Prizm L4-108 1.8L DOHC VIN 8 MFI (1998)
An intermittent malfunction may be caused by a poor connection, rubbed through wire insulation, or a wire broken inside the insulation. Inspect harness
connectors for backed out terminals, improper mating, broken locks, improperly formed or damaged terminals and poor terminal-to-wire connections
before component replacement.
Use the following relay cavity table in order to locate the correct cavities to probe during diagnosis. The table layout corresponds to the cavity layout of
the relay block.
Test Description
The numbers below refer to the step numbers in the Diagnostic Table.
3. If other ICA functions are not working correctly check for an open GAUGE fuse or lack of power and ground to the ICA.
4. This test checks for an open MIL Control circuit for an internal PCM problem.
5. If the MIL does not illuminate when jumped the failure is internal to the ICA. Refer to Instrument Cluster System Check in Instrument Panel,
Gauges, and Console.
10. This step checks for an open EFI relay.
12. This step checks for open PCM ground circuits.
13. A shorted sensor reference voltage circuit may cause a no start and a no MIL condition.
