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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> (Totally Integrated Power Module (TIPM) - Electrical Diagnostics) >> DTC Troubleshooting >> B2102-Ignition Run/Start Input Circuit High >> Diagnostic Test

Diagnostic Test

  1. CHECK FOR ACTIVE DIAGNOSTIC TROUBLE CODE (DTC) 
    1. Turn the ignition off.
    2. Using the scan tool, read active TIPM DTCs.

      Does the scan tool display this DTC as active?

      Yes 

      • Go To  2

      No 

      • The condition that caused this code to set is not present at this time. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched and partially broken wires. Also inspect the related connectors for broken, bent, pushed out, spread, corroded or contaminated terminals.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  2. CHECK THE (F20) IGNITION SWITCH OUTPUT (RUN-START) CIRCUIT FOR A SHORT TO BATTERY VOLTAGE 
    Fig 1: Checking Ignition Switch Output (Run-Start) Circuit For Short To Battery Voltage
    GC0102144Courtesy of CHRYSLER GROUP, LLC
    1. Turn the ignition off.
    2. Disconnect the TIPM C7 harness connector.
    3. Cycle the ignition on and off.
    4. Using a 12-volt test light connected to ground, check the (F20) Ignition Switch Output (Run-Start) circuit at the TIPM C7 harness connector.

      Does the test light illuminate brightly?

      Yes 

      • Repair the (F20) Ignition Switch Output (Run-Start) circuit for a short to battery voltage.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No 

      • Replace the Totally Integrated Power Module (TIPM) in accordance with the Service Information.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .