LEMON Manuals: Even more car manuals for everyone
Home >> Chrysler >> 2006 >> PT Cruiser Base, 2D Convertible, Standard >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> 1.6L Engine - DTCS P2138 To U0168 & Verification Tests >> Diagnosis And Testing >> *Checking Pcm Power And Ground Circuits >> Diagnostic Test

Diagnostic Test

  1. 1)  PCM FUSED B+ CIRCUIT 

    Turn the ignition off.

    Disconnect the PCM harness connector.

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

    Does the test light illuminate brightly? 

    Yes 

    1. Go To step  2).

    No 

    1. Repair the Fused B+ circuit.
    2. Perform the POWERTRAIN VERIFICATION TEST. (Refer to STANDARD PROCEDURE - POWERTRAIN VERIFICATION TEST)  .
  2. 2)  PCM FUSED IGNITION SW OUTPUT CKT 

    Turn the ignition on.

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

    Does the test light illuminate brightly? 

    Yes 

    1. Go To step  3).

    No 

    1. Repair the Ignition Switch Output circuit
    2. Perform the POWERTRAIN VERIFICATION TEST. (Refer to STANDARD PROCEDURE - POWERTRAIN VERIFICATION TEST)  .
  3. 3)  PCM GROUND CIRCUITS 

    Turn the ignition off.

    Using a 12-volt test light connected to battery voltage, probe each of the PCM ground circuits in the PCM harness connector.

    Does the test light illuminate brightly for each circuit? 

    Yes 

    1. Test Complete.

    No 

    1. Repair the PCM ground circuits.
    2. Perform the POWERTRAIN VERIFICATION TEST. (Refer to STANDARD PROCEDURE - POWERTRAIN VERIFICATION TEST)  .
scientia non olet · About LEMON Manuals