C1042-RIGHT FRONT TONE WHEEL PERFORMANCE
For a complete wiring diagram, refer to the Wiring Information.
Possible Causes
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DIRTY TONE WHEEL/SENSOR
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IMPROPER RIGHT FRONT TIRE PRESSURE/MISMATCHED TIRES
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RIGHT FRONT TONE WHEEL/BEARING DAMAGE
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1.
CHECK FOR A
DTC C1042-RIGHT FRONT TONE WHEEL PERFORMANCE
| NOTE: |
This DTC must be active
for the results of this test to be valid.
|
| 2. |
With the scan tool,
read DTCs.
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| 3. |
Record DTC and
Freeze Frame information.
|
| 4. |
With the scan tool,
erase DTCs.
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| 5. |
Cycle the ignition
switch off then on.
|
| CAUTION: |
Make sure braking capability is
available before road testing.
|
| 6. |
Test drive the
vehicle in a straight line to 40 km/h (25 mph).
|
| NOTE: |
Vehicle must be driven
above 40 km/h (25 mph) for set conditions to be met.
|
| 7. |
With the scan tool,
read DTCs.
|
Does
the scan tool display: C1042-RIGHT FRONT TONE WHEEL PERFORMANCE?
Yes
No
2.
CHECK WHEEL
SPEED SENSOR SIGNALS
| 2. |
With the scan tool,
monitor and graph ALL the WSS speeds and compare graph while an assistant
drives the vehicle.
|
| NOTE: |
If graph shows periodic
dropouts pay close attention to the tone wheel.
|
| 3. |
Slowly accelerate
as straight as possible from a stop to 40 km/h (25 mph).
|
Is the
Right Front WSS speed showing 0 km/h (0 mph) or not matching other
wheels or showing erratic behavior?
Yes
No
3.
CHECK FOR IMPROPER
RIGHT FRONT TIRE PRESSURE/MISMATCHED TIRES
| 1. |
Turn the ignition
off.
|
| 2. |
Check and adjust
the Right Front Tire pressure.
|
| 3. |
Check and adjust
all other tire pressures.
|
| 4. |
Inspect for mismatched
tires on vehicle.
|
Is the
Right Front Tire improperly inflated or mismatched tires on vehicle?
Yes
No
4.
CHECK THE RIGHT
FRONT TONE WHEEL/BEARING FOR DAMAGE
| NOTE: |
Check the tone wheel
teeth for missing teeth, cracks, or looseness. Teeth should be perfectly
square, not bent, or nicked.
|
| 1. |
Check the Right
Front Tone Wheel/Bearing for damage.
|
| 2. |
Check the Right
Front Tone Wheel for dirt.
|
Was
the tone wheel dirty?
Yes
No