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 engine switch on (IG).
2. Operate the switch for 2 seconds or more.
3. Check the blinking pattern of the AUTO light. Compare the blinking pattern with the illustration below.

Fig 1: Identifying AUTO Light Switch

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Fig 2: Identifying Blinking Pattern

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Result: 

B:  Go to step  4

C: REPLACE MULTIPLEX NETWORK SWITCH ASSEMBLY (REAR LH) 

A: Go to next step 

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

   OK: 

   Power window operates normally. 

NG: Go to step 4 

OK: END 

1. Disconnect the S5 switch connector.
2. Disconnect the O9 power window motor connector.
3. Measure the resistance of the wire harness side connectors.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Specified Condition
   S5-8 (VCC) - O9-4 (SSRB)	Below 1 Ω
   S5-2 (PLS1) - O9-3 (PLS)	Below 1 Ω
   S5-3 (PLS2) - O9-5 (PLS2)	Below 1 Ω
   S5-5 (SGND) - O9-6 (E)	Below 1 Ω
   S5-8 (VCC) or O9-4 (SSRB) - Body ground	10 kΩ or higher
   S5-2 (PLS1) or O9-3 (PLS) - Body ground	10 kΩ or higher
   S5-3 (PLS2) or O9-5 (PLS2) - Body ground	10 kΩ or higher
   S5-5 (SGND) or O9-6 (E) - Body ground	10 kΩ or higher

Fig 3: Checking Wire Harness (Switch Assembly (Rear LH) - Rear Motor Assembly LH)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK: REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH