Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Isuzu >> 2003 >> Ascender 4.2 S, RWD >> Repair and Diagnosis >> Electrical >> Charging Systems >> Generators & Regulators >> Symptom Test >> Charge Indicator Always On

Charge Indicator Always On

  1. Did you perform the Diagnostic System Check? If yes, go to next step. If no, see DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM.
  2. Turn ON the ignition, with the engine OFF. Observe the charge indicator on the instrument cluster. Does the charge indicator illuminate? If yes, go to next step. If no, problem is intermittent. Retest the system.
  3. Turn OFF the ignition. Disconnect the generator connector. Turn ON the ignition, with the engine OFF. Does the charge indicator illuminate? If yes, go to next step. If no, test charging system output.
  4. Test the charge indicator control circuit for a short to ground. Did you find and correct the condition? If yes, go to step  6. If no, go to next step.
  5. Replace the PCM. See POWERTRAIN CONTROL MODULE in REMOVAL & INSTALLATION article in ENGINE PERFORMANCE. Did you complete the replacement? If yes, go to next step.
  6. Operate the system in order to verify the repair. Did you correct the condition? If yes, system is OK. If no, go to step  3.