Inspection Procedure

1. Check if the manual UP / DOWN function operates normally.

   OK : Manual UP / DOWN function operates normally. 

NG : OTHER PROBLEM 

OK : GO TO NEXT STEP 

1. Turn the power switch ON (IG).
2. Operate the master switch assembly's driver side 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

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   Fig 2: Identifying Blinking Pattern Of AUTO Light

   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 POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY 

A : GO TO NEXT STEP 

1. Check if the power window operates normally after the reset.

   OK : Power window operates normally. 

OK : END 

NG : GO TO NEXT STEP 

1. Disconnect the P17 switch connector.
2. Disconnect the P18 motor connector.
3. Measure the resistance of the wire harness side connectors.

   Standard resistance 

   TERMINALS RESISTANCE SPECIFICATION
   
   

   Tester Connection	Specified Condition
   P17-3 (VCC) - P18-4 (SSRB)	Below 1 Ω
   P17-14 (PLS) - P18-5 (PLS)	Below 1 Ω
   P17-17 (PLS2) - P18-3 (PLS2)	Below 1 Ω
   P17-2 (GND) - P18-6 (E)	Below 1 Ω
   P17-3 (VCC) or P18-4 (SSRB) - Body ground	10 kΩ or higher
   P17-14 (PLS) or P18-5 (PLS) - Body ground	10 kΩ or higher
   P17-17 (PLS2) or P18-3 (PLS2) - Body ground	10 kΩ or higher

   Fig 3: Identifying Power Window Regulator Master Switch Connectors

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG : REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK : REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY FRONT LH