Auto Up/Down Function does not Operate: Wiring Diagram

1. Check that the door glass can be operated manually.

NG: OTHER PROBLEM 

OK: Go to next step. 

1. Turn the ignition switch ON.
2. Operate the AUTO (drive side) switch of the master switch.
3. Check the blinking pattern of the AUTO light as shown in Fig 3 .
   1. If pattern (1) is displayed, proceed to A.
   2. If pattern (2) or (3) is displayed, proceed to B.
   3. If the normal pattern is displayed, proceed to C.
      Fig 2: Identifying Power Window Master Switch

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 3: Blinking Pattern Of AUTO Light

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

B: Go to step   4 

D: REPLACE POWER WINDOW MASTER SWITCH 

A: Go to next step. 

See CUSTOMIZE PARAMETERS  .

OK: END 

NG: Go to next step. 

1. Disconnect the D9 master switch connector.
2. Disconnect the P40 motor connector (driver side).
3. Check the resistance between the wire harness side connectors.

   Standard resistance 

   MASTER SWITCH - MOTOR
   
   

   Terminal No.	Specified Condition
   D9-3 (VC) - P40-4 (SSRB)	Below 1 Ω
   D9-14 (PLS1) - P40-5 (PLS)
   D9-17 (PLS2) - P40-3 (PLS2)
   D9-2 (SGND) - P40-6 (E)

4. Check the resistance between the D9 master switch connector and body ground.

   Standard resistance 

   MASTER SWITCH - BODY GROUND
   
   

   Terminal No.	Specified Condition
   D9-3 (VC) - Body ground	10 kΩ or higher
   D9-14 (PLS1) - Body ground
   D9-17 (PLS2) - Body ground
   D9-2 (SGND) - Body ground

   Fig 4: Checking Wire Harness (Master Switch - Motor) (Master Switch - Body Ground)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK: REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (DRIVER SIDE)