Power Windows Do Not Operate At All

WINDSHIELD / WINDOW GLASS: POWER WINDOW CONTROL SYSTEM: Power Windows do not Operate at All
- Power Windows do not Operate at All

DESCRIPTION

If all of the power windows do not operate, the power window regulator master switch may have no power or may be malfunctioning.

WIRING DIAGRAM

INSPECTION PROCEDURE

NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1. INSPECT POWER RELAY

(a) Remove the POWER relay from the main body ECU.

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

NG -- REPLACE POWER RELAY
OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MASTER SWITCH - BATTERY AND BODY GROUND)

(a) Disconnect the H7 power window regulator master switch assembly connector.

(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Text in Illustration

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

3. INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY

(a) Inspect the power window regulator master switch assembly. Power Window Master Switch

NG -- REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY Removal

OK -- REPLACE MAIN BODY ECU