The diagnostic equipment signals the following error: "C1205 Valve Relays"
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This error is signalled if the control unit detects an open circuit or short circuit (positive or earth) for the relay or the feedback, if the relay or the operating circuit is damaged |
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Test results |
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1 |
ELECTRICAL CONNECTION CHECK |
All OK |
Problems encountered |
Operation |
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Check that the valve relay wiring is not faulty. Check that the valve relay connector is not faulty at the pins (on both the wiring side and the control unit side) by carrying out a visual inspection. In particular, check that: - They are not oxidized - They are not distorted or broken Check the state of the power fuse in the engine compartment junction unit |
Go to Step 2 |
1. Wiring connections faulty 2. Relay side connector faulty 3. Wiring side connector faulty 4. Fuse faulty |
1. Restore the correct connections 2. Replace the ABS electrohydraulic control unit Op. 3340A12 ABS HYDRAULIC AND ELECTRONIC CONTROL UNIT - R.R. 3. Replace the ABS wiring. 4. Identify the cause of the problem with the fuse and eliminate it, then replace the fuse |
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2 |
CORRECT OPERATION CHECK |
All OK |
Problems encountered |
Operation |
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Delete the errors using the diagnostic equipment. Turn the key OFF and then ON to ensure that the control unit checks whether the errors are still present. Check that the fault is no longer present |
End of diagnosis |
The fault persists |
Replace the ABS electrohydraulic control unit Op. 3340A12 ABS HYDRAULIC AND ELECTRONIC CONTROL UNIT - R.R. |
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