B1D2F

B1D2F-PASSENGER MIRROR HORIZONTAL MOTOR CONTROL CIRCUIT LOW





For a complete wiring diagram, refer to the Wiring Information.

- When Monitored:
Continuously.

- Set Condition:
When the Passenger Door Module (PDM) senses a short low on the (P74) Passenger Mirror Horizontal Driver circuit for more than 10 ms.





1. TEST FOR INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, record and erase Diagnostic Trouble Codes (DTCs).
3. Press and release the Mirror Select switch to select the Passenger Outside Rearview Mirror.
4. Operate the Mirror Adjust switch in all directions several times.
5. Cycle the ignition from on to off three times.
6. Turn the ignition on.
7. With the scan tool, read DTCs.

Does the scan tool display DTC B1D2F-PASSENGER MIRROR HORIZONTAL MOTOR CONTROL CIRCUIT LOW?

Yes

- Go To 2

No

- The conditions that caused this code to set are not present at this time. For vehicle's equipped with folding outside rearview mirrors, repeat test with mirror folded. If DTC is now active, Go To 2. Otherwise, use the wiring diagram/schematic as a guide and inspect the wiring and connectors.
- Perform BODY VERIFICATION TEST. Body Verification Test.

2. CHECK (P74) PASSENGER MIRROR HORIZONTAL DRIVER CIRCUIT FOR A SHORT TO GROUND




1. Turn the ignition off.
2. Disconnect the Passenger Outside Rearview Mirror (Component Side) connector from the PDM C2 connector.
3. Measure the resistance of the (P74) Passenger Mirror Horizontal Driver circuit between ground and the Passenger Outside Rearview Mirror (Component Side) connector.

Is the resistance below 10k ohms?

Yes

- Repair the (P74) Passenger Mirror Horizontal Driver circuit for a short to ground. If the wiring harness and connector are okay, replace the Passenger Outside Rearview Mirror.
- Perform BODY VERIFICATION TEST. Body Verification Test.

No, with Heated Mirrors

- Go To 3

No, without Heated Mirrors

- Replace the Passenger Door Module (PDM).
- Perform BODY VERIFICATION TEST. Body Verification Test.

3. CHECK (P74) PASSENGER MIRROR HORIZONTAL DRIVER CIRCUIT FOR A SHORT TO (C170) PASSENGER MIRROR HEATER RETURN CIRCUIT




1. Measure the resistance between the (P74) Passenger Mirror Horizontal Driver circuit and the (C170) Passenger Mirror Heater Return circuit at the Passenger Outside Rearview Mirror (Component Side) connector.

Is the resistance below 10k ohms?

Yes

- Repair the (P74) Passenger Mirror Horizontal Driver circuit for a short to the (C170) Passenger Mirror Heater Return circuit. If the wiring harness and connector are okay, replace the Passenger Outside Rearview Mirror.
- Perform BODY VERIFICATION TEST. Body Verification Test.

No

- Replace the Passenger Door Module (PDM).
- Perform BODY VERIFICATION TEST. Body Verification Test.