Diagnosis Procedure
WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT-1
- Turn ignition switch OFF.
- Disconnect accelerator pedal position (APP) sensor 2 harness connector.
- Turn ignition switch ON.
- Check the voltage between APP sensor 2 harness connector and ground.
+
-
Voltage
(Approx.)
APP sensor 2
Connector
Terminal
E20
1
Ground
5 V
Is the inspection result normal?
YES
INSPECTION END
NO
GO TO 2 .
- CHECK APP SENSOR 1 POWER SUPPLY CIRCUIT-2
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Check the continuity between APP sensor 2 harness connector and ECM harness connector.
+
-
Continuity
APP sensor 2
ECM
Connector
Terminal
Connector
Terminal
E20
1
E16
142
Existed
Is the inspection result normal?
YES
GO TO 3 .
NO
Repair open circuit.
- CHECK SENSOR POWER SUPPLY 2 CIRCUIT
- Disconnect following sensors harness connector.
- Check harness for short to power and short to ground, between the following terminals.
ECM
Sensor
Connector
Terminal
Name
Connector
Terminal
E16
142
APP sensor 2
E20
1
F78
30
Battery current sensor
E161
1
Multi-way control valve
F92
5
Fan clutch assembly
F97
2
F79
73
Camshaft position sensor (Bank 2)
F67
1
Exhaust valve timing control position sensor (Bank 2)
F72
1
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.
- APP sensor 2 (Refer to Component Inspection (Accelerator Pedal Position Sensor) .)
- Battery current sensor (Refer to Component Inspection (Battery Current Sensor) .)
- Multi-way control valve (Refer to Component Inspection (Multi-way Control Valve) .)
- Fan clutch assembly (Refer to Component Inspection (Cooling Fan Speed Sensor) .)
- Camshaft position sensor (Bank 2) (Refer to Component Inspection (Camshaft Position Sensor) .)
- Exhaust valve timing control position sensor (Bank 2) (Refer to Component Inspection (Exhaust Valve Timing Control Position Sensor) .)
Is the inspection result normal?
YES
Perform Intermittent Incident .
NO
Replace malfunctioning component.