Test results
1
COMPONENT CONCERNED
CHECK USING DIAGNOSIS EQUIPMENT
OK (NO FAULTS DETECTED)
FAULT DETECTED
OPERATION
CAN network
Check for control unit errors using the diagnosis equipment in "CAN information" mode.
Go to Step 2
Faulty control unit present
Continue as instructed by the diagnostic equipment
2
CAN CHECK
Check the correct insulation of the CAN High to earth
Go to Step 3
Presence of short circuit to earth in the CAN
Restore insulation to earth
3
Check the correct insulation of the CAN Low to + battery
End of diagnosis
Presence of short circuit to + battery in the CAN
Restore insulation to + battery