Diagnostic Aids

NOTE: After each service or repair procedure has been completed, reconnect all components. Clear DTCs and repeat QUICK TEST procedures to ensure all EEC-V systems are working properly and DTCs are no longer present.

Perform this test when instructed during QUICK TEST or if directed by other test procedures. This test is used to diagnose a faulty Powertrain Control Module (PCM).

NOTE: Proceed to DTC testing steps listed in FAULT CODE SETTING CONDITION table of fault code setting condition.

FAULT CODE SETTING CONDITION

Fault Code	KOEO	KOER	Continuous Memory
P0320	NC1		NC1

1) KOEO & Continuous Memory DTC P0320: Erratic Ignition

This DTC indicates that (2) successive erratic Profile Ignition Pulses (PIP) signals have occurred. Possible causes are:
- Loose Wires &/Or Connectors
- Short Circuit To Ground In Ignition Secondary System (Coil, Wires Or Plugs)
- Incorrect 2-Way Radio Installation
Ensure 2-way radio antenna and all harness connections are properly installed and routed. If any faults were present, repair as necessary. If vehicle will not start, go to TEST A . If fault is intermittent, go to TEST Z . If vehicle will start and no faults were present, check for missing PIP signal. Go to TEST JD .