Charging System Warning Light
WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.
- Verify that the battery is fully charged. (See BATTERY INSPECTION (US) .)
- Verify that the assembly condition of the drive belt is normal. (See DRIVE BELT INSPECTION (VIN M) (US) .)
- Switch the ignition ON (engine off), verify that the charging system warning light illuminates.
- If it does not illuminate, inspect the charging system warning light and the wiring harness.
- If the charging system warning light and the wiring harness are normal, inspect the PCM. (See PCM INSPECTION (VIN M) (US) .)
- Verify that the charging system warning light turns off after the engine is started.
- If the charging system warning light does not turn off, perform the DTC inspection, then perform troubleshooting according to the corresponding diagnostic procedure. (See DTC INSPECTION .) (See DTC TABLE [PCM (SKYACTIV-G (US))] .)