B1D2B

B1D2B - Passenger Mirror Vertical Motor Control Circuit Low

For a complete wiring diagram, refer to.

• When Monitored: Continuously.






Test Step 1 - Test for an Intermittent Condition

• Turn the ignition ON.

• With the scan tool, erase all DTCs.

• Operated the mirror switch in all directions several times.

• Cycle the ignition from on to off 3 times.

• Turn the ignition ON.

• With the scan tool, check for DTCs.

Does the scan tool display B1D2B - Passenger Mirror Vertical Motor Control Circuit Low?

Yes

• Go to Test Step 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. Refer to => Non-DTC Based Diagnostics. Body Interior

Test Step 2 - Inspect Mirror Connections

• Turn the ignition OFF.

• Disconnect the passenger outside rearview mirror connector at the passenger door module harness connector.

• Inspect the wiring and connectors between the mirror and the passenger door module.

Were there any problems found?

Yes

• Repair as necessary.

• Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior

No

• Go to Test Step 3

Test Step 3 - Mirror Assembly

• Turn the ignition OFF.

• Replace the passenger power mirror assembly.

• Turn the ignition ON.

• Operated the Mirror switch in all directions several times.

• With the scan tool, check for DTCs.

Does the scan tool display B1D2B - Passenger Mirror Vertical Motor Control Circuit Low?

Yes

• Replace the passenger door module.

• Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior

No

• Test complete.

• Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior