Inspection Procedure
WARNING: This page is about a different car, the 2007 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY
- Check that the driver door window glass moves up automatically.
HINT:
In this inspection, whether or not the power window regulator master switch functions normally can be diagnosed.
NG: REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY
OK: GO TO NEXT STEP
- Check that the driver door window glass moves up automatically.
- CHECK WIRE HARNESS (POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY - MULTIPLEX NETWORK BODY ECU) Fig 1: Checking Wire Harness (Power Window Regulator Master Switch Assembly - Multiplex Network Body ECU)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- Pull out the ECU connectors mentioned in ECU CONNECTOR TERMINAL TABLE .
- Check the continuity of the wire harness between the connectors.POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY - MULTIPLEX NETWORK BODY ECU
Wire harness side connector of ECU Terminal Power window regulator master switch assembly - Multiplex network body ECU P12-7 (MPX1) - B7-24 (MPX1) OK: There is continuity between the connectors.
HINT:
If there is an open in any wire harness, repair it.
NG: REPAIR OR REPLACE HARNESS AND CONNECTOR
OK: REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY