Main Relay (Computer/Fuel System): Testing and Inspection

POWERTRAIN CONTROL MODULE (PCM) POWER RELAY

NOTE: The IGN START/RUN and ground circuits, or the B+ and VPWR circuits may be reversed in the harness connector. Refer to the Wiring Diagrams for schematic and connector information.

POSSIBLE CAUSE
- Harness circuits: B+, IGN START/RUN, INJPWRM, ISP-R, PCMRC, VPWR and GND
- PCM power relay
- PCM






Injector (INJ) Connector

Step 1:

Powertrain Control Module Power (PCM Power) Relay Connector

Step 1-Step 6:

Step 7-Step 11:

Step 20: