184000617 - Z65 MAIN AND PILOT VLVX/USVX VALVE ERROR
The diagnostic equipment signals one or more of the following errors: C1141 Primary Valve 1 (VLV1), C1151 Primary Valve 2 (VLV2), C1146 Pilot Valve 1 (USV1) and/or C1156 Pilot Valve 2 (USV2) | This error is signalled if the ASR solenoid valves cannot be activated. This means that there is an open circuit or short circuit (positive or earth) for the solenoid valves or the solenoid valves connection, that the solenoid valves are close to being short circuited or that the operating circuit is damaged |
| Results of the tests | ||||
| 1 | ABS CONTROL UNIT REPLACEMENT | All OK | Problems encountered | Operation |
|---|---|---|---|---|
| Replace the ABS electrohydraulic control unit Op. Op. 3340A12 ABS HYDRAULIC AND ELECTRONIC CONTROL UNIT | Move on to Step 2 | . | - | |
| 2 | CHECK ON CORRECT OPERATION | All OK | Problems encountered | Operation |
| 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 | . | - | |