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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 >> B1D56-Adjustable Pedal Sensor Circuit Low >> 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, record and erase DTCs.
    3. Cycle the ignition switch from off to on.
    4. Cycle the Adjustable Pedals Switch forward and rearward.
    5. Using the scan tool, read DTCs.

      Is the status active for this DTC?

      Yes 

      • Go to Step  2.

      No 

  2. CHECK CONNECTOR/TERMINAL FOR DAMAGE 
    NOTE: Check all terminals for broken, bent, pushed out, or corroded terminals.
    1. Turn the ignition off.
    2. Inspect the Seat Memory Module harness connector, Adjustable Pedals Sensor, and Adjustable Pedals Sensor harness connector.

      Is the Adjustable Pedals Sensor or any of the connectors/terminals damaged?

      Yes 

      No 

      • Go to Step  3.
  3. (G13) ADJUSTABLE PEDALS SENSOR SUPPLY CIRCUIT VOLTAGE 
    Fig 1: Probing Adjustable Pedals Sensor Supply Circuit At Memory Seat Module C1 Harness Connector Using 12V Test Light Connected To 12-Volts
    GC0096997Courtesy of CHRYSLER LLC
    1. Disconnect the Seat Memory Module harness connector.
    2. Disconnect the Adjustable Pedals Sensor harness connector.
    3. Using a 12-volt test light connected to 12-volts, probe the (G13) Adjustable Pedals Sensor Supply circuit at the Memory Seat Module C1 harness connector.

      Does the test light illuminate brightly?

      Yes 

      • Repair the (G13) Adjustable Pedals Sensor Supply circuit for a short to ground.
      • Perform the APS VERIFICATION TEST. See APS VERIFICATION TEST .

      No 

      • Go to Step  4.
  4. (G13) ADJUSTABLE PEDALS SENSOR SUPPLY CIRCUIT SHORT TO GROUND 
    Fig 2: Probing Adjustable Pedals Sensor Supply Circuit At Memory Seat Module C1 Harness Connector Using 12V Test Light Connected To 12-Volts
    GC0096997Courtesy of CHRYSLER LLC
    1. Connect a jumper wire between the (G13) Adjustable Pedals Sensor Supply circuit and ground at the Adjustable Pedal Sensor harness connector.
    2. Using a 12-volt test light connected to 12-volts, probe the (G13) Adjustable Pedals Sensor Supply circuit at the Memory Seat Module C1 harness connector.

      Does the test light illuminate brightly

      Yes 

      • Go to Step  5.

      No 

      • Repair the (G13) Adjustable Pedals Sensor Supply circuit for an open.
      • Perform the APS VERIFICATION TEST. See APS VERIFICATION TEST .
  5. (G14) ADJUSTABLE PEDALS SENSOR SUPPLY CIRCUIT OPEN 
    Fig 3: Probing Adjustable Pedals Sensor Signal Circuit At Memory Seat Module C1 Harness Connector Using 12V Test Light Connected To 12-Volts
    GC0096998Courtesy of CHRYSLER LLC
    1. Using a 12-volt test light connected to 12-volts, probe the (G14) Adjustable Pedals Sensor Signal circuit at the Memory Seat Module C1 harness connector.

      Does the test light illuminate brightly?

      Yes 

      • Repair the (G14) Adjustable Pedals Sensor Signal circuit for a short to ground.
      • Perform the APS VERIFICATION TEST. See APS VERIFICATION TEST .

      No 

      • Go to Step  6.
  6. (G14) ADJUSTABLE PEDALS SENSOR SIGNAL CIRCUIT SHORT TO GROUND 
    Fig 4: Probing Adjustable Pedals Sensor Signal Circuit At Memory Seat Module C1 Harness Connector Using 12V Test Light Connected To 12-Volts
    GC0096999Courtesy of CHRYSLER LLC
    1. Connect a jumper wire between the (G14) Adjustable Pedals Sensor Signal circuit and ground at the Adjustable Pedal Sensor harness connector.
    2. Using a 12-volt test light connected to 12-volts, probe the (G14) Adjustable Pedals Sensor Signal circuit at the Memory Seat Module C1 harness connector.

      Does the test light illuminate brightly?

      Yes 

      • Go to Step  7.

      No 

      • Repair the (G14) Adjustable Pedals Sensor Signal circuit for an open.
      • Perform the APS VERIFICATION TEST. See APS VERIFICATION TEST .
  7. (G13) ADJUSTABLE PEDALS SENSOR SIGNAL CIRCUIT FOR AN OPEN 
    Fig 5: Measuring Voltage Between Adjustable Pedals Sensor Supply Circuit & Ground At Adjustable Pedal Sensor Harness Connector
    GC0097000Courtesy of CHRYSLER LLC
    1. Measure the voltage between the (G13) Adjustable Pedals Sensor Supply circuit and ground at the Adjustable Pedal Sensor harness connector.

      Is the voltage between 4.0 and 5.0 volts?

      Yes 

      • Go to Step  8.

      No 

      • Replace and reprogram the Seat Memory Module in accordance with the Service Information.
      • Perform the APS VERIFICATION TEST. See APS VERIFICATION TEST .
  8. (G14) ADJUSTABLE PEDALS SENSOR SIGNAL CIRCUIT VOLTAGE 
    Fig 6: Measuring Voltage Of Adjustable Pedals Sensor Signal Circuit In Seat Memory Module C1 Harness Connector
    GC0097001Courtesy of CHRYSLER LLC
    1. Reconnect Adjustable Pedal Sensor harness connector.
    2. Turn ignition on.
    3. Measure the voltage of the (G14) Adjustable Pedals Sensor Signal circuit in the Seat Memory Module C1 harness connector.

      Is the voltage above 0.5 volts?

      Yes 

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

      No 

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