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Diagnostic Test

WARNING: This page is about a different car, the 2006 Dodge Magnum, 2006 Dodge Charger, and 2006 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
  1. 1)  COMPARE WHEEL SPEED SENSOR SIGNALS 
    WARNING: Ensure brake capability is available before road testing.

    With the scan tool, monitor ALL the WSS speeds while an assistant drives the vehicle.

    Slowly accelerate as straight as possible from a stop to 40 km/h (25 m.p.h.).

    Does the Left Rear WSS speed differ from the other WSS speeds by 8 km/h (5 m.p.h.) or show NO speed? 

    Yes 

    1. Go To  2).

    No 

    1. Refer to ABS INTERMITTENT CONDITION .
    2. Perform ABS VERIFICATION TEST - VER 1 .
  2. 2)  INSPECT TONE WHEEL/BEARING  

    Turn the ignition off.

    Visually inspect the tone wheel and bearing for damage.

    1. Check the tone wheel teeth for missing teeth, cracks, and looseness. The teeth must be perfectly square, not bent, or nicked. Check the wheel bearing for worn/looseness.

    Were any problems found? 

    Yes 

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

    No 

    1. Go To  3).
  3. 3)  CHECK WHEEL SPEED SENSOR WIRING 

    Check the Anti-Lock Brakes Module and Wheel Speed Sensors harness connectors for incorrectly wired connectors.

    Were any problems found? 

    Yes 

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

    No 

    1. Go To  4).
  4. 4)  LEFT REAR WHEEL SPEED SENSOR 

    Replace the Left Rear Wheel Speed Sensor in accordance with the Service Information.

    Perform ABS VERIFICATION TEST - VER 1 .

    CAUTION: Ensure brake capability is available before road testing.

    Road test the vehicle over 40 km/h (25 m.p.h.).

    NOTE: Vehicle must be driven above 40 km/h (25 m.p.h.) for set conditions to be meet.

    With the scan tool, read ABS DTCs.

    NOTE: The Anti-Lock Brake Module must sense ALL 4 wheels at 12 km/h (7.5 mph) before it will extinguish the ABS indicators.

    Did DTC C1048-LEFT REAR WHEEL PRESSURE PHASE MONITORING reset? 

    Yes 

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

    No 

    1. Test Complete.
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