Brake Control System (DTC/Circuit Diagnosis)
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.
- CONNECTOR INSPECTION
- Turn ignition switch OFF.
- Disconnect combination meter connector M23 and parking brake switch connector.
- Check connectors and terminals for deformation, disconnection, looseness or damage.
Is the inspection result normal?
YES
GO TO 2.
NO
Repair or replace as necessary.
- CHECK PARKING BRAKE SWITCH
Check parking brake switch. Refer to Component Inspection .
Is the inspection result normal?
YES
GO TO 3 .
NO
Replace parking brake switch. Refer to Exploded View .
- CHECK PARKING BRAKE SWITCH SIGNAL
CONSULT.
- Connect combination meter connector M23 and parking brake switch connector.
- Turn ignition switch ON.
- In "Data Monitor" mode select "PARK BRAKE SW" and check parking brake switch signal.
Condition
DATA MONITOR
Depress parking brake
On
Release parking brake
Off
Is the inspection result normal?
YES
Refer to Work Flow .
NO
GO TO 4 .
- CHECK PARKING BRAKE SWITCH CIRCUIT
- Turn ignition switch OFF.
- Disconnect combination meter connector M23 and parking brake switch connector.
- Check continuity between parking brake switch connector M11 terminal 1 and combination meter connector M23 terminal 33.
Parking brake switch
Combination meter
Continuity
Connector
Terminal
Connector
Terminal
M11
1
M23
33
Yes
- Check continuity between parking brake switch connector M11 terminal 1 and ground.
Parking brake switch
-
Continuity
Connector
Terminal
M11
1
Ground
No
Is the inspection result normal?
YES
Replace combination meter. Refer to Removal and Installation .
NO
Repair or replace malfunctioning components.