B1D22-11
B1D22-11-DRIVER MIRROR HORIZONTAL MOTOR CONTROL - CIRCUIT SHORT TO GROUND
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:
The Door Module senses a short low on the (P75) Driver Mirror Horizontal Driver circuit for more than two seconds.
1. TEST FOR INTERMITTENT CONDITION
1. Turn the ignition on.
2. With a scan tool, record and erase DTCs.
3. Turn the turn signal on, if equipped with turn signal mirror.
4. Turn the approach lamps on, if equipped.
5. Turn the rear defogger on, if equipped with heated mirror.
6. Press and release the Mirror Select switch to select the Driver Outside Rearview Mirror.
7. Operate the Mirror Adjust switch in all directions several times while monitoring the scan tool for DTCs.
Note: After adjusting the mirror in one direction wait at least two seconds before adjusting the mirror in the opposite direction, as this will allow time for an active fault to set if present.
8. With the scan tool, read the active DTCs.
Does the scan tool display: B1D22-11-DRIVER MIRROR HORIZONTAL MOTOR CONTROL - CIRCUIT SHORT TO GROUND?
Yes
- Go To 2
No
- Test complete, the condition or conditions that originally set this DTC are not present at this time. For vehicle's equipped with folding outside rearview mirrors, repeat this test with the mirror folded. If this DTC is now active, Go To 2. Otherwise, using the wiring diagrams as a guide, check all related connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
- Perform the BODY VERIFICATION TEST. Body Verification Test.
2. CHECK (P75) DRIVER MIRROR HORIZONTAL DRIVER CIRCUIT FOR A SHORT TO GROUND IN THE DOOR MODULE
NOTE: Here we are checking the Door Module for an internal short.
1. Disconnect the Driver Outside Rearview Mirror C1 and C2 harness connectors.
2. Using a 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 while monitoring the scan tool for DTCs.
Note: After adjusting the mirror in one direction wait at least two seconds before adjusting the mirror in the opposite direction, as this will allow time for an active fault to set if present.
NOTE: The scan tool will display several High or Open DTCs when the connectors are disconnected.
5. With the scan tool, read the active DTCs.
Does the scan tool display: B1D22-11-DRIVER MIRROR HORIZONTAL MOTOR CONTROL - CIRCUIT SHORT TO GROUND as active?
Yes
- Replace the Driver Door Module. Door Module - Removal.
- Perform the BODY VERIFICATION TEST. Body Verification Test.
No
- Go To 3
3. CHECK (P75) DRIVER MIRROR HORIZONTAL DRIVER CIRCUIT FOR A SHORT TO GROUND
1. Turn the ignition off.
2. Measure the resistance between ground and the (P75) Driver Mirror Horizontal Driver circuit in the Driver Outside Rearview Mirror C2 (Component Side) harness connector.
Is the resistance below 10K Ohms?
Yes
- Repair the short to ground in the (P75) Driver Mirror Horizontal Driver circuit. If the wiring harness and harness connector are okay, replace the Driver Outside Rearview Mirror. Outside Rearview Mirror - Removal.
- Perform the BODY VERIFICATION TEST. Body Verification Test.
No
- Go To 4
4. CHECK (P75) DRIVER MIRROR HORIZONTAL DRIVER CIRCUIT FOR A SHORT TO ONE OF THE OTHER DRIVER MIRROR DRIVER CIRCUITS
1. Measure the resistance between the (P75) Driver Mirror Horizontal Driver circuit (C2-8) and the other Driver Mirror Driver circuits in the Driver Outside Rearview Mirror C2 (Component Side) connector.
Is the resistance below 10.0 Ohms for either measurement?
Yes
- Repair all circuits with a resistance below 10.0 Ohms for a short to the (P75) Driver Mirror Horizontal Driver circuit. 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
- Go To 5
5. CHECK (P75) DRIVER MIRROR HORIZONTAL DRIVER CIRCUIT FOR A SHORT TO ANY RETURN OR GROUND CIRCUIT
1. Measure the resistance between the (P75) Driver Mirror Horizontal Driver circuit (C2-8) and designated Mirror Ground or Return circuits in the Driver Outside Rearview Mirror C1 and C2 (Component Side) connectors.
Is the resistance below 10K Ohms between the (P75) Driver Mirror Horizontal Driver circuit and any of the designated Ground or Return circuits?
Yes
- Repair the (P75) Driver Mirror Horizontal Driver circuit for a short to the Return or Ground circuit. If the wiring harness and connectors are okay, replace the Driver Outside Rearview Mirror. Outside Rearview Mirror - Removal.
- Perform the BODY VERIFICATION TEST. Body Verification Test.
No
- Inspect the wiring and connectors for damage and repair as necessary. If the wiring and connectors are okay, replace the Door Module. Door Module - Removal.
- Perform the BODY VERIFICATION TEST. Body Verification Test.