1.CHECK GROUND CONNECTION

1. Turn ignition switch OFF.
2. Check ground connection M95. Refer to Ground Inspection in Circuit Inspection.

Is the inspection result normal?
YES>>GO TO 2.
NO>>Repair or replace ground connection.
2.CHECK MAP SENSOR POWER SUPPLY CIRCUIT

1. Disconnect MAP sensor harness connector.
2. Turn ignition switch ON.
3. Check the voltage between MAP sensor harness connector and ground.

   MAP sensor | Ground | Voltage
   Connector | Terminal
   F7 | 1 | Ground | Approx. 5V

Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair open circuit, short to ground or short to power in harness or connectors.
3.CHECK MAP SENSOR GROUND CIRCUIT FOR OPEN AND SHORT

1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between MAP sensor harness connector and ECM harness connector.

   MAP sensor | ECM | Continuity
   Connector | Terminal | Connector | Terminal
   F7 | 3 | F102 | 74 | Existed

4. Also check harness for short to ground and short to power.

Is the inspection result normal?
YES>>GO TO 4.
NO>>Repair open circuit, short to ground or short to power in harness or connectors.
4.CHECK MAP SENSOR INTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT

1. Check the continuity between MAP sensor harness connector and ECM harness connector.

   MAP sensor | ECM | Continuity
   Connector | Terminal | Connector | Terminal
   F7 | 2 | F101 | 48 | Existed

2. Also check harness for short to ground and short to power.

Is the inspection result normal?
YES>>GO TO 5.
NO>>Repair open circuit, short to ground or short to power in harness or connectors.
5.CHECK MAP SENSOR
Refer to Component Inspection (GT-R certified NISSAN dealer).
Is the inspection result normal?
YES>>GO TO 6.
NO>>Replace MAP sensor.
6.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
>>INSPECTION END