Test Description

The numbers below refer to step numbers in diagnostic procedure.

1. 4
   
   This step tests for a short to ground on Ignition 1 Voltage Supply circuit of fuel injector.
2. 5
   
   This step tests for a short to a PCM ground on Ignition 1 Voltage Supply circuit of fuel injector.
3. 6
   
   This step tests for a short to ground between multi-way connector and fuel injectors.
4. 7
   
   This step tests for an open or high resistance between multi-way connector and fuel injectors.