Diagnosis Procedure

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK GROUND CONNECTION
1. Turn ignition switch OFF.
2. Check ground connection E9. Refer to Ground Inspection in "CIRCUIT INSPECTION ".
Is the inspection result normal?

YES: GO TO 2.

NO: Repair or replace ground connection.

CHECK ACCELERATOR PEDAL POSITION SENSOR 1 POWER SUPPLY CIRCUIT

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

VOLTAGE SPECIFICATION

APP sensor		Ground	Voltage (V)
Connector	Terminal	Ground	Voltage (V)
E40	5	Ground	Approx. 5

Fig 1: Checking Voltage Between APP Sensor Harness Connector And Ground

Courtesy of NISSAN MOTOR CO., U.S.A.

Is the inspection result normal?

YES: GO TO 7.

NO: GO TO 3.

CHECK SENSOR POWER SUPPLY CIRCUIT

Check harness for short to power and short to ground, between the following terminals.

ECM SPECIFICATION

ECM		Sensor
Connector	Terminal	Name	Connector	Terminal
F13	47	TP sensor	F57	1
	51	Battery current sensor	F5	1
	55	PSP sensor	F40	3
	59	CMP sensor (PHASE) (bank 1)	F55	1
	59	EVT control position sensor (bank 1)	F43	1
	63	CMP sensor (PHASE) (bank 2)	F60	1
	63	EVT control position sensor (bank 2)	F42	1
E10	83	APP sensor	E40	5

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.
- Camshaft position sensor (PHASE) (Refer to "COMPONENT INSPECTION ").
- EVT control position sensor (Refer to "COMPONENT INSPECTION ").
- Battery current sensor (Refer to "COMPONENT INSPECTION ").
- Power steering pressure sensor (Refer to "COMPONENT INSPECTION ").
Is the inspection result normal?

YES: GO TO 5.

NO: Replace malfunctioning component.
CHECK TP SENSOR
Refer to "COMPONENT INSPECTION ".

Is the inspection result normal?

YES: GO TO 9.

NO: GO TO 6.
REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
1. Replace electric throttle control actuator.
2. Go to "SPECIAL REPAIR REQUIREMENT ".
: INSPECTION END
CHECK APP SENSOR
Refer to "COMPONENT INSPECTION ".

Is the inspection result normal?

YES: GO TO 9.

NO: GO TO 8.
REPLACE ACCELERATOR PEDAL ASSEMBLY
1. Replace accelerator pedal assembly.
2. Go to "SPECIAL REPAIR REQUIREMENT ".
: INSPECTION END
CHECK INTERMITTENT INCIDENT
Refer to "INTERMITTENT INCIDENT ".

: INSPECTION END