DTC 1-1-2 Ignition Control Module

1-1-2 IGNITION CONTROL MODULE FAULT

Condition(s) for DTC
^ When the engine is started, the Ignition Control Module (ICM) is checked by verifying the internal checksum. The module monitors the knock control circuit and Engine Coolant Temperature (ECT) Sensor conditions when the car is driven. The DTC is recorded it the ICM detects a program fault.

Substitute value
^ The ICM retards the timing in the event of a knock control circuit fault.

Fault source(s)
^ ICM fault.
^ ICM knock control circuit fault.
^ ICM ECT sensor circuit fault.

Fault symptom(s)
^ May cause impaired performance.