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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1351 (Antilock Brake System) >> Diagnostic Information and Procedures >> ABS Indicator Inoperative >> Test Description

Test Description

WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.

The number(s) below refer to the step number(s) on the diagnostic table.

  1. 3:  Determines if the malfunction is caused by an internal EBCM malfunction.
ABS Indicator Inoperative

Step Action Yes No
Schematic Reference:  ABS Schematics  
Connector End View Reference:  ABS Connector End Views  
1 Did you perform A Diagnostic System Check - ABS? Go to Step 2  Go to Diagnostic System Check - ABS 
2 Do any of the other instrument cluster indicators or gages function? Go to Step 3  Go to Gages Inoperative - All in Instrument Panel, Gages, and Console
  1. Turn OFF the ignition.
  2. Disconnect the EBCM electrical connector.
  3. Turn ON the ignition, with the engine OFF.
Does the ABS indicator turn ON?
Go to Step 6  Go to Step 4 
4 Test the ABS indicator control circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 7  Go to Step 5 
5 Replace the instrument panel cluster assembly. Refer to Instrument Panel Cluster (IPC) Replacement in Instrument Panel, Gages, and Console.
Did you complete the replacement?
Go to Step 7  -
6 Replace the brake pressure modulator valve (BPMV). Refer to Brake Modulator Assembly Replacement .
Is the repair complete?
Go to Step 7  -
7 Operate the system in order to verify the repair.
Did you correct the condition?
System OK Go to Step 2