Power Mirrors - Folding Inoperative

Step	Action	Yes	No
Schematic Reference: Outside Rearview Mirror Schematics Connector End View Reference: Vehicle Access Connector End Views
1	Did you perform the Diagnostic System Check - Vehicle?	Go to Step 2	Go to Diagnostic System Check - Vehicle
2	Turn ON the ignition, with the engine OFF. Activate the mirror fold switch in the extend and retract positions. Do the outside rearview mirrors extend and retract with the corresponding switch activation?	Go to Testing for Intermittent Conditions and Poor Connections	Go to Step 3
3	Are both folding mirrors inoperative?	Go to Step 3	Go to Step 7
4	Install a scan tool. Monitor the mirror select switch and the Mirror Switch Horizontal Data parameters. Activate fold from the mirror select switch. Activate the extend and retract functions from the mirror horizontal switch. Do all of the data parameters change with the corresponding switch activations?	Go to Step 8	Go to Step 5
5	Do any of the data parameters change with the corresponding switch activations?	Go to Step 10	Go to Step 6
6	Connect a test lamp to a good ground. Backprobe the switch power circuit at the power mirror switch harness connector. Does the test lamp illuminate?	Go to Step 10	Go to Step 8
7	Install a scan tool. With the scan tool, command the inoperative mirror to retract and extend. Does the mirror move with the corresponding scan tool command?	Go to Step 11	Go to Step 9
8	Inspect for poor connections at the driver door module (DDM). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition?	Go to Step 16	Go to Step 12
9	Inspect for poor connections at the power mirror. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition?	Go to Step 16	Go to Step 13
10	Inspect for poor connections at the power mirror switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition?	Go to Step 16	Go to Step 14
11	Inspect for poor connections at the appropriate door module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition?	Go to Step 16	Go to Step 15
12	Replace the DDM. Refer to Control Module References for replacement, setup and programming. Did you complete the repair?	Go to Step 16	-
13	Replace the power mirror. Refer to Mirror Replacement . Did you complete the repair?	Go to Step 16	-
14	Replace the power mirror switch. Refer to Power Mirror Switch Replacement . Did you complete the repair?	Go to Step 16	-
15	Replace the appropriate door module. Refer to Control Module References for replacement, setup and programming. Did you complete the repair?	Go to Step 16	-
16	Operate the system in order to verify the repair. Did you correct the condition?	System OK	Go to Step 3