B1D22-13

B1D22-13-DRIVER MIRROR HORIZONTAL MOTOR CONTROL - CIRCUIT OPEN





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

Theory of Operation

The Mirror Horizontal Driver circuit supplies battery voltage for the mirror left position and ground for the mirror right position. The Mirror Common Driver supplies battery voltage for the mirror right position and ground for the mirror left.

- When Monitored:
Continuously.

- Set Condition:
When the Driver Door Module (DDM) senses a short high on the (P75) Driver 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 the Diagnostic Trouble Codes (DTCs).
3. Press and release the Mirror Select switch to select the Driver 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 the DTCs.

Does the scan tool display; B1D22-13-DRIVER MIRROR HORIZONTAL MOTOR CONTROL - CIRCUIT OPEN?

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 the BODY VERIFICATION TEST. Body Verification Test.

2. CHECK MIRROR AND HARNESS FOR AN OPEN




1. Gain access to the Driver Door Module but do not disconnect the Mirror (DDM C2) connector.
2. Using a 12 volt test light, backprobe and connect one lead to the (P75) Driver Mirror Horizontal Driver circuit and the other lead to the (P73) Driver Mirror Common Driver circuit in the Driver Outside Rearview Mirror (Component Side) connector (DDM C2).
3. While moving the mirror adjust switch left and right, observe the test light.

Does the test light illuminate brightly when the switch is moved in either direction?

Yes

- Examine and repair the mirror harness for any breaks or damage. If the wiring harness and connector are okay, replace the Driver Outside Rearview Mirror. Outside Rearview Mirror - Removal.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Replace the Driver Door Module (DDM). Door Module - Removal.
- Perform the BODY VERIFICATION TEST. Body Verification Test.