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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 488 ((Totally Integrated Power Module (TIPM) - Electrical Diagnostics)) >> DTC Troubleshooting >> C1002-Brake Pedal Switch 1 Circuit High >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2013 Dodge Avenger and 2013 Chrysler 200. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FOR AN ACTIVE DTC 
    NOTE:

    If any Brake Switch DTCs are present in the PCM, diagnose those DTCs before continuing.

    NOTE:

    Verify the Stop Lamp Switch is properly adjusted before continuing.

    1. Ignition on, engine not running.
    2. With a scan tool, read DTCs.

      Does the scan tool display this DTC as active?

      Yes 

      • Go To  2

      No 

      • The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Repair as necessary.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  2. STOP LAMP SWITCH 
    Fig 1: Checking Stop Lamp Switch Circuit
    GC0100262Courtesy of CHRYSLER GROUP, LLC
    1. Turn the ignition off.
    2. Disconnect the Stop Lamp Switch.
    3. Measure the resistance between the (A924) Fused B+ terminal and the (L53) Brake Lamp Control Output terminal in the Stop Lamp Switch.
    4. Apply and release the brake pedal while monitoring the ohmmeter.

      Does the resistance change from below 5.0 Ohms to an open circuit?

      Yes 

      • Go To  3

      No 

      • Replace the Stop Lamp Switch.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  3. CHECK THE (L53) BRAKE LAMP CONTROL OUTPUT CIRCUIT FOR A SHORT TO VOLTAGE 
    Fig 2: Checking Brake Lamp Switch Output Circuit For Short To Voltage
    GC0100263Courtesy of CHRYSLER GROUP, LLC
    1. Reconnect the Stop Lamp Switch.
    2. Disconnect the Totally Integrated Power Module (TIPM) C3 harness connector.
    3. Turn the ignition on.
    4. Using a 12-volt test light connected to ground, check the (L53) Brake Lamp Control Output circuit in the Totally Integrated Power Module (TIPM) C3 harness connector while pressing and releasing the brake pedal several times.

      Does the test light change from illuminated when the pedal is pressed to not illuminated when the pedal is released?

      Yes 

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

      No 

      • Repair the (L53) Brake Lamp Control Output circuit for a short to voltage.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
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