Test Description

The numbers below refer to the step numbers in the diagnostic procedures.

1. 4
   
   This step tests for voltage at the fuel injector harness connector. The INJ fuse supplies power to the coil side of the fuel injector harness connector. If the fuse is open, a short to ground on the fuel injector battery voltage supply circuit is indicated. The INJ fuse also supplies voltage to the ignition coils. If the fuse is open, inspect the circuits to the ignition coils for a short to ground.
2. 5
   
   This step verifies that the PCM is able to control the fuel injector. If the test lamp flashes, the PCM and the wiring are okay.
3. 6
   
   This step tests if a ground is constantly being applied to the fuel injector.