Diagnostic Procedure

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.

Check for any related TSBs.
Ignition on, engine not running.

With the DRBIII®, read DTCs and record the related Freeze Frame data.

Is the Good Trip Counter displayed and equal to zero?
1. Yes --> Go To 2
2. No --> Refer to the SYMPTOM: INTERMITTENT CONDITION Symptom (Diagnostic Procedure).
  Perform POWERTRAIN VERIFICATION TEST VER - 5 .
Turn the ignition off.
Disconnect the Evap Purge Solenoid connector.

Measure the resistance between the terminals of the Evap Purge Solenoid.

Is the resistance between 29.0 and 44.0 ohms?
1. Yes --> Go To 3
2. No --> Replace the Evap Purge Solenoid.
  Perform POWERTRAIN VERIFICATION TEST VER - 5 .
Ignition on, engine not running.
Using a 12-volt test light connected to ground, probe the (Y134) Fused Ignition Switch Output circuit.

Does the test light illuminate brightly?
1. Yes --> Go To 4
2. No --> Repair the excessive resistance or short to ground in the (Y134) Fused Ignition Switch Output circuit. Inspect related fuse and repair as necessary.
  Perform POWERTRAIN VERIFICATION TEST VER - 5 .
Turn the ignition off.
Disconnect the PCM harness connectors.

NOTE: Check connectors - Clean/repair as necessary.

Measure the resistance of the (K52) Evap Purge Solenoid Control circuit from the PCM harness connector to the Evap Purge Solenoid harness connector.

Is the resistance below 5.0 ohms?
1. Yes --> Go To 5
2. No --> Repair the open in the (K52) Evap Purge Solenoid Control circuit.
  Perform POWERTRAIN VERIFICATION TEST VER - 5 .
Measure the resistance between ground and the (K52) Evap Purge Solenoid Control circuit.
Is the resistance below 100 ohms?
1. Yes --> Repair the short to ground in the (K52) Evap Purge Solenoid Control circuit.
  Perform POWERTRAIN VERIFICATION TEST VER - 5 .
2. No --> Go To 6

NOTE: Before continuing, check the PCM harness connector terminals for corrosion, damage, or terminal push out. Repair as necessary.

Using the schematics as a guide, inspect the wire harness and connectors. Pay particular attention to all Power and Ground circuits.
If there are no possible causes remaining, view repair.
1. Repair
  1. Replace and program the Powertrain Control Module per Service Information.
  2. Perform POWERTRAIN VERIFICATION TEST VER - 5 .