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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1505 (Battery, Charging System & Starting System) >> Diagnostic Information and Procedures >> Charge Indicator Always On

Charge Indicator Always On

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
Charge Indicator Always On

Step Action Value Yes No
Schematic Reference: Starting and Charging Schematics 
1 Did you perform the Engine Electrical Diagnostic System Check? - Go to Step 2  Go to Diagnostic System Check - Engine Electrical 
2 Start the engine.
Does the Charge System Fault message remain ON?
- Go to Step 3  Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
3
  1. Install a scan tool.
  2. With a scan tool, observe the Ignition 1 Signal parameter in the PCM data list.
Is the voltage within the specified value?
11.0-15.5 Volts Go to Step 4  Go to Charging System Test 
4
  1. Turn OFF the ignition.
  2. Disconnect the PCM.
  3. Turn ON the ignition, with the engine OFF.
Is the Charge System Fault message ON?
- Go to Step 5  Go to Step 7 
5 Inspect for poor connections at the harness connector of the IPC. 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 6 
6 Replace the instrument panel cluster. Refer to Instrument Panel Cluster (IPC) Replacement in Instrument Panel, Gages and Console.
Did you complete the replacement?
- Go to Step 9  -
7 Inspect for poor connections at the PCM harness connector. 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 8 
8
IMPORTANT: Perform the set up procedures for the PCM.
Replace the PCM. Refer to Powertrain Control Module (PCM) Replacement in Engine Controls - 5.7L.Did you complete the replacement?
- Go to Step 9  -
9 Operate the system for which the symptom occurred.
Did you correct the condition?
- System OK Go to Step 2