DTC Diagnosis Procedure

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.

CHECK BRAKE PEDAL POSITION SWITCH POWER SUPPLY CIRCUIT

Turn ignition switch OFF.
Disconnect brake pedal position switch harness connector.
Turn ignition switch ON.

Check the voltage between brake pedal position switch harness connector and ground.

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+		-	Voltage
Brake pedal position switch
Connector	Terminal
E37	1	Ground	Battery voltage

Is the inspection result normal?

YES

GO TO 2.

Perform the trouble diagnosis for power supply circuit.

CHECK BRAKE PEDAL POSITION SWITCH INPUT SIGNAL CIRCUIT

Turn ignition switch OFF.
Disconnect ECM harness connector.

Check the continuity between brake pedal position switch harness connector and ECM harness connector.

+		-		Continuity
Brake pedal position switch		ECM
Connector	Terminal	Connector	Terminal
E37	2	E16	140	Existed

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

Is the inspection result normal?

YES

GO TO 3.

Repair or replace error-detected parts.

CHECK BRAKE PEDAL POSITION SWITCH
Refer to Component Inspection (Brake Pedal Position Switch)

Is the inspection result normal?

YES

Check intermittent incident. Refer to Intermittent Incident .

NO

Replace brake pedal position switch.