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 APP SENSOR 1 POWER SUPPLY CIRCUIT

1. Disconnect accelerator pedal position (APP) sensor harness connector.
2. Turn ignition switch ON.
3. Check the voltage between APP sensor harness connector and ground.

   APP sensor | Ground | Voltage (V)
   Connector | Terminal
   E111 | 5 | Ground | Approx. 5

Is the inspection result normal?
YES>>GO TO 4.
NO>>GO TO 3.
3.DETECT MALFUNCTIONING PART
Check the following.

- Harness connectors M6, E106
- Harness for open or short between ECM and accelerator pedal position sensor

>>Repair open circuit, short to ground or short to power in harness or connectors.
4.CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT-I

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

   APP sensor | Ground | Voltage (V)
   Connector | Terminal
   E111 | 6 | Ground | Approx. 5

Is the inspection result normal?
YES>>GO TO 9.
NO>>GO TO 5.
5.CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT-II

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

   APP sensor | ECM | Continuity
   Connector | Terminal | Connector | Terminal
   E111 | 6 | M107 | 99 | Existed

Is the inspection result normal?
YES>>GO TO 7.
NO>>GO TO 6.
6.DETECT MALFUNCTIONING PART
Check the following.

- Harness connectors M6, E106
- Harness for open or short between ECM and accelerator pedal position sensor

>>Repair open circuit.
7.CHECK SENSOR POWER SUPPLY CIRCUIT
Check harness for short to power and short to ground, between the following terminals.

ECM | Sensor
Connector | Terminal | Name | Connector | Terminal
F102 | 87 | CKP sensor (POS) | E204 | 1
91 | CMP sensor (PHASE) (bank 2) | F45 | 1
95 | Power steering pressure sensor | F16 | 3
Manifold absolute pressure sensor | F7 | 1
Refrigerant pressure sensor | E77 | 3
M107 | 99 | APP sensor 2 | E111 | 6

Is the inspection result normal?
YES>>GO TO 8.
NO>>Repair short to ground or short to power in harness or connectors.
8.CHECK COMPONENTS
Check the following.

- Crankshaft position sensor (POS) (Refer to Component Inspection (GT-R certified NISSAN dealer).)
- Camshaft position sensor (PHASE) (bank 2) (Refer to Component Inspection (GT-R certified NISSAN dealer).)
- Power steering pressure sensor (Refer to Component Inspection (GT-R certified NISSAN dealer).)
- Manifold absolute pressure sensor (Refer to Component Inspection (GT-R certified NISSAN dealer).)
- Refrigerant pressure sensor (Refer to Diagnosis Procedure (GT-R certified NISSAN dealer).)

Is the inspection result normal?
YES>>GO TO 15.
NO>>Replace malfunctioning component.
9.CHECK APP SENSOR GROUND CIRCUIT FOR OPEN AND SHORT

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

   APP sensor | ECM | Continuity
   Connector | Terminal | Connector | Terminal
   E111 | 3 | M107 | 103 | Existed
   2 | 107

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

Is the inspection result normal?
YES>>GO TO 11.
NO>>GO TO 10.
10.DETECT MALFUNCTIONING PART
Check the following.

- Harness connectors M6, E106
- Harness for open or short between ECM and accelerator pedal position sensor

>>Repair open circuit, short to ground or short to power in harness or connectors.
11.CHECK APP SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT

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

   APP sensor | ECM | Continuity
   Connector | Terminal | Connector | Terminal
   E111 | 4 | M107 | 104 | Existed
   1 | 108

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

Is the inspection result normal?
YES>>GO TO 13.
NO>>GO TO 12.
12.DETECT MALFUNCTIONING PART
Check the following.

- Harness connectors M6, E106
- Harness for open or short between ECM and accelerator pedal position sensor

>>Repair open circuit, short to ground or short to power in harness or connectors.
13.CHECK APP SENSOR
Refer to Component Inspection (GT-R certified NISSAN dealer).
Is the inspection result normal?
YES>>GO TO 15.
NO>>GO TO 14.
14.REPLACE ACCELERATOR PEDAL ASSEMBLY

1. Replace accelerator pedal assembly.
2. Go to Special Repair Requirement (GT-R certified NISSAN dealer).

>>INSPECTION END
15.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
>>INSPECTION END