Diesel Data: Automotive Repair

Power Window Does Not Operate Using Master Switch








WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL SYSTEM (for Convertible): Power Window does not Operate Using Master Switch

Power Window does not Operate Using Master Switch

DESCRIPTION

If all of the door windows do not operate, the power window regulator master switch may not have power or may be malfunctioning.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT FUSE (POWER, ECU-IG, P/W NO. 2, AM1)
(a) Remove the POWER fuse, ECU-IG, P/W No. 2 and AM1 fuses from the instrument panel J/B.
(b) Measure the resistance of the fuses.
Standard resistance:
Below 1 Ohms
NG -- REPLACE FUSE
OK -- Continue to next step.
2. INSPECT RELAY (MARKING: IG1, PWR)





(a) Remove the IG1 and PWR relays from the instrument panel J/B.
(b) Measure the resistance of the relays.
Standard resistance:





NG -- REPLACE RELAY
OK -- Continue to next step.
3. CHECK HARNESS AND CONNECTOR (FOR POWER SOURCE OF INSTRUMENT PANEL J/B)





(a) Disconnect the 2A, 2F and 2G J/B connectors.
(b) Measure the voltage and resistance of the wire harness side connectors.
Standard:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
4. CHECK HARNESS AND CONNECTOR (POWER WINDOW MASTER SWITCH - BATTERY AND BODY GROUND)





(a) Disconnect the D8 master switch connector.
(b) Measure the voltage and resistance of the wire harness side connector.
Standard:





NG -- CHECK HARNESS AND CONNECTOR (POWER WINDOW MASTER SWITCH - INSTRUMENT PANEL J/B)
OK -- REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY
5. CHECK HARNESS AND CONNECTOR (POWER WINDOW MASTER SWITCH - INSTRUMENT PANEL J/B)





(a) Disconnect the D8 master switch connector.
(b) Disconnect the 2F and 2K J/B connectors.
(c) Measure the resistance of the wire harness side connectors.
Standard resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE INSTRUMENT PANEL J/B