Remote Control Power Window By Master Switch
CIRCUIT DESCRIPTIONWhen the ignition switch is ON, the master switch (door ECU) send to the passenger's door ECU for multiply a remote switch signal then the passenger's door ECU drives the power window motor for the passenger seat, and the master switch (door ECU) send body ECU to the rear window regulator switch LH and RH for multiply a remote switch signal then the power window regulator switch LH drives the power window motor LH and the power window regulator switch RH drives the power window motor RH.
NOTE: Power window system has a function with a large-scale body multiplex communications. First of all, inspect the communication function depending on the "How To Proceed With Troubleshooting", and check there is no abnormality in the communication system. Then finally proceed with the troubleshooting. Also, if the power window system has a malfunction in the jam protection function, the AUTO operations are prohibited. Because of this, confirm the diagnosis code is normal before the troubleshooting.
Wiring Diagram:
Step 1:
Step 2 - 3:
Step 4:
INSPECTION PROCEDURE