Front and Rear Switch Cannot Operate Rear Sunshade: Procedure

1. Refer to DTC CHECK / CLEAR to check and clear the DTCs.

B → Go to step   9 

C → Go to step   10 

A: Go to next step 

1. Select the Active Test, use the Techstream to generate a control command, and then check that the shade raises/lowers. Refer to DATA LIST / ACTIVE TEST .
   BODY NO. 4
   
   

   Tester Display	Test Part	Control Range	Diagnostic Note
   Rear Sunshade Operation	Rear Sunshade Operation	Down, No or Up	-

   OK

   Rear sunshade raises or lowers.

NG → Go to step   4 

OK: Go to next step 

1. Refer to DATA LIST / ACTIVE TEST and use the Data List to check if the rear sunshade limit switch is functioning properly.
   BODY NO. 4
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Rear Sunshade Close	Status of the rear sunshade close / YES or NO	YES: Rear sunshade limit switch is OFF (Rear sunshade is lowered) NO: Rear sunshade limit switch is ON (Rear sunshade is raised)	-

   OK

   Rear sunshade raises or lowers.

NG → Go to step   8 

OK: Go to next step 

1. Remove the RR S/SHADE fuse from luggage room junction block.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   RR S/SHADE fuse	Always	Below 1 Ω

NG → REPLACE FUSE 

OK: Go to next step 

1. Disconnect the LG junction block connector.
   Fig 1: Identifying LG Junction Block 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
   LG-1 - Body ground	Always	11 to 14 V

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

Fig 2: Identifying S25 Shade And S61 ECU Connectors

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the S25 shade connector.
2. Disconnect the S61 ECU connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   S25-2 (RSMU) - S61-4 (MU)	Always	Below 1 Ω
   S25-1 (RSMD) - S61-3 (MD)	Always	Below 1 Ω
   S25-4 (RSE) - Body ground	Always	Below 1 Ω
   S25-2 (RSMU) - Body ground	Always	10 kΩ or higher
   S25-1 (RSMD) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Refer to REMOVAL and remove the rear window shade assembly.
   Fig 3: Identifying Rear Window Shade Assembly Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Apply battery voltage and check the operation of the window shade motor.
   STANDARD
   
   

   Measurement Condition	Specified Condition
   Battery positive (+) → 1 (RSMD) Battery negative (-) → 4 (RSE)	Sunshade lowers
   Battery positive (+) → 2 (RSMU) Battery negative (-) → 4 (RSE)	Sunshade raises

NG → Go to step   11 

OK → REPLACE LUGGAGE ROOM JUNCTION BLOCK ASSEMBLY 

Fig 4: Identifying S25 Shade And S61 ECU Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the S25 shade connector.
2. Disconnect the S61 ECU connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   S25-3 (RSL) - S61-22 (LMT)	Always	Below 1 Ω
   S25-3 (RSL) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → Go to step   11