Generator Warning Light Operation
WARNING: This page is about a different car, the 2004 Mazda MPV, 2003 Mazda MPV, and 2002 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
- Verify that the battery is fully charged.
- Verify that the drive belt deflection/tension is correct. See BELT TENSION under ADJUSTMENTS.
- Turn the ignition switch to ON position and verify that the generator warning light illuminates. If warning light does not illuminate, inspect generator warning light, wiring harnesses between the battery, generator warning light, and PCM terminal No. 98. See Fig 1. If the generator warning light and the wiring harnesses are okay, replace the PCM.
- Verify that the generator warning light goes off after the engine is started. If it does not go out, connect Worldwide Diagnostic System (WDS), or equivalent scan tool and check if any one of the following DTCs in the on-board diagnostic system are displayed:
- P0112, P0113, P1631, P1633 or P1634.
- If P0112, P0113, P1631, P1633 or P1634 are displayed, see the following:
- For 2002 models, see DIAGNOSTIC TROUBLE CODE IDENTIFICATION in SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.
- For 2003 models, see DIAGNOSTIC TROUBLE CODE IDENTIFICATION in SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.
- For 2004 models, see DIAGNOSTIC TROUBLE CODE IDENTIFICATION in appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.
If no DTCs are present, perform appropriate test under ON-VEHICLE TESTS .