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Home >> Chrysler >> 2007 >> Sebring Base, 2.4 K >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Ignition Control - Electrical Diagnostics >> DTC Troubleshooting >> B2188-Ignition Start Control Circuit Low >> Diagnostic Test

Diagnostic Test

  1. 1) CHECK FOR ACTIVE DTC 

    With the scan tool, read the 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 DTC's.

    Does the scan tool display this DTC as active? 

    Yes 

    1. Go to step  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 TIPM FOR INTERNAL SHORT 
    Fig 1: Check TIPM For Internal Short
    GC0058979Courtesy of CHRYSLER LLC

    Turn the ignition off.

    Disconnect the TIPM C5 harness connector.

    Turn the ignition on, wait 30 seconds.

    With the scan tool, read TIPM DTCs.

    Does the scan tool display this DTC as active? 

    Yes 

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

    No 

    1. Go to step  3).
  3. 3) VEHICLE EQUIPPED WITH DIESEL OR GAS ENGINE 

    Which type of engine is the vehicle equipped with? 

    Gas 

    1. Go to step  4).

    Diesel 

    1. Go to step  5).
  4. 4) (GAS) CHECK (F962) IGNITION SWITCH OUTPUT (START) CIRCUIT FOR A SHORT TO GROUND 
    Fig 2: Measuring Resistance Between Ground And (F962) Ignition Switch Output (Start) Circuit
    GC0058980Courtesy of CHRYSLER LLC

    Turn the ignition off.

    Disconnect the PCM C1 harness connector.

    Measure the resistance between ground and the (F962) Ignition Switch Output (Start) circuit.

    Is the resistance below 10K ohms? 

    Yes 

    1. Repair the (F962) Ignition Switch Output (Start) circuit for a short to ground.
    2. Perform BODY VERIFICATION TEST - VER 1 .

    No 

    1. Replace the PCM in accordance with the service information.
    2. Perform BODY VERIFICATION TEST - VER 1 .
  5. 5) (DIESEL) CHECK (F962) IGNITION SWITCH OUTPUT (START) CIRCUIT FOR A SHORT TO GROUND 
    Fig 3: Measuring Resistance Between Ground And (F962) Ignition Switch Output (Start) Circuit
    GC0058981Courtesy of CHRYSLER LLC

    Turn the ignition off.

    Disconnect the ECM C1 harness connector.

    Measure the resistance between ground and the (F962) Ignition Switch Output (Start) circuit.

    Is the resistance below 10K ohms? 

    Yes 

    1. Repair the (F962) Ignition Switch Output (Start) circuit for a short to ground.
    2. Perform BODY VERIFICATION TEST - VER 1 .

    No 

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