Driver Side Power Window Auto Up / Down Function does not Operate with Power Window Master Switch: Procedure

1. Check that the power window manual UP/DOWN function operates normally.

NG → OTHER PROBLEM 

OK: Go to next step 

Fig 1: Identifying Power Window Regulator Master Switch

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Turn the ignition switch ON.
2. Operate the driver side switch on the master switch.
3. Check the blinking pattern of the AUTO light as shown in the illustration.

   Result

   Result	Proceed to
   Pattern (1) or (3) is displayed	A
   Pattern (2) is displayed	B
   Normal pattern is displayed	C

   Fig 2: Blinking Pattern Of AUTO Light

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

C → REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY (DRIVER SIDE) 

B → See step   4 

A: Go to next step 

OK → END 

NG: Go to next step 

Fig 3: Identifying P9 Master Switch And P10 Motor Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the P9 master switch connector.
2. Disconnect the P10 motor connector.
3. Measure the resistance of the wire harness side connectors.

   Standard resistance

   Tester Connection	Specified Condition
   P9-19 (VC) - P10-4 (SSRB)	Below 1 Ω
   P9-5 (PLS) - P10-5 (PLS)	Below 1 Ω
   P9-15 (PLS2) - P10-3 (PLS2)	Below 1 Ω
   P9-12 (SGND) - P10-6 (E)	Below 1 Ω
   P9-19 (VC) - Body ground	10 kΩor higher
   P9-5 (PLS) - Body ground	10 kΩor higher
   P9-15 (PLS2) - Body ground	10 kΩor higher

NG → REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK → REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (DRIVER SIDE)