FixVault

Power Window Control System

This system uses the multiplex communication system, so check diagnosis system of the multiplex communication system before you proceed with troubleshooting.

SYMPTOM

Symptom Suspect Area See
All the power windows do not operate.
(Power Door Lock System is normal.)
  1. PWS terminal circuit
  2. Power Window Master Switch
  3. Wire Harness
  4. Driver Door ECU
  5. Body No. 1 ECU
PWS CIRCUIT
INSPECTION
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HOW TO PROCEED WITH TROUBLESHOOTING
HOW TO PROCEED WITH TROUBLESHOOTING
Only the driver's window does not operate.
  1. Power Window Master Switch
  2. Power Window Switch
  3. Power Window Motor
  4. Wire Harness
INSPECTION
INSPECTION
INSPECTION
-
"Window lock function" does not operate.
  1. Power Window Master Switch
INSPECTION
Window does not operate with power window master switch.
(Manual or Automatic operation can be performed.)
TROUBLESHOOTING NO. 1 INSPECTION
Remote control of all windows (Except driver's) does not functions with master switch. )
(Windows operate normally with each of master switch.)
TROUBLESHOOTING NO. 2 INSPECTION
The Key related power window operations does not operate with driver side door key cylinder.
(Master switch operation is normal.)
TROUBLESHOOTING NO. 3 INSPECTION
Power window does not operate with multi-function transmitter.
(Windows operate normally with master switch.)
TROUBLESHOOTING NO. 4 INSPECTION
Window moves down without being ordered during the up operation. TROUBLESHOOTING NO. 5 INSPECTION