch is pressed OFF: Rear sunshade switch is not pressed	-

   OK

   Rear sunshade raises or lowers.

NG → See step   11 

OK → See step   12