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Home >> Jeep >> 2005 >> Wrangler Rubicon, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 542 (Anti-Lock Brake System & Brake Controller - Electrical Diagnostics) >> DTC Troubleshooting >> Antilock Brake System & Electronic Stability Program >> C2204-Sensor Cluster Internal >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2005 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
  1. 1)  CHECK FOR A DTC C2204-SENSOR CLUSTER INTERNAL 
    NOTE: The Sensor Cluster is the same as the Dynamics sensor.
    NOTE: This DTC must be active for the results of this test to be valid.
    CAUTION: Ensure brake capability is available before road testing.

    Turn the ignition on.

    With the scan tool, read DTCs.

    Record DTC and Freeze Frame information.

    With the scan tool, erase DTCs.

    Test drive the vehicle.

    With the scan tool, read DTCs

    Does the scan tool display: C2204-SENSOR CLUSTER INTERNAL? 

    Yes 

    1. Go To step  2).

    No 

    1. Refer ABS-INTERMITTENT CONDITION .
    2. Perform ABS VERIFICATION TEST - VER 1 .
  2. 2)  CHECK THE WIRING HARNESS, TERMINALS, AND CONNECTORS 

    Check the Sensor Cluster installation and torque of the mounting bolts.

    Visually inspect the related wiring harness. Look for any bruised, chafed, pierced, or partially broken wires.

    Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.

    Were any problems found? 

    Yes 

    1. Repair as necessary.
    2. Perform ABS VERIFICATION TEST - VER 1 .

    No 

    1. Go To step  3).
  3. 3)  CHECK THE VOLTAGE ON THE (G4) SENSOR CLUSTER SUPPLY CIRCUIT 
    Fig 1: Checking Sensor Cluster Supply Circuit
    GC0026979Courtesy of DAIMLERCHRYSLER CORP.

    Turn the ignition off.

    Disconnect the Sensor Cluster harness connector.

    Turn the ignition on.

    Measure the voltage of the (G4) Sensor Cluster Supply Circuit.

    Is the voltage above 10 volts? 

    Yes 

    1. Go To step  7).

    No 

    1. Go To step  4).
  4. 4)  (G4) SENSOR CLUSTER SUPPLY CIRCUIT SHORT TO GROUND 
    Fig 2: Checking Sensor Cluster Supply Circuit
    GC0026980Courtesy of DAIMLERCHRYSLER CORP.

    Turn the ignition off.

    Disconnect the Anti-Lock Brake Module harness connector.

    Measure the resistance between ground and the (G4) Sensor Cluster Supply circuit.

    Is the resistance below 5.0 ohms? 

    Yes 

    1. Repair the (G4) Sensor Cluster Supply circuit for a short to ground.
    2. Perform ABS VERIFICATION TEST - VER 1 .

    No 

    1. Go To step  5).
  5. 5)  (G4) SENSOR CLUSTER SUPPLY CIRCUIT SHORT TO VOLTAGE 
    Fig 3: Checking Sensor Cluster Supply Circuit
    GC0026979Courtesy of DAIMLERCHRYSLER CORP.

    Turn the ignition on.

    Measure the voltage of the (G4) Sensor Cluster Supply circuit.

    Is there any voltage present? 

    Yes 

    1. Repair the (G4) Sensor Cluster Supply circuit for a short to voltage.
    2. Perform ABS VERIFICATION TEST - VER 1 .

    No 

    1. Go To step  6).
  6. 6)  (G4) SENSOR CLUSTER SUPPLY CIRCUIT OPEN 
    Fig 4: Checking Sensor Cluster Supply Circuit
    GC0026981Courtesy of DAIMLERCHRYSLER CORP.

    Turn the ignition off.

    Measure the resistance of the (G4) Sensor Cluster Supply circuit.

    Is the resistance below 5.0 ohms? 

    Yes 

    1. Replace the Anti-Lock Brake Module in accordance with the Service Information.
    2. Perform ABS VERIFICATION TEST - VER 1 .

    No 

    1. Repair the (G4) Sensor Cluster Supply circuit for an open.
    2. Perform ABS VERIFICATION TEST - VER 1 .
  7. 7)  CHECK THE RESISTANCE BETWEEN THE (G94) SENSOR CLUSTER GROUND CIRCUIT AND GROUND 
    Fig 5: Sensor Cluster Ground Circuit
    GC0026982Courtesy of DAIMLERCHRYSLER CORP.

    Turn the ignition off.

    Using a 12-volt test light connected to 12-volts, check the (G94) Sensor Cluster Ground Circuit at 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.

    Is the test light illuminated and bright? 

    Yes 

    1. Go To step  10).

    No 

    1. Go To step  8).
  8. 8)  (G94) SENSOR CLUSTER GROUND CIRCUIT SHORT TO VOLTAGE 
    Fig 6: Sensor Cluster Ground Circuit
    GC0026983Courtesy of DAIMLERCHRYSLER CORP.

    Turn the ignition off.

    Disconnect the Anti-Lock Brake Module harness connector.

    Turn the ignition on.

    Measure the voltage of the (G94) Sensor Cluster Ground circuit.

    Is there any voltage present? 

    Yes 

    1. Repair the (G94) Sensor Cluster Ground circuit for a short to voltage.
    2. Perform ABS VERIFICATION TEST - VER 1 .

    No 

    1. Go To step  9).
  9. 9)  (G94) SENSOR CLUSTER GROUND CIRCUIT OPEN 
    Fig 7: Sensor Cluster Ground Circuit
    GC0026984Courtesy of DAIMLERCHRYSLER CORP.

    Turn the ignition off.

    Measure the resistance of the (G94) Sensor Cluster Return circuit.

    Is the resistance below 5.0 ohms? 

    Yes 

    1. Replace the Anti-Lock Brake Module in accordance with the Service Information.
    2. Perform ABS VERIFICATION TEST - VER 1 .

    No 

    1. Repair the (G94) Sensor Cluster Ground circuit for an open.
    2. Perform ABS VERIFICATION TEST - VER 1 .
  10. 10)  CHECK THE DYNAMICS SENSOR OUTPUT 
    CAUTION: All previously removed connectors must be connected before test driving the vehicle.
    CAUTION: Ensure brake capability is available before road testing.

    Have an assistant test drive the vehicle while monitoring the Sensor Cluster operation.

    Was the Lateral Sensor output between 0.02 G to 0.16 G and the Yaw Sensor between 1.30° to 5.70° 

    Yes 

    1. Replace the Anti-Lock Brake Module in accordance with the Service Information.
    2. Perform ABS VERIFICATION TEST - VER 1 .

    No 

    1. Go To step  11).
  11. 11)  (D52) SENSOR CLUSTER HIGH DATA LINK CIRCUIT SHORT TO VOLTAGE 
    Fig 8: Checking Sensor Cluster High Data Link Circuit
    GC0026985Courtesy of DAIMLERCHRYSLER CORP.

    Turn the ignition off.

    Disconnect the Sensor Cluster harness connector.

    Disconnect the Anti-Lock Brake Module harness connector.

    Turn the ignition on.

    Measure the voltage of the (D52) Sensor Cluster High Data Link circuit.

    Is there any voltage present? 

    Yes 

    1. Repair the (D52) Sensor Cluster High Data Link circuit for a short to voltage.
    2. Perform ABS VERIFICATION TEST - VER 1 .

    No 

    1. Go To step  12).
  12. 12)  (D52) SENSOR CLUSTER HIGH DATA LINK CIRCUIT SHORT TO GROUND 
    Fig 9: Checking Sensor Cluster High Data Link Circuit
    GC0026986Courtesy of DAIMLERCHRYSLER CORP.

    Turn the ignition off.

    Measure the resistance between ground and the (D52) Sensor Cluster High Data Link circuit.

    Is the resistance below 5.0 ohms? 

    Yes 

    1. Repair the (D52) Sensor Cluster High Data Link circuit for a short to ground.
    2. Perform ABS VERIFICATION TEST - VER 1 .

    No 

    1. Go To step  13).
  13. 13)  CHECK THE (D52) SENSOR CLUSTER HIGH DATA LINK CIRCUIT FOR AN OPEN 
    Fig 10: Checking Sensor Cluster High Data Link Circuit
    GC0026987Courtesy of DAIMLERCHRYSLER CORP.

    Measure the resistance of the (D52) Sensor Cluster High Data Link circuit.

    Is the resistance below 5.0 ohms? 

    Yes 

    1. Go To step  14).

    No 

    1. Repair the (D52) Sensor Cluster High Data Link circuit for an open.
    2. Perform ABS VERIFICATION TEST - VER 1 .
  14. 14)  CHECK THE (D51) SENSOR CLUSTER LOW DATA LINK CIRCUIT FOR A SHORT TO VOLTAGE 
    Fig 11: Checking Sensor Cluster Low Data Link Circuit
    GC0026988Courtesy of DAIMLERCHRYSLER CORP.

    Turn the ignition on.

    Measure the voltage of the (D51) Sensor Cluster Low Data Link circuit.

    Is there any voltage present? 

    Yes 

    1. Repair the (D51) Sensor Cluster Low Data Link circuit for a short to voltage.
    2. Perform ABS VERIFICATION TEST - VER 1 .

    No 

    1. Go To step  15).
  15. 15)  CHECK THE (D51) SENSOR CLUSTER LOW DATA LINK CIRCUIT FOR A SHORT TO GROUND 
    Fig 12: Checking Sensor Cluster Low Data Link Circuit
    GC0026989Courtesy of DAIMLERCHRYSLER CORP.

    Turn the ignition off.

    Measure the resistance between ground and the (D51) Sensor Cluster Low Data Link circuit.

    Is the resistance below 5.0 ohms? 

    Yes 

    1. Repair the (D51) Sensor Cluster Low Data Link circuit for a short to ground.
    2. Perform ABS VERIFICATION TEST - VER 1 .

    No 

    1. Go To step  16).
  16. 16)  CHECK THE (D51) SENSOR CLUSTER LOW DATA LINK CIRCUIT FOR AN OPEN 
    Fig 13: Checking Sensor Cluster Low Data Link Circuit
    GC0026990Courtesy of DAIMLERCHRYSLER CORP.

    Measure the resistance of the (D51) Sensor Cluster Low Data Link circuit.

    Is the resistance below 5.0 ohms? 

    Yes 

    1. Replace the Sensor Cluster in accordance with the Service Information.
    2. Perform ABS VERIFICATION TEST - VER 1 .

    No 

    1. Repair the (D51) Sensor Cluster High Data Link circuit for an open.
    2. Perform ABS VERIFICATION TEST - VER 1 .
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