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Home >> Chrysler >> 2009 >> PT Cruiser Base, Automatic >> Repair and Diagnosis >> Engine Performance >> Ignition System >> (Totally Integrated Power Module (TIPM) - Electrical Diagnostics) >> DTC Troubleshooting >> B2123-Ignition Run Control 1 Circuit High >> Diagnostic Test

Diagnostic Test

  1. CHECK FOR ACTIVE DTC 
    1. With the scan tool, record and erase DTCs.
    2. Cycle the ignition switch from off to on, leaving the ignition off for a minimum of 30 seconds.
    3. With the scan tool, read the active DTCs.

      Does the scan tool display this DTC as active?

      Yes 

      • Go to step  2

      No 

  2. CHECK FOR ACTIVE DTC B2123-IGNITION RUN CONTROL 1 CIRCUIT HIGH WITH THE OCCUPANT RESTRAINT CONTROLLER MODULE DISCONNECTED 
    Fig 1: Checking Ignition Run Control 1 Circuit
    GC0117457Courtesy of CHRYSLER LLC
    WARNING: To avoid possible serious or fatal injury, turn the ignition off, disconnect the battery and wait two minutes before proceeding.
    1. Turn the ignition off.
    2. Disconnect the ORC C2 harness connector.
    3. Turn the ignition on.
    4. Reconnect the battery.
    5. With the scan tool, read DTCs.

      Does the scan tool display active: B2123-IGNITION RUN CONTROL 1 CIRCUIT HIGH?

      Yes 

      • Go to step  3

      No 

  3. CHECK THE (F100) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT FOR A SHORT TO VOLTAGE 
    Fig 2: Checking Fused Ignition Switch Output (Run) Circuit
    GC0117459Courtesy of CHRYSLER LLC
    1. Turn the ignition off.
    2. Disconnect the TIPM C7 harness connector.
    3. Turn the ignition on.
    4. Measure the voltage of the (F100) Fused Ignition Switch Output (RUN) circuit.

      Is the voltage above 10 volts?

      Yes 

      No