Charging System
- Start the engine and raise the engine speed to 2, 500~3, 000 RPM.
- Turn ON all electrical loads by turning on the headlamps, and by turning on the high blower motor, etc.
- Monitor the battery (ignition) voltage parameter on the GDS data list.
Specification:
Ambient temperature °C (°F) Reference Voltage (V) -20 (-4) Approx. 14.2~15.4 20 (68) Approx. 14.0~15.0 60 (140) Approx. 13.7~14.9 80 (176) Approx. 13.5~14.7 - Is the battery voltage within the specification?
YES
- Check for poor connection between ECM and component: backed out terminal, improper mating, broken locks or poor terminal to wire connection. Repair as necessary and go to "Verification Of Repair " procedure.
NO
- Possibility of charging system malfunction. Repair or replace alternator and battery. Refer to CHARGING SYSTEM . And then go to "Verification Of Repair " procedure.