Diagnostics Procedures

WARNING: This page is about a different car, the 2004 Dodge Pickup and 2004 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Refer to VERIFICATION TESTS for appropriate verification test procedures.

Turn the ignition off.
Disconnect the PCM harness connectors.

Using a 12-volt test light connected to ground, probe the (A14) PCM Fused B+ circuit in the PCM harness connector.

Does the test light illuminate brightly?
1. Yes --> Go To 2
2. No --> Repair the open in the (A14) Fused B+ circuit. Inspect the related fuse and repair as necessary.
  Perform POWERTRAIN VERIFICATION TEST VER - 1 .
Turn the ignition off.
Disconnect the PCM harness connectors.

Ignition on, engine not running.

Using a 12-volt test light connected to ground, probe the (Y135) PCM Fused Ignition Switch Output circuit in the PCM harness connector.

Does the test light illuminate brightly?
1. Yes --> Go To 3
2. No --> Repair the open in the (Y135) Fused Ignition Switch Output circuit.
  Perform POWERTRAIN VERIFICATION TEST VER - 1 .
Turn the ignition off.
Using a 12-volt test light connected to battery voltage, probe the (Z81) (Z82) PCM ground circuits in the PCM harness connector.

Does the test light illuminate brightly?
1. Yes --> Test Complete.
2. No --> Repair the open in the PCM ground circuits.
  Perform POWERTRAIN VERIFICATION TEST VER - 1 .