Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
---|---|---|---|---|
Driver Window Switch B+ | 1 | 1 | -- | -- |
Passenger Window Switch B+ | 2 | 2 | -- | -- |
Passenger Window Switch Down Signal | 2 | 2 | 2 | -- |
Passenger Window Switch Up Signal | 2 | 2 | 2 | -- |
Driver Window Motor Control | 1 | 1 | 1 | -- |
Passenger Window Motor Control | 2 | 2 | 2 | -- |
Driver Window Switch Ground | -- | 1, 2 | 1, 2 | -- |
1. Driver Window Malfunction 2. Passenger Window Malfunction |
When the ignition switch is in the RUN or ACCY position and the driver or passenger window switch is pressed in the down position, voltage is applied to the appropriate window motor causing that window to open. When the driver or passenger window switch is pulled in the up position, voltage is applied to the appropriate window motor in the opposite direction causing that window to close.
Power Door Systems Connector End Views
Power Windows Description and Operation
• | Circuit Testing |
• | Wiring Repairs |
Ignition ON, command the driver window UP and DOWN using the driver window switch. The driver window should perform the UP and DOWN functions.
⇒ | If greater than the specified range, test the ground circuit for an open/high resistance. |
⇒ | If the test lamp does not illuminate, test the B+ circuit for a short to ground or an open/high resistance. |
⇒ | If greater than the specified range, test the control circuit for a short to voltage or an open/high resistance. If the circuit tests normal, test or replace the driver window switch. |
⇒ | If greater than the specified range, test the control circuit for a short to voltage or an open/high resistance. If the circuit tests normal, test or replace the driver window switch. |
⇒ | If the test lamp does not illuminate during either of the commands, test both control circuits for a short to ground. If the circuits test normal, test or replace the driver window switch. |
⇒ | If not the specified value, replace the driver window switch. |
⇒ | If greater than the specified range, replace the driver window switch. |
⇒ | If greater than the specified range, replace the driver window switch. |
⇒ | If not the specified value, replace the driver window switch. |
⇒ | If greater than the specified range, replace the driver window switch. |
⇒ | If it does not perform as specified, replace the driver window motor. |
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.