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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 237 (Anti-Lock Brake System & Adjustable Pedals - Electrical Diagnostics) >> Electrical Diagnostics >> Adjustable Pedals >> DTC Troubleshooting >> B1D68-Adjustable Pedal Control Circuit Low >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2008 Dodge Magnum, 2008 Dodge Charger, and 2008 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
  1. DTC IS ACTIVE 

    Turn the ignition on.

    With the scan tool, select view DTCs. Record DTC and DTC Environmental data.

    With the scan tool, clear stored DTCs.

    Cycle the ignition switch off then on.

    WARNING: Apply the parking brake. The vehicle may roll when the Transmission is shifted out of Park.

    Shift into Reverse for at least 5 seconds, then move the shifter back into Park.

    With the scan tool, select view DTCs.

    Does the scan tool display this DTC as active? 

    Yes 

    1. Go To  2.

    No 

    1. Refer to the APS-INTERMITTENT CONDITION .
  2. CHECK ADJUSTABLE PEDALS SWITCH STATUS 

    Turn the ignition off.

    Disconnect the Adjustable Pedals Switch harness connector.

    Visually inspect the connector terminals for damage or corrosion.

    Turn the ignition on.

    With the scan tool, select view DTCs. Record DTC and DTC Environmental data.

    With the scan tool, clear stored DTCs.

    Cycle the ignition switch off then on.

    WARNING: Apply the parking brake. The vehicle may roll when the Transmission is shifted out of Park.

    Shift into Reverse for at least 5 seconds, then move the shifter back into Park.

    With the scan tool, select view DTCs.

    Does the scan tool display this DTC as active? 

    Yes 

    1. Go To  3.

    No 

    1. Replace the Adjustable Pedals Switch in accordance with the Service Information.
    2. Perform APS VERIFICATION TEST .
  3. (A72) ADJUSTABLE PEDALS CONTROL CIRCUIT SHORTED TO GROUND (TIPM) 
    Fig 1: Measuring Resistance Between Ground & (A72) Adjustable Pedals Control Circuit At Adjustable Pedals Switch Harness Connector
    GC0070068Courtesy of CHRYSLER LLC

    Turn the ignition off.

    Disconnect the TIPM C2 harness connector.

    Measure the resistance between ground and the (A72) Adjustable Pedals Control circuit at the Adjustable Pedals Switch harness connector.

    Is the resistance below 5.0 ohms? 

    Yes 

    1. Repair the (A72) Adjustable Pedals Control circuit for a short to ground.
    2. Perform APS VERIFICATION TEST .

    No 

    1. Replace the Totally Integrated Power Module in accordance with the Service Information.
    2. Perform APS VERIFICATION TEST .
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