Colt L4-1795cc 1.8L SOHC (1994)
Engine Control Module: Component Tests and General Diagnostics
Engine Control Module Power Ground
ECM Harness Inspection
TROUBLESHOOTING HINTS
If the ground wire of the engine control module is not connected securely to ground, the module will not operate correctly.
Idle Learn Procedure, Battery/Power Disconnect
1. Prior to connecting or disconnecting the negative battery cable, turn ignition switch and light switch off. Failure to do so may result in damage to
semiconductor parts.
2. After reconnecting negative battery terminal start and warm engine. Allow engine to idle for approximately 5 minutes under the following
conditions.
Engine coolant temperature 185 - 203°F (85 - 95°C)
Lights, electric fans, accessories OFF
Transaxle neutral
Steering wheel in center position