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 FUSE/FUSIBLE LINK
- Turn ignition switch OFF.
- Check the 10 A fuse [No. 12 in fuse block (J/B)].
Is the inspection result normal?
YES
GO TO 2.
NO
Replace the fuse after repairing the affected circuit.
- CHECK LOW TIRE PRESSURE WARNING CONTROL UNIT POWER SUPPLY CIRCUIT
- Disconnect low tire pressure warning control unit connector.
- Turn ignition switch ON.
- Check voltage between low tire pressure warning control unit connector and ground.
Low tire pressure warning control unit
--
Voltage
Connector
Terminal
M90
15
Ground
Battery voltage
- Turn ignition switch OFF.
- Check voltage between low tire pressure warning control unit connector and ground.
Low tire pressure warning control unit
--
Voltage
Connector
Terminal
M90
15
Ground
0 V
Is the inspection result normal?
YES
GO TO 3.
NO
Check the following. If any items are damaged, repair or replace damaged parts.
- Harness for short or open between ignition switch and low tire pressure warning control unit harness connector.
- Battery voltage.
- CHECK LOW TIRE PRESSURE WARNING CONTROL UNIT GROUND CIRCUIT
- Turn ignition switch OFF.
- Check continuity between low tire pressure warning control unit connector and ground.
Low tire pressure warning control unit
--
Continuity
Connector
Terminal
M90
32
Ground
Yes
Is the inspection result normal?
YES
Inspection End.
NO
Repair open circuit in harness or connectors.