• | 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 |
---|---|---|---|---|
Folding Mirror Motor Retract Control | B1722 02 | B1722 04 | B1722 01 | -- |
Folding Mirror Motor Extend Control | B1722 02 | B1722 04 | B1722 01 | -- |
The driver door module (DDM) and passenger door module (PDM) control the power folding or power extending functions of the outside rearview mirrors. The folding mirror motors are controlled by using bi-directional motor controls through the folding mirror motor retract control circuit and the folding mirror motor extend control circuit.
Outside Rearview Mirror Schematics
Outside Mirror Description and Operation
Control Module References for scan tool information
⇒ | If the parameter does not cycle between the specified values, replace the DDM. |
⇒ | If the test lamp remains OFF during either of the commands, test for a short to voltage, short to ground, or an open/high resistance on either control circuit. If the circuits test normal, replace the door module. |
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
• | Control Module References for DDM and PDM replacement, setup, and programming |