Inspection Procedure

1. Check that the manual UP / DOWN functions operate normally.

   OK: 

   Manual UP / DOWN functions operate normally. 

NG: OTHER PROBLEM 

OK: GO TO Next Step 

1. Turn the power switch ON (IG).
2. Operate the switch for 2 seconds or more.
   Fig 1: Checking Light Of Multiplex Network Switch Assembly (AUTO Light) (For Rear RH)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Check the blinking pattern of the AUTO light. Compare the blinking pattern with the illustration below.
   Fig 2: AUTO Light Blinking Pattern Chart

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Result 

   RESULT REFERENCE
   
   

   Blinking Pattern	Proceed to
   1 or 3	A
   2	B
   4	C

B:  GO TO step  4

C: REPLACE MULTIPLEX NETWORK SWITCH ASSEMBLY (for Rear RH) 

A: GO TO Next Step 

1. Check that the power window operates normally after it is reset.

   OK: 

   Power window operates normally. 

OK: END 

NG: GO TO Next Step 

1. Disconnect the S1 switch connector.
2. Disconnect the O4 power window motor connector.
3. Measure the resistance of the wire harness side connectors.

   Standard resistance 

   TESTER CONNECTION AND SPECIFIED CONDITION
   
   

   Tester Connection	Specified Condition
   S1-8 (VCC) - O4-4 (SSRB)	Below 1 Ω
   S1-2 (PLS1) - O4-3 (PLS)	Below 1 Ω
   S1-3 (PLS2) - O4-5(PLS2)	Below 1 Ω
   S1-5 (SGND) - O4-6(E)	Below 1 Ω
   S1-8 (VCC) or O4-4 (SSRB) - Body ground	10 kΩ or higher
   S1-2 (PLS1) or O4-3 (PLS) - Body ground	10 kΩ or higher
   S1-3 (PLS2) or O4-5 (PLS2) - Body ground	10 kΩ or higher
   S1-5 (SGND) or O4-6 (E) - Body ground	10 kΩ or higher

Fig 3: Checking Wire Harness (Power Window Switch - Power Window Motor)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH