B1724
DTC B1724
CIRCUIT DESCRIPTION
The door modules supply battery positive voltage and ground on opposing mirror motor control circuits based on the position of the mirror switch.
DTC DESCRIPTOR
This diagnostic procedure supports the following DTC:
DTC B1724 Mirror Motor Control Circuit 2 Performance
CONDITIONS FOR RUNNING THE DTC
- System voltage must be between 9-16 volts.
- The ignition switch must be in the ON position.
CONDITIONS FOR SETTING THE DTC
- If the mirror motor up/left control circuit is shorted to battery voltage and the mirror is commanded down or right
- If the mirror motor up/left control circuit is shorted to ground and the mirror is commanded up or left
ACTION TAKEN WHEN THE DTC SETS
The outside rearview mirror will not operate properly on all axes.
CONDITIONS FOR CLEARING THE DTC
When the fault is no longer present, the door module changes the current DTC to a history DTC. The door module will clear the history DTC after 50 fault-free ignition cycles, or in response to a scan tool command.
TEST
