Test results
1
COMPONENT CONCERNED
ELECTRICAL CONNECTIONS CHECK
OK (NO FAULTS DETECTED)
FAULT DETECTED
OPERATION
Air conditioning pressure sensor connector
Check the presence of looseness on the air conditioning pressure sensor electrical connections
Go to Step 2
Presence of loose electrical connections.
Restore the correct connections.
2
AIR CONDITIONING PRESSURE SENSOR WIRING CHECK
Air conditioning pressure sensor wiring
Check for the presence of a short circuit to earth in the wiring from air conditioning pressure sensor to engine management control unit
Go to Step 3
Presence of short circuit to earth
Restore correct insulation to earth
3
Check for the presence of a short circuit to Vbatt in the wiring from air conditioning pressure sensor to engine management control unit
Go to Step 4
Presence of short circuit to Vbatt.
Restore correct insulation to +battery
4
Check for the presence of an open circuit in the wiring from air conditioning pressure sensor to engine management control unit
End of diagnosis
Presence of open circuit
Restore the correct continuity for the wiring