MFI Control Module

1-1-2 MULTIPORT FUEL INJECTION CONTROL MODULE FAULT

Condition(s) for DTC
^ When the engine is started, the MFI module program is checked by verifying the internal checksum. A DTC is recorded it the module detects a fault.

Substitute value
^ None.

Fault source(s)
^ MFI module fault.

Fault symptom(s)
^ None.

TESTING PROCEDURE





Check status message
^ Permanent fault.
^ Intermittent fault.





Permanent fault
^ Switch OFF ignition.
^ Try with new module.





Intermittent fault
^ Erase DTC
^ MFI module has earlier computed internal checksum incorrectly.
^ Erase DTC.