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Home >> Chrysler >> 2011 >> 300 Base, Gas >> Repair and Diagnosis >> External Pages >> Different car >> Section 184 (Anti-Lock Brake System (Abs) - Electrical Diagnostics - 3500 Cab & Chassis, 4500 & 5500) >> Diagnosis And Testing >> C1213-G Sensor Input Signal Stuck >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2012 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. VERIFY DTC IS ACTIVE 
    1. Ignition on, engine not running.
    2. With the scan tool, read and record ABS DTC's.
    3. With the scan tool, read and record Environmental Data (EV Data).
    4. With the scan tool, erase ABS DTC's.
    5. Cycle the ignition switch.
      WARNING:

      To avoid possible serious or fatal injury, check brake capability is available before road testing.

    6. Test drive the vehicle by turning the vehicle left or right in a curving manner at a velocity between 10 and 20 km/hr (6 and 12 m.p.h.).
    7. Park the vehicle.
    8. With the scan tool, read ABS DTC's.

      Does this DTC reset?

      Yes 

      • Go To  2.

      No 

  2. CHECK THE DYNAMICS SENSOR INSTALLATION 
    NOTE:

    Dynamics Sensor installation and mounting bolt torque is crucial for proper operation.

    1. Turn the ignition off to the lock position.
    2. Check the Dynamics Sensor for damaged, modified, and bent mounting brackets.
    3. Check the Dynamics Sensor mounting bolts for a loose or over tightened condition.

      Were any problems found?

      Yes 

      No 

      • Go To  3.
  3. (F941) DYNAMICS SENSOR FUSED IGNITION SWITCH OUTPUT (RUN/START) CIRCUIT FOR AN OPEN 
    Fig 1: Checking Dynamics Sensor Fused Ignition Switch Output (Run/Start) Circuit For An Open
    GC0090002Courtesy of CHRYSLER GROUP, LLC
    1. Disconnect the Dynamics Sensor harness connector.
    2. Ignition on, engine not running.
      NOTE:

      Check connector - Clean/repair as necessary.

    3. Using a 12-volt test light connected to ground, check the (F941) Dynamics Sensor Fused Ignition Switch Output (RUN/START) Circuit in the ABS Module harness connector.
      NOTE:

      The test light should be illuminated and bright. Compare the brightness to that of a direct connection to the battery.

      Does the test light illuminate brightly?

      Yes 

      • Go To  4.

      No 

      • Repair the (F941) Dynamics Sensor Fused Ignition Switch Output (RUN/START) circuit for an open or high resistance.
      • Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .
  4. (Z911) GROUND CIRCUIT FOR AN OPEN 
    Fig 2: Checking Dynamics Sensor Ground Circuit For An Open
    GC0090003Courtesy of CHRYSLER GROUP, LLC
    1. Turn the ignition off to the lock position.
    2. Using a 12-volt test light connected to B+, check the (Z911) Ground Circuit in the Dynamics Sensor harness connector.
      NOTE:

      The test light should be illuminated and bright. Compare the brightness to that of a direct connection to the battery.

      Does the test light illuminate brightly?

      Yes 

      • Go To  5.

      No 

      • Repair the (Z911) Ground Circuit for an open or high resistance.
      • Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .
  5. (D465) DYNAMICS SENSOR HIGH DATA LINK CIRCUIT SHORTED TO THE (D464) DYNAMICS SENSOR LOW DATA LINK CIRCUIT 
    Fig 3: Checking Dynamics Sensor High Data Link Circuit For A Short To The Dynamics Sensor Low Data Link Circuit
    GC0090004Courtesy of CHRYSLER GROUP, LLC
    1. Turn the ignition off to the lock position.
    2. Measure the resistance between the (D465) Dynamics Sensor High Data circuit and the (D464) Dynamics Sensor Low Data circuit at the Dynamics Sensor harness connector.

      Is the resistance above 5 Ohms?

      Yes 

      • Go To  6.

      No 

      • Repair the short between (D465) Dynamics Sensor High Data circuit and the (D464) Dynamics Sensor Low Data circuit.
      • Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .
  6. (D465) DYNAMICS SENSOR HIGH DATA LINK CIRCUIT FOR A SHORT TO VOLTAGE 
    Fig 4: Checking Dynamics Sensor High Data Link Circuit For A Short To Voltage
    GC0090005Courtesy of CHRYSLER GROUP, LLC
    1. Ignition on, engine not running.
    2. Measure the voltage between ground and (D465) Dynamics Sensor High Data Link circuit in the Dynamics Sensor harness connector.

      Is there any voltage present?

      Yes 

      • Repair the (D465) Dynamics Sensor High Data Link circuit for a short to voltage.
      • Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .

      No 

      • Go To  7.
  7. (D465) DYNAMICS SENSOR HIGH DATA LINK CIRCUIT FOR AN OPEN 
    Fig 5: Checking Dynamics Sensor High Data Link Circuit For An Open
    GC0090006Courtesy of CHRYSLER GROUP, LLC
    1. Turn the ignition off to the lock position.
    2. Measure the resistance of the (D465) Dynamics Sensor High Data Link circuit between the ABS Module harness connector and the Dynamics Sensor harness connector.

      Is the resistance above 5 Ohms?

      Yes 

      • Repair the (D465) Dynamics Sensor High Data Link Circuit for an open.
      • Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .

      No 

      • Go To  8.
  8. (D465) DYNAMICS SENSOR HIGH DATA LINK CIRCUIT FOR A SHORT TO GROUND 
    Fig 6: Checking Dynamics Sensor High Data Link Circuit For Short To Ground
    GC0137217Courtesy of CHRYSLER GROUP, LLC
    1. Measure the resistance between ground and the (D465) Dynamics Sensor High Data Link circuit in the Dynamics Sensor harness connector.

      Is the resistance below 5 Ohms?

      Yes 

      • Repair the (D465) Dynamics Sensor High Data Link CIRCUIT FOR A SHORT TO GROUND.
      • Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .

      No 

      • Go To  9.
  9. (D464) DYNAMICS SENSOR LOW DATA LINK CIRCUIT FOR A SHORT TO VOLTAGE 
    Fig 7: Checking Dynamics Sensor Low Data Link Circuit For A Short To Voltage
    GC0090008Courtesy of CHRYSLER GROUP, LLC
    1. Ignition on, engine not running.
    2. Measure the voltage between ground and (D464) Dynamics Sensor Low Data Link circuit in the Dynamics Sensor harness connector.

      Is there any voltage present?

      Yes 

      • Repair the (D464) Dynamics Sensor Low Data Link circuit for a short to voltage.
      • Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .

      No 

      • Go To  10.
  10. (D464) DYNAMICS SENSOR LOW DATA LINK CIRCUIT FOR AN OPEN 
    Fig 8: Checking Dynamics Sensor Low Data Link Circuit For An Open
    GC0090009Courtesy of CHRYSLER GROUP, LLC
    1. Turn the ignition off to the lock position.
    2. Measure the resistance of the (D464) Dynamics Sensor Low Data Link circuit between the ABS Module harness connector and the Dynamics Sensor harness connector.

      Is the resistance above 5 Ohms?

      Yes 

      • Repair the (D464) Dynamics Sensor High Data Link circuit for an open.
      • Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .

      No 

      • Go To  11.
  11. (D464) DYNAMICS SENSOR LOW DATA LINK CIRCUIT FOR A SHORT TO GROUND 
    Fig 9: Checking Dynamics Sensor Low Data Link Circuit For A Short To Ground
    GC0090010Courtesy of CHRYSLER GROUP, LLC
    1. Measure the resistance of the (D464) Dynamics Sensor Low Data circuit from the Dynamics Sensor harness connector to ground.

      Is the resistance below 5 Ohms?

      Yes 

      • Repair the (D464) Dynamics Sensor Return CIRCUIT FOR A SHORT TO GROUND.
      • Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .

      No 

      • Replace the Dynamics Sensor in accordance with the Service Information.
      • Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .
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