Ignition Timing Adjustment Circuit Malfunction

FAULT ID
P1300

TITLE
Ignition Timing Adjustment Circuit Malfunction

BACKGROUND
- If there is a short circuit in the line between the engine control module and the ignition timing adjustment terminal, the line voltage will become low.
- The engine control module checks whether this occurs.

RANGE OF CHECK
Ignition switch: ON

SET CONDITIONS
The ignition timing adjustment signal wire is shorted to the ground.

EFFECT
Limp-in

PROBABLE CAUSES
- Ignition timing adjustment signal wire circuit is shorted to the ground.
- Engine control module failed.