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HOMESERVICE MANUALSBUICK2005LESABRE LIMITED, 4T65E/M15REPAIR AND DIAGNOSISBODY & FRAMEWINDOWSDOOR SYSTEM, MIRROR SYSTEM & WINDOW SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESPOWER MIRRORS INOPERATIVE
2005 Buick LeSabre Limited, 4T65E/M15

Power Mirrors Inoperative

2005 Buick LeSabre Limited, 4T65E/M15SECTION Power Mirrors Inoperative
Power Mirrors Inoperative

Step Action Yes No
Schematic References: Outside Mirror Schematics  and Door Control Module Schematics 
Connector End View Reference: Master Electrical Component List in Wiring Systems
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
2 Verify that the Power Mirrors Inoperative complaint is present.
Does the power mirror system operate as described in the Description and Operation?		 Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 3 
3
  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. Observe the Driver Mirror Selectors parameter in the Driver Door Module Inputs list.
  4. Place the mirror select switch in the left and then the right mirror selections.
Did the Driver Mirror Selectors parameter indicate the appropriate mirror selection?		 Go to Step 4  Go to Step 6 
4
  1. Observe the Driver Mirror Switches parameter in the Driver Door Module Inputs list.
  2. Operate the mirror position switch to the UP, DOWN, LEFT and RIGHT positions.
Did the Driver Mirror Switches parameter change from the Idle state to the UP, DOWN, LEFT, and RIGHT states as expected?		 Go to Step 5  Go to Step 6 
5
  1. Disconnect the mirror harness connector from the door module.
  2. Connect a test lamp between the appropriate motor control circuits at the door module pins.
  3. Operate the mirror position switch in both directions of the inoperative axis.
Does the test lamp illuminate in both directions?		 Go to Step 8  Go to Step 7 
6 Inspect for poor connections at the harness connector of the driver door switch assembly (DDSA). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 12  Go to Step 11 
7 Inspect for poor connections at the harness connector of the door module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 12  Go to Step 10 
8 Inspect for poor connections at the harness connector of the inoperative outside rearview mirror. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 12  Go to Step 9 
9 Replace the inoperative outside rearview mirror. Refer to Mirror Replacement - Power .
Did you complete the replacement?		 Go to Step 12  -
10 Replace the door module of the inoperative mirror. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.
Did you complete the replacement?		 Go to Step 12  -
11 Replace the DDSA. Refer to Front Door Switch Replacement .
Did you complete the replacement?		 Go to Step 12  -
12 Operate the system in order to verify the repair.
Did you correct the condition?		 System OK Go to Step 2 
RENDER: 1.0x

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