FixVault
Home › Pontiac › 2005 › Aztek Base, AWD › Repair and Diagnosis › Brakes › Antilock Brake System And Traction Control System › Diagnostic Information and Procedures › ABS Indicator Inoperative › Test Description

Test Description

The numbers below refer to the step numbers on the diagnostic table.

  1. 2:  Checks if the scan tool can turn on and off all the indicator lamps in the instrument cluster.
  1. 4:  Checks if the circuits going to the instrument Cluster or the cluster are at fault.
ABS Indicator Inoperative

Step Action Yes No
Schematic Reference: ABS Schematics 
Connector End View Reference: ABS Connector End Views  or Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gages and Console
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
2 
  1. Using a scan tool, select the Instrument Panel Cluster Special Functions mode.
  2. Go to Lamp Test.
  3. In the Lamp Test mode you can turn on or off the instrument panel indicators.

    All indicators will turn ON when commanded ON.

Does the ABS Indicator turn ON then OFF?		 Go to Step 3  Go to Step 4 
3 Replace the electronic brake control module (EBCM). Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.
Is the replacement complete?		 Go to Diagnostic System Check - Vehicle in Vehicle DTC Information -
4 
  1. Disconnect the instrument cluster and connect a test light across the appropriate power and ground terminals.
  2. Test light OFF, repair open in power or ground circuit to cluster.
  3. Test light ON, check connector for poor connection to the cluster.
  4. If OK, replace the instrument cluster. Refer to Instrument Panel Cluster (IPC) Replacement in Instrument Panel, Gages, and Console.
Is the instrument cluster replacement complete?		 Go to Diagnostic System Check - Vehicle in Vehicle DTC Information -
About FixVault