Test results
1
COMPONENT CONCERNED
ELECTRICAL CONNECTIONS CHECK
OK (NO FAULTS DETECTED)
FAULT DETECTED
OPERATION
Connections on pressure sensor and Powertrain Control Module
Check for loose electrical connections at the intake pressure sensor and at the Powertrain Control Module.
Go to Step 2
Presence of loose electrical connections.
Restore the correct connections.
2
WIRING CONTINUITY CHECK
Intake pressure sensor wiring
Check for breaks in the wiring continuity
Go to Step 3
Breaks in the wiring continuity.
Restore the correct continuity for the wiring.
3
WIRING INSULATION CHECK
Check the condition of the wiring insulation
Go to Step 4
Wiring insulation faulty.
Restore correct wiring insulation.
4
EARTH CONNECTION CHECK
Check the condition of the earth connections.
Go to Step 5
Restore the correct earth connections.
5
CHECK FOR SEEPAGE IN INTAKE MANIFOLD
Intake manifold
Check for any seepage in the intake manifold
Go to Step 6
Seepage inside the intake manifold.
Restore correct operation
6
PRESSURE READING CHECK
Pressure sensor
Check the pressure from the manifold pressure sensor by connecting the diagnostic equipment
End of diagnosis
Pressure value incorrect
Go to Step 7
7
INTAKE PRESSURE SENSOR OPERATION CHECK
Check that the intake pressure sensor is working correctly
Intake pressure sensor not working properly.
Replace the intake pressure sensor
Op. 1056B54 INTAKE AIR PRESSURE/TEMPERATURE SENSOR - R.R.