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Home >> Chevrolet >> 2003 >> Venture Base, Van Cargo Extended >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Engine Component Tests >> Fuel Systems >> Fuel Injector Circuit Diagnosis >> Test Description

Test Description

The numbers below refer to step numbers in diagnostic procedure.

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

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