Operation CHARM: Car repair manuals for everyone.

Description







DESCRIPTION
DTC B1318 is generated when the ECU detects system voltage was less than 9.5 volts for more than 5 seconds.

POSSIBLE CONTRIBUTING COMPONENT/VEHICLE WIRING FAULTS
- Charging system under-voltage condition.
- Excessive resistance in ECU ground circuits (Pins 1 and 14).
- Excessive resistance in Circuit 601 (LB/PK) to Pin 20.