Folding Power Mirror Inoperative

Possible Causes are:

• FOLDING MIRROR
• DRIVER POWER MIRROR FOLDING MIRROR OPEN
• PASSENGER FOLDAWAY MIRROR OPEN
• POWER FOLDING MIRROR FEED WIRE OPEN
• POWER FOLDING MIRROR FEED WIRE SHORTED TO GROUND
• POWER FOLDING MIRROR RETURN WIRE OPEN
• POWER FOLDING MIRROR RETURN WIRE SHORTED TO GROUND
• DRIVER DOOR MODULE FOLDING MIRROR OPEN
• PASSENGER DOOR MODULE FOLDAWAY MIRROR OPEN
• BOTH FOLDING MIRRORS INOPERATIVE
• DRIVER POWER MIRROR SHORT TO GROUND
• PASSENGER POWER MIRROR SHORT TO GROUND

1. The following list of items should be checked before continuing with any power mirror tests. Ensure door ajar switches are working properly before proceeding. If not, diagnose and repair door ajar switch problem by symptom. See SYMPTOM IDENTIFICATION  table under RETRIEVING & CLEARING DIAGNOSTIC TROUBLE CODES under SELF-DIAGNOSTIC SYSTEM. Ensure there is communication with the DDM and the BCM before proceeding. If not, diagnose and repair communication problem by symptom. See SYMPTOM IDENTIFICATION  table under RETRIEVING & CLEARING DIAGNOSTIC TROUBLE CODES under SELF-DIAGNOSTIC SYSTEM. Ensure the mirror directional switches are working properly before proceeding. If not, replace the DDM. Ensure the mirror select switch is working properly before proceeding. If not, replace the DDM. If all items are operational, go to next step.
2. Ensure all doors are closed. Remove the key from the ignition switch. Operate the mirrors from the power foldaway switch and observe both mirrors. What did you observe?
   • Neither mirror folded or opened. Replace the Driver Door Module. Perform BODY VERIFICATION TEST VER 1  under VERIFICATION TESTS.
   • Driver mirror failed to fold or open. Go to next step.
   • Passenger mirror failed to fold or open. Go to step  11 .
   • Both mirrors folded and opened. Mirrors are operating properly at this time. Check for intermittent failure from doors and foldaway switches. Perform BODY VERIFICATION TEST VER 1  under VERIFICATION TESTS.
3. Turn key off. Disconnect the Driver Door Module C2 connector. Measure the resistance between ground and the Power Folding Mirror Feed circuit in the DDM C2 connector. Is the resistance less than 5 ohms? If yes, go to next step. If no, go to step  7 .
4. Disconnect the Passenger Door Module C2 connector. Disconnect the Passenger Power Mirror connector. Measure the resistance between ground and the Power Folding Mirror Feed wire in the PDM C2 connector. Is the resistance less than 5 ohms? If yes, repair the Power Folding Mirror Feed wire for a short to ground. Perform BODY VERIFICATION TEST VER 1  under VERIFICATION TESTS. If no, go to next step.
5. Disconnect the Passenger Door Module C2 connector. Disconnect the Passenger Power Mirror connector. Measure the resistance between ground and the Power Folding Mirror Return wire in the PDM C2 connector. Is the resistance less than 5 ohms? If yes, repair the Power Folding Mirror Return wire for a short to ground. Perform BODY VERIFICATION TEST VER 1  under VERIFICATION TESTS. If no, go to next step.
6. If there are no possible causes remaining, replace the Driver Power Mirror. Perform BODY VERIFICATION TEST VER 1  under VERIFICATION TESTS.
7. Ensure the DDM C2 connector is connected at this time. Disconnect the Driver Power Mirror connector. Connect a 12-volt test light between the Power Folding Mirror Feed and the Power Folding Mirror Return circuits in the Driver Power Mirror connector. Using the DRBIII(R), actuate Drv Foldaway In, then the Drv Foldaway Out relays. Did the test light illuminate when the relays were activated in both directions? If yes, replace the Driver Foldaway Mirror. Perform BODY VERIFICATION TEST VER 1  under VERIFICATION TESTS. If no, go to next step.
8. Turn key off. Disconnect the Passenger Door Module C2 connector. Disconnect the Passenger Power Mirror connector. Measure the resistance of the Power Folding Mirror Feed wire between the PDM C2 connector and the Passenger Power Mirror connector. Is the resistance less than 5 ohms? If yes, go to next step. If no, repair the open Power Folding Mirror Feed wire. Perform BODY VERIFICATION TEST VER 1  under VERIFICATION TESTS.
9. Disconnect the Passenger Door Module C2 connector. Disconnect the Passenger Power Mirror connector. Measure the resistance of the Power Folding Mirror Return wire between the PDM C2 connector and the Driver Power Mirror connector. Is the resistance less than 5 ohms? If yes, go to next step. If no, repair the open Power Folding Mirror Return wire. Perform BODY VERIFICATION TEST VER 1  under VERIFICATION TESTS.
10. If there are no possible causes remaining, replace the Driver Door Module. Perform BODY VERIFICATION TEST VER 1  under VERIFICATION TESTS.
11. Turn key off. Disconnect the Passenger Door Module C2 connector. Measure the resistance between ground and the Power Folding Mirror Feed circuit in the PDM C2 connector. Is the resistance less than 5 ohms? If yes, go to next step. If no, go to step  15 .
12. Disconnect the Passenger Power Mirror connector. Measure the resistance between ground and the Power Folding Mirror Feed wire in the PDM C2 connector. Is the resistance less than 5 ohms? If yes, repair the Power Folding Mirror Feed wire for a short to ground. Perform BODY VERIFICATION TEST VER 1  under VERIFICATION TESTS. If no, go to next step.
13. Measure the resistance between ground and the Power Folding Mirror Return wire in the PDM C2 connector. Is the resistance less than 5 ohms? If yes, repair the Power Folding Mirror Return wire for a short to ground. Perform BODY VERIFICATION TEST VER 1  under VERIFICATION TESTS. If no, go to next step.
14. If there are no possible causes remaining, replace the Passenger Power Mirror. Perform BODY VERIFICATION TEST VER 1  under VERIFICATION TESTS.
15. Ensure the PDM C2 connector is connected at this time. Disconnect the Passenger Power Mirror connector. Connect a 12-volt test light between the Power Folding Mirror Feed and the Power Folding Mirror Return circuits in the Passenger Power Mirror connector. Using the DRBIII(R), actuate Passenger Foldaway In then the Passenger Foldaway Out relays. Did the test light illuminate when the relays were activated in both directions? If yes, replace the Passenger Door Foldaway Mirror. Perform BODY VERIFICATION TEST VER 1  under VERIFICATION TESTS. If no, go to next step.
16. Turn key off. Disconnect the Passenger Door Module C2 connector. Disconnect the Passenger Power Mirror connector. Measure the resistance of the Power Folding Mirror Feed wire between the PDM C2 connector and the Passenger Power Mirror connector. Is the resistance less than 5 ohms? If yes, go to next step. If no, repair the open Power Folding Mirror Feed wire. Perform BODY VERIFICATION TEST VER 1  under VERIFICATION TESTS.
17. Measure the resistance of the Power Folding Mirror Return wire between the PDM C2 connector and the Driver Power Mirror connector. Is the resistance less than 5 ohms? If yes, go to next step. If no, repair the open Power Folding Mirror Return wire. Perform BODY VERIFICATION TEST VER 1  under VERIFICATION TESTS.
18. If there are no possible causes remaining, replace the Passenger Door Module. Perform BODY VERIFICATION TEST VER 1  under VERIFICATION TESTS.