Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK APP SENSOR 2 POWER SUPPLY

Disconnect accelerator pedal position (APP) sensor harness connector.
Turn ignition switch ON.

Check the voltage between APP sensor harness connector and ground.

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

Is the inspection result normal?

YES

GO TO 3.

GO TO 2.

CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT

Turn ignition switch OFF.
Disconnect ECM harness connector.

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

APP sensor		ECM		Continuity
Connector	Terminal	Connector	Terminal	Continuity
E40	5	E10	142	Existed

Is the inspection result normal?

YES

Check sensor power supply 2 circuit. Refer to Diagnosis Procedure .

Repair or replace error-detected parts.

CHECK APP SENSOR 2 GROUND CIRCUIT

Turn ignition switch OFF.
Disconnect ECM harness connector.

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

APP sensor		ECM		Continuity
Connector	Terminal	Connector	Terminal	Continuity
E40	1	E10	144	Existed

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

Is the inspection result normal?

YES

GO TO 4.

Repair open circuit, short to ground or short to power in harness or connectors.

CHECK APP SENSOR 2 INPUT SIGNAL CIRCUIT

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

APP sensor		ECM		Continuity
Connector	Terminal	Connector	Terminal	Continuity
E40	6	E10	143	Existed

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

Is the inspection result normal?

YES

GO TO 5.

Repair open circuit, short to ground or short to power in harness or connectors.

CHECK APP SENSOR
Check APP sensor. Refer to Diagnosis Procedure .

Is the inspection result normal?

YES

INSPECTION END

NO

Replace accelerator pedal assembly. Refer to Removal and Installation .