• | Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. |
• | Review Strategy Based Diagnosis for an overview of the diagnostic approach. |
• | Diagnostic Procedure Instructions provides an overview of each diagnostic category. |
Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
---|---|---|---|---|
Left/Right Mirror Motor Horizontal Control | B1544 04, B1605 02 | B1544 04, B1605 04 | B1605 01 | -- |
Left/Right Mirror Motor Common Control | B1544 04, B1600 04, B1605 04, B1544 02 | B1544 04, B1600 04, B1605 04 | B1544 01 | -- |
Left/Right Mirror Motor Vertical Control | B1544 04, B1600 02 | B1544 04, B1600 04 | B1600 01 | -- |
The Driver Door Switch (DDS) or Passenger Door Switch (PDS) controls the mirror horizontal and vertical motors through the use of bi-directional motor controls. When the mirror is commanded up and down, voltage or ground is supplied to the mirror vertical motor through the mirror motor up/down control circuit and voltage or ground is supplied through the mirror motor common circuit.
Horizontal controls operate in the same manner with the mirror motor left/right control circuit supplying voltage or ground and the mirror motor common circuit suppling voltage or ground to the mirror horizontal motor when the mirror is commanded right and left.
The power mirror is being commanded left, right, up, or down.
An improper voltage level is detected on the mirror motor common control circuit.
An improper voltage level is detected on the mirror motor up/down control circuit.
An improper voltage level is detected on the mirror motor left/right control circuit.
Operation of the affected motor is suspended as long as the fault is present.
• | A current DTC will clear when the fault is no longer present. |
• | A history DTC will clear after 40 malfunction-free ignition cycles. |
Outside Rearview Mirror Schematics
Outside Mirror Description and Operation
Control Module References for scan tool information
Command the left and right outside mirror to move up, down, left and right using the mirror directional switch. The mirror should move in the commanded direction.
⇒ | If the test lamp is always ON, test the control circuits for a short to voltage. If the circuit tests normal, replace the appropriate door switch. |
⇒ | If the test lamp is always OFF, test the control circuits for a short to ground or an open/high resistance. If the circuit tests normal, replace the appropriate door switch. |
⇒ | If the test lamp is always ON, test the control circuits for a short to voltage. If the circuit tests normal, replace the appropriate door switch. |
⇒ | If the test lamp is always OFF, test the control circuits for a short to ground or an open/high resistance. If the circuit tests normal, replace the appropriate door switch. |
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
• | Control Module References for DDS or PDS replacement, setup, and programming |