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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1690 (Stationary Window System) >> Diagnostic Information and Procedures >> Mirrors - Automatic Day-Night Mirror Displays SC

Mirrors - Automatic Day-Night Mirror Displays SC

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Mirrors - Automatic Day-Night Mirror Displays SC

Step Action Yes No
Schematic Reference: Inside Rearview Mirror Schematics 
1 Did you review the temperature display operation of the inside rearview mirror and perform the necessary inspections? Go to Step 2  Go to Symptoms - Stationary Windows 
2
  1. Turn ON the ignition, with the engine OFF.
  2. Turn ON the temperature display on the inside rearview mirror.
Does the temperature display show a temperature reading?
Go to TESTING FOR INTERMITTENT AND POOR CONNECTIONS Go to Step 3 
3
  1. Turn OFF the ignition.
  2. Disconnect the ambient air temperature sensor.
  3. Turn ON the ignition with the engine OFF.
Does the temperature display show OC?
Go to Step 5  Go to Step 4 
4 Test the signal circuit of the ambient temperature sensor for a short to ground. Refer to CIRCUIT TESTING and WIRING REPAIRS .
Did you find and correct the condition?
Go to Step 9  Go to Step 6 
5 Inspect for a poor connection at the harness connector of the ambient air temperature sensor. Refer to TESTING FOR INTERMITTENT AND POOR CONNECTIONS and CONNECTOR REPAIRS .
Did you find and correct the condition?
Go to Step 9  Go to Step 7 
6 Inspect for a poor connection at the harness connector of the inside rearview mirror. Refer to TESTING FOR INTERMITTENT AND POOR CONNECTIONS and CONNECTOR REPAIRS .
Did you find and correct the condition?
Go to Step 9  Go to Step 8 
7 Replace the ambient air temperature sensor. Refer to Ambient Air Temperature Sensor Replacement .
Did you complete the replacement?
Go to Step 9  -
8
IMPORTANT: Perform the Compass Calibration and Variance procedure for the inside rearview mirror with compass.
Replace the inside rearview mirror. Refer to Rearview Mirror Replacement .Did you complete the replacement?
Go to Step 9  -
9 Operate the system in order to verify the repair.
Did you correct the condition?
System OK Go to Step 3