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Home >> Chrysler >> 2009 >> 300 C, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Memory Modules >> Memory Seat Module (MSMD) - Electrical Diagnostics >> DTC Troubleshooting >> B1D5B-Adjustable Pedal Switch Circuit Performance >> Diagnostic Test

Diagnostic Test

  1. DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE 
    NOTE: This DTC must be active for the results of this test to be valid.
    1. Turn the ignition on.
    2. Using the scan tool, select view DTCs. Record all DTC information.
    3. Using the scan tool, clear stored DTCs.
    4. Cycle the ignition switch off then on.
    5. Move the Adjustable Pedals Switch forward and rearward several times.
    6. Using the scan tool, select view DTCs.

      Is the status active for this DTC?

      Yes 

      • Go to Step  2.

      No 

  2. WIRING HARNESS CONNECTOR/TERMINALS 
    1. Turn the ignition off.
    2. Disconnect the Memory Seat Module harness connector.
    3. Disconnect the Adjustable Pedals Switch harness connector.
    4. Inspect the wiring harness, connectors and terminals.

      Were any problems found?

      Yes 

      No 

      • Go to Step  3.
  3. (Q103) ADJUSTABLE PEDALS SWITCH REARWARD CIRCUIT SHORT TO GROUND 
    Fig 1: Probing Adjustable Pedals Switch Rearward Circuit At Memory Seat Module C5 Harness Connector Using 12V Test Light Connected To 12-Volts
    GC0097005Courtesy of CHRYSLER LLC
    1. Disconnect the Memory Seat Module harness connector.
    2. Disconnect the Adjustable Pedals Switch harness connector.
    3. Using a 12-volt test light connected to 12-volts, probe the (Q103) Adjustable Pedals Switch Rearward circuit at the Memory Seat Module C5 harness connector.

      Does the test light illuminate brightly?

      Yes 

      • Repair the (Q103) Adjustable Pedals Switch Rearward circuit for a short to ground.
      • Perform the APS VERIFICATION TEST. See APS VERIFICATION TEST .

      No 

      • Go to Step  4.
  4. (Q102) ADJUSTABLE PEDALS SWITCH FORWARD CIRCUIT SHORT TO GROUND 
    Fig 2: Probing Adjustable Pedals Switch Rearward Circuit At Memory Seat Module C5 Harness Connector Using 12V Test Light Connected To 12-Volts
    GC0097006Courtesy of CHRYSLER LLC
    1. Using a 12-volt test light connected to 12-volts, probe the (Q102) Adjustable Pedals Switch Rearward circuit at the Memory Seat Module C5 harness connector.

      Does the test light illuminate brightly?

      Yes 

      • Repair the (Q102) Adjustable Pedals Switch Forward circuit for a short to ground.
      • Perform the APS VERIFICATION TEST. See APS VERIFICATION TEST .

      No 

      • Go to Step  5.
  5. (Q103) ADJUSTABLE PEDALS SWITCH REARWARD CIRCUIT SHORT TO THE (Q102) ADJUSTABLE PEDALS SWITCH FORWARD CIRCUIT 
    Fig 3: Measuring Resistance Between Adjustable Pedals Sw Rearward Circuit & Adjustable Pedals Sw Forward Circuit At Mem Seat Module C5 Harness Conn
    GC0097007Courtesy of CHRYSLER LLC
    1. Measure the resistance between the (Q103) Adjustable Pedals Switch Rearward circuit and the (Q102) Adjustable Pedals Switch Forward circuit at the Memory Seat Module C5 harness connector.

      Is the resistance below 5.0 ohms?

      Yes 

      • Repair the (Q103) Adjustable Pedals Switch Rearward circuit for a short to the (Q102) Adjustable Pedals Switch Forward circuit.
      • Perform the APS VERIFICATION TEST. See APS VERIFICATION TEST .

      No 

      • Go to Step  6.
  6. ADJUSTABLE PEDALS SWITCH 
    1. Measure the resistance between the (Q103) Adjustable Pedals Switch Rearward circuit and (Q102) Adjustable Pedals Switch Forward circuit at the terminals of the Adjustable Pedals Switch harness connector.

      Is the resistance below 5.0 ohms?

      Yes 

      • Replace the Adjustable Pedals Switch in accordance with the Service Information.
      • Perform the APS VERIFICATION TEST. See APS VERIFICATION TEST .

      No 

      • Replace the Memory Seat Module in accordance with the Service Information.
      • Perform the APS VERIFICATION TEST. See APS VERIFICATION TEST .