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Home >> Pontiac >> 2005 >> Vibe Base, AWD >> Repair and Diagnosis >> Brakes >> Antilock Brake System, Traction Control System & Stability Control System >> Diagnostic Information and Procedures >> Stability System Caution Indicator Always On >> Test Description

Test Description

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

  1. 4:  This step tests the ignition positive voltage circuit for an open or short to ground.This step tests the EBCM ground circuits for an open or high resistance.
  2. 6:  This step tests the VSC indicator control circuit for a short
Stability System Caution Indicator Always On

Step Action Yes No
Schematic Reference:  ABS Schematics  
Connector End View Reference:  ABS Connector End Views  
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
2 Inspect for poor connections at the harness connector of the electronic brake control module (EBCM). 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 9  Go to Step 3 
3 Measure the battery voltage.
Is the battery voltage as specified?
Go to Step 4  Go to Symptoms - Engine Electrical in Engine Electrical
  1. Test the ignition positive voltage circuit for an open or short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
  2. Test the EBCM ground circuits for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 9  Go to Step 5 
5
  1. Turn OFF the ignition.
  2. Disconnect the EBCM connector.
  3. Turn ON the ignition.
Is the vehicle stability control (VSC) indicator ON?
Go to Step 5  Go to Step 6 
Test the VSC indicator control circuit for a short. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 9  Go to Step 7 
7 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 9  -
8 Replace the brake pressure modulator valve (BPMV). Refer to Brake Modulator Assembly Replacement (Without VSC)  or Brake Modulator Assembly Replacement (With VSC) .
Is the repair complete?
Go to Step 9  -
9 Operate the system in order to verify the repair.
Did you correct the condition?
System OK Go to Step 2