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.
- Vehicle security indicator is built in combination meter.
- NATS (Nissan Anti-Theft System) and vehicle security system conditions are indicated by blink or illumination of vehicle security indicator.
- CHECK SECURITY INDICATOR LAMP POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect combination meter connector.
- Check voltage between combination meter harness connector and ground.
(+)
(-)
Voltage (V)
Combination meter
Connector
Terminal
M23
25
Ground
Battery voltage
Is the inspection result normal?
YES
GO TO 2.
NO
Check 10A fuse [No. 19, located in the fuse block (J/B)].
NO
Check harness for open or short between combination meter and fuse.
- CHECK SECURITY INDICATOR LAMP SIGNAL
- Connect combination meter connector.
- Disconnect BCM connector.
- Check voltage between BCM harness connector and ground.
(+)
(-)
Voltage (V)
BCM
Connector
Terminal
M18
23
Ground
Battery voltage
Is the inspection result normal?
YES
Replace BCM. Refer to Removal and Installation .
NO
GO TO 3.
- CHECK SECURITY INDICATOR LAMP CIRCUIT
- Disconnect combination meter connector.
- Check continuity between combination meter harness connector and BCM harness connector.
Combination meter
BCM
Continuity
Connector
Terminal
Connector
Terminal
M24
3
M18
23
Yes
- Check continuity between combination meter harness connector and ground.
Combination meter
Ground
Continuity
Connector
Terminal
M24
3
No
Is the inspection result normal?
YES
Replace combination meter. Refer to Removal and Installation .
NO
Repair or replace harness.