DTC Diagnosis Procedure: Procedure
WARNING: This page is about a different car, the 2018 Nissan NV3500 HD, 2018 Nissan NV2500 HD, and 2018 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK SENSOR POWER SUPPLY
- Turn ignition switch ON.
- Check the voltage between ECM harness connector terminals.
+
-
Voltage
(Approx.)
ECM
Connector
Terminal
Connector
Terminal
E16
103
E16
128
5 V
107
Is the inspection result normal?
YES
Check intermittent incident. Refer to Intermittent Incident .
NO
GO TO 2.
- 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
103
APP sensor 2
E20
1
107
Atmospheric pressure sensor
C4
3
EVAP control system pressure sensor
E25
1
Is the inspection result normal?
YES
GO TO 3.
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 .)
- Atmospheric pressure sensor (Refer to Component Inspection .)
- EVAP control system pressure sensor (Refer to Component Inspection .)
Is the inspection result normal?
YES
Refer to Intermittent Incident .
NO
Replace malfunctioning component.