23 · Diagnostics

Magnetic wheel error

Make: Fiat
Model: Panda Factory Service Manual
Year: 2003–2012
Section: Examiner › Magnetic wheel error

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Fault diagnosisMagnetic wheel error

MAGNETIC WHEEL ERROR

The diagnostic equipment signals one or more of the following errors: "C1042 - Right front magnetic wheel", C1037 - Left front magnetic wheel, C1052 - Right rear magnetic wheel, C1047 - Left rear magnetic wheel

This error is signalled if there is a lack of impulses for the speed signal for one of the wheels

1	FLYWHEEL TRACK CHECK	All OK	Problems encountered	Operation
	Check the condition of the flywheel, removing the wheel if necessary. Check that there are no metal shavings on the flywheel magnetic tracks. Check that all the small magnets are correctly positioned.	Move on to Step 2	Metal shavings present Front phonic wheel damaged Small magnets missing or damaged Rear [honic wheel damaged Small magnets missing or damaged	Clean the flywheel track Replace the hub Op. 4450C34 BEARING OF ONE FRONT WHEEL HUB, L/H OR R/H - REPLACE WITH PILLAR REMOVED Replace the hub Op. 4450C34 BEARING OF ONE FRONT WHEEL HUB, L/H OR R/H - REPLACE WITH PILLAR REMOVED Replace the hub Op. 4450D10 HUB OF ONE REAR WHEEL, L/H OR R/H - R+R WITH WHEEL REMOVED Replace the hub Op. 4450D10 HUB OF ONE REAR WHEEL, L/H OR R/H - R+R WITH WHEEL REMOVED
2	CHECK ON CORRECT OPERATION	All OK	Problems encountered	Operation
	Delete the errors using the diagnostic equipment. Carry out a road test See Test 3340OA A.B.S. SYSTEM ACTUATION CHECK to ensure that the control unit checks whether the errors are present. To evaluate the correctness of the speed signal, follow the "Detecting flywheel signal" procedure. Return to the workshop and check that the fault is no longer present using the Examiner.	End of diagnosis	The fault persists	Move on to Step 1

FLYWHEEL TRACK CHECK

All OK

Problems encountered

Operation

Check the condition of the flywheel, removing the wheel if necessary.

Check that there are no metal shavings on the flywheel magnetic tracks.

Check that all the small magnets are correctly positioned.

Move on to Step 2

Metal shavings present
Front phonic wheel damaged
Small magnets missing or damaged
Rear [honic wheel damaged
Small magnets missing or damaged

Clean the flywheel track
Replace the hub
Op. 4450C34 BEARING OF ONE FRONT WHEEL HUB, L/H OR R/H - REPLACE WITH PILLAR REMOVED
Replace the hub
Op. 4450C34 BEARING OF ONE FRONT WHEEL HUB, L/H OR R/H - REPLACE WITH PILLAR REMOVED
Replace the hub
Op. 4450D10 HUB OF ONE REAR WHEEL, L/H OR R/H - R+R WITH WHEEL REMOVED
Replace the hub
Op. 4450D10 HUB OF ONE REAR WHEEL, L/H OR R/H - R+R WITH WHEEL REMOVED

CHECK ON CORRECT OPERATION

All OK

Problems encountered

Operation

Delete the errors using the diagnostic equipment.

Carry out a road test

See Test 3340OA A.B.S. SYSTEM ACTUATION CHECK

to ensure that the control unit checks whether the errors are present.

To evaluate the correctness of the speed signal, follow the "Detecting flywheel signal" procedure.

Return to the workshop and check that the fault is no longer present using the Examiner.

End of diagnosis

The fault persists

Move on to Step 1

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Parts & tools for this job For 2003 Fiat Panda

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