B164B

B164B-DRIVER MIRROR SIGNAL LAMP CONTROL CIRCUIT LOW



- When Monitored:
Continuously.





1. TEST FOR INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, erase all DTCs.
3. Operate the Turn Signal Switch in all both directions several times.
4. Cycle the ignition from on to off three times.
5. Turn the ignition on.
6. With the scan tool, read active DTCs.

Does the scan tool display: B164B MIRROR SIGNAL LAMP CONTROL CIRCUIT LOW as Active?

Yes

- Go To 2

No

- The condition that caused this symptom is currently not present. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Repair as necessary.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

2. INSPECT MIRROR CONNECTIONS
1. Turn the ignition off.
2. Disconnect the Driver Outside Rearview Mirror connector at the Drivers Door Module harness connector.
3. Inspect the wiring and connectors between the mirror and the Drivers Door Module.

Were there any problems found?

Yes

- Repair as necessary.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Go To 3

3. MIRROR ASSEMBLY
1. Replace the Drivers Power Mirror Assembly.
2. Turn the ignition on
3. With the scan tool, erase the DTCs.
4. Cycle the ignition from on to off three times.
5. Turn the ignition on.
6. Operate the Turn Signal Switch in all both directions several times.
7. With the scan tool, read active DTCs.

Does the scan tool display: B164B MIRROR SIGNAL LAMP CONTROL CIRCUIT LOW as Active?

Yes

- Replace the Drivers Door Module.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Test Complete.
- Perform the BODY VERIFICATION TEST. Body Verification Test.