LEMON Manuals: Even more car manuals for everyone
Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> (Totally Integrated Power Module (TIPM) - Electrical Diagnostics) >> DTC Troubleshooting >> B219A-Ignition Unlock Run/Start Control Circuit OVERCURRENT >> 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  2

      No 

      • Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  2. CHECK FOR AN INTERNAL CONCERN WITH ESM/SHIFT LEVER ASSEMBLY 
    1. Turn the ignition off.
    2. Disconnect the Shift Lever Assembly harness connector.
    3. Turn the ignition on.
    4. Cycle the ignition switch from off to on, leaving the ignition off for a minimum of 30 seconds.
    5. With the scan tool, read the active DTCs.

      Does the scan tool display this DTC as active?

      Yes 

      • Go To  3

      No 

  3. CHECK THE (F1) IGNITION SWITCH OUTPUT (UNLOCK-RUN-START) CIRCUIT FOR A SHORT TO GROUND 
    Fig 1: Checking Ignition Switch Output (Run-Start) Circuit For A Short To Ground
    GC0151583Courtesy of CHRYSLER GROUP, LLC
    1. Turn the ignition off.
    2. Disconnect the TIPM C1 harness connector.
    3. Measure the resistance between ground and the (F1) Ignition Switch Output (Unlock-Run-Start) circuit.

      Is the resistance above 10k Ohms?

      Yes 

      No 

      • Repair the short to ground in the (F1) Ignition Switch Output (Unlock-Run-Start) circuit.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .