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Diagnostic Test

WARNING: This page is about a different car, the 2006 Chrysler PT Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
  1. 1)  CHECK FOR ACTIVE DTC 

    With the scan tool, read the active DTC's.

    Cycle the ignition switch from off to on, leaving the ignition on for a minimum of 10 seconds.

    With the scan tool, read the active DTC's.

    Does the scan tool display this DTC as active? 

    Yes 

    1. Go To  2).

    No 

    1. If the DTC is stored, check for an intermittent condition. Using the wiring diagram/schematic as a guide, visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
  2. 2)  CHECK FOR ACTIVE DTC B2122-IGNITION RUN CONTROL 1 CIRCUIT LOW WITH THE OCCUPANT RESTRAINT CONTROLLER MODULE DISCONNECTED 
    Fig 1: ORC C2 Harness Connector
    GC0043546Courtesy of DAIMLERCHRYSLER CORP.

    Turn the ignition off.

    Disconnect the Occupant Restraint Controller Module C2 harness connector.

    Turn the ignition off, wait 10 seconds, and turn the ignition on.

    With the scan tool, erase TIPM DTCs.

    Turn the ignition off, wait 10 seconds, and turn the ignition on.

    With the scan tool, read TIPM DTCs.

    Does the scan tool display active: B2122-IGNITION RUN CONTROL 1 CIRCUIT LOW? 

    Yes 

    1. Go to  3).

    No 

    1. Replace the Occupant Restraint Controller Module in accordance with the service information.
    2. Perform BODY VERIFICATION TEST - VER 1. Refer to BODY VERIFICATION TEST - VER 1 .
  3. 3)  CHECK THE (F100) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT FOR A SHORT TO GROUND 
    Fig 2: TIPM C7 Harness Connector
    GC0043547Courtesy of DAIMLERCHRYSLER CORP.

    Turn the ignition off.

    Disconnect the TIPM C7 harness connector.

    Measure the resistance between ground and the (F100) Fused Ignition Switch Output (RUN) circuit.

    Is the resistance below 10K ohms? 

    Yes 

    1. Repair the (F100) Fused Ignition Switch Output (RUN) circuit for a short to ground.
    2. Perform BODY VERIFICATION TEST - VER 1. Refer to BODY VERIFICATION TEST - VER 1 .

    No 

    1. Replace the TIPM in accordance with the service information.
    2. Perform BODY VERIFICATION TEST - VER 1. Refer to BODY VERIFICATION TEST - VER 1 .