Auto Up / Down Function Does Not Operate

WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL SYSTEM: Auto Up / Down Function does not Operate

Auto Up / Down Function does not Operate

DESCRIPTION

If the AUTO UP/DOWN function does not operate, any of the following troubles may be the cause:
- When the POWER fuse or the POWER relay is replaced with new ones, or when the battery terminal and the connector of the power window master switch are disconnected, the power window memory of the fully closed position which is recorded in the power window master switch is erased.
- The pulse sensors in the driver side power window motor have a malfunction.
- There is an open or short circuit in the wiring between the power window master switch and the driver side power window motor.
- The power window master switch has a malfunction.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK MANUAL UP/DOWN FUNCTION (DRIVER SIDE)
(a) Check that the door glass can be operated manually.

NG -- OTHER PROBLEM
OK -- Continue to next step.

2. CHECK ILLUMINATION OF POWER WINDOW MASTER SWITCH




(a) Turn the ignition switch ON.
(b) Operate the AUTO (driver side) switch of the master switch.
(c) Check the blinking pattern of the AUTO light as shown in the illustration.
(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.





C -- REPLACE POWER WINDOW MASTER SWITCH
B -- CHECK WIRE HARNESS (MASTER SWITCH - MOTOR)
A -- Continue to next step.

3. RESET POWER WINDOW REGULATOR MOTOR
(a) Turn the ignition switch ON.
(b) Open the door glass.
(c) Fully pull up the AUTO switch of the power window master switch until the door glass is fully closed.
(d) Check that the AUTO UP/DOWN function operates normally.

NG -- CHECK WIRE HARNESS (MASTER SWITCH - MOTOR)
OK -- END
4. CHECK WIRE HARNESS (MASTER SWITCH - MOTOR)




(a) Disconnect the D17 master switch connector.
(b) Disconnect the P12 motor connector (driver side).
(c) Check the resistance between the wire harness side connectors.
Standard resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (DRIVER SIDE)