DOOR LOCK AND POWER WINDOWS — TROUBLE DIAGNOSIS — Diagnostic Procedure 2
BF-18flowchartDiagnostic Procedure 2
NOTE
SYMPTOM: Driver's side power window cannot be operated but other power windows can be operated.
Diagnostic Procedure 2 — driver's side power window cannot be operated
1
A — CHECK DRIVER'S SIDE POWER WINDOW MOTOR CIRCUIT.
Check for battery voltage at main switch connector (D6), terminals (1) and (6), with ignition switch 'ON' and switch connector connected.
N.G.
Replace driver's side main switch.
O.K.
2
B — CHECK POWER SUPPLY AT DRIVER SIDE POWER WINDOW MOTOR.
1) Disconnect power window motor connector (D4) from power window motor.
2) Make sure battery voltage exists at terminals (1) and (2) when operating driver's side main switch.
N.G.
Repair harness between driver's side main switch and power window motor.
O.K.
CHECK POWER WINDOW MOTOR AND REPLACE IF NECESSARY.
Test A — main switch connector D6 voltage vs operation
6
Terminal (−)GND
Main switch operationUp
VoltageApprox. 12V
1
Terminal (−)GND
Main switch operationDown
VoltageApprox. 12V
Test B — power-window motor connector D4 voltage vs operation
1
Terminal (−)GND
Main switch operationUp
VoltageApprox. 12V
2
Terminal (−)GND
Main switch operationDown
VoltageApprox. 12V