Front and Rear Switch Cannot Operate Rear Sunshade [10/2014 - ]: Procedure

1. Clear the DTCs. Refer to DTC CHECK / CLEAR [10/2014 - ] .
2. Check for DTCs. Refer to DTC CHECK / CLEAR [10/2014 - ] .
   RESULT
   
   

   Result	Proceed to
   No DTC is output	A
   DTC U0141, U0210, U1114 is output	B
   DTC U1127 is output	C

B → See step   10 

C → See step   11 

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 [10/2014 - ] .
   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 → See step   4 

OK: Go to next step 

1. Use the Data List to check if the rear sunshade limit switch is functioning properly. Refer to DATA LIST / ACTIVE TEST [10/2014 - ] .
   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

   On the Techstream screen, item changes between YES and NO according to above chart.

NG → See step   8 

OK → REPLACE LUGGAGE ROOM JUNCTION BLOCK ASSEMBLY 

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.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   Standard Voltage

   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 

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. Remove the rear window shade assembly. Refer to REMOVAL [10/2014 - ] .

   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 → See step   12 

OK → REPLACE LUGGAGE ROOM JUNCTION BLOCK ASSEMBLY 

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 next step 

1. Temporarily replace the rear window shade assembly with a new or normally functioning one. Refer to REMOVAL [10/2014 - ] .
2. Check the rear sunshade system. Refer to OPERATION CHECK [10/2014 - ] .

   OK

   Rear sunshade raises and lowers.

NG → REPLACE LUGGAGE ROOM JUNCTION BLOCK ASSEMBLY 

OK → END (REAR WINDOW SHADE ASSEMBLY IS DEFECTIVE)