Sensor power supply 3
- EVAP control system pressure sensor
- Fuel rail pressure sensor
- Engine oil pressure sensor
- Refrigerant pressure sensor
- Power steering pressure sensor
- CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR POWER SUPPLY CIRCUIT-1
- Turn ignition switch OFF.
- Disconnect EVAP control system pressure sensor harness connector.
- Turn ignition switch ON.
- Check the voltage between EVAP control system pressure sensor harness connector and ground.
+
-
Voltage
(Approx.)
EVAP control system pressure sensor
Connector
Terminal
C32
3
Ground
5 V
Is the inspection result normal?
YES
INSPECTION END
NO
GO TO 2.
- CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR POWER SUPPLY CIRCUIT-2
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Check the continuity between EVAP control system pressure sensor harness connector and ECM harness connector.
+
-
Continuity
EVAP control system pressure sensor
ECM
Connector
Terminal
Connector
Terminal
C32
3
E77
125
Existed
Is the inspection result normal?
YES
GO TO 3.
NO
Repair open circuit.
- CHECK SENSOR POWER SUPPLY 3 CIRCUIT
- Disconnect following sensors harness connector.
- Check harness for short to power and short to ground, between the following terminals.
ECM
Sensor
Connector
Terminal
Name
Connector
Terminal
E77
125
EVAP control system pressure sensor
C32
3
F78
29
Fuel rail pressure sensor
F91
1
Engine oil pressure sensor
E229
3
Refrigerant pressure sensor
E49
3
Power steering pressure sensor
F82
3
Is the inspection result normal?
YES
GO TO 4.
NO
Repair short to ground or short to power in harness or connectors.
- CHECK COMPONENTS
Check the following.
- EVAP control system pressure sensor (Refer to Component Inspection (EVAP Control System Pressure Sensor) .)
- Fuel rail pressure sensor (Refer to Component Inspection (Fuel Rail Pressure Sensor) .)
- Engine oil pressure sensor (Refer to Component Inspection (EOP sensor) .)
- Refrigerant pressure sensor (Refer to Component Function Check .)
- Power steering pressure sensor (Refer to Component Inspection (Power Steering Pressure Sensor) .)
Is the inspection result normal?
YES
Perform Intermittent Incident .
NO
Replace malfunctioning component.