B3792

DTC B3792

CIRCUIT DESCRIPTION
The seat adjuster switch is supplied a reference circuit by the memory seat module (MSM). When a seat adjuster switch is pressed the circuit is closed and the reference circuit is applied to ground. Closing the circuit to the reference circuit pulls the signal circuit low indicating to the MSM the switch status is now active.

DTC DESCRIPTOR
This diagnostic procedure supports the following DTC:
DTC B3792 Driver Seat Switch Circuit

CONDITIONS FOR SETTING THE DTC
A seat adjuster switch input to the MSM is active for more than 30 seconds.

ACTION TAKEN WHEN THE DTC SETS
- The MSM will ignore the switch input for which a current status DTC is set.
- When the fault is no longer present a history status DTC will be stored, and switch operation will be restored.

CONDITIONS FOR CLEARING THE DTC
- The DTC will be current for as long as the fault is present.
- When the fault is no longer present the DTC will be a history status code.
- The history DTC will be cleared after 100 error free ignition cycles, or by using the scan tool clearing DTCs feature.

TEST DESCRIPTION

Steps 1 - 9:

The numbers below refer to the step numbers on the diagnostic table.
2. Verify that the DTC is current or history by monitoring the switch status for which the code is set.
3. Tests the seat adjuster switch for an internal fault.