Test results
1
COMPONENT CONCERNED
ELECTRICAL CONNECTIONS CHECK
OK (NO FAULTS DETECTED)
FAULT DETECTED
OPERATION
Connections on knock sensor and engine management control unit
Check for loose electrical connections at knock sensor and at the engine management control unit.
Go to Step 2
Presence of loose electrical connections.
Restore the correct connections.
2
WIRING CONTINUITY CHECK
Knock sensor wiring
Check for breaks in the wiring continuity caused by oxidised or corroded terminals
Go to Step 3
Breaks in the wiring continuity.
Restore the correct continuity for the wiring.
3
SENSOR TIGHTENING CHECK
Knock sensor
Check tightening and position of knock sensor.
Go to Step 4
Sensor not correctly positioned/tightened.
Restore correct sensor tightening/positioning.
4
KNOCK SENSOR OPERATION CHECK
Check that the knock sensor is working properly.
End of diagnosis
Knock sensor not working properly.
Replace the knock sensor.
Op. 5510C42 DETONATION SENSOR (ONE) - R.R.