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 FUSIBLE LINKS
Check that the following fusible links are not blown.
Terminal
Signal name
Fusible link No.
Cummins 5.0L
VK56VD
1
Battery power supply
A (250A), D (100A)
A (250A), B (80A)
2
C (100A)
E (60A)
20
F (250A), J (100A), P (40A)
A (250A), C (100A), U (40A)
Is the fusible link blown?
YES
Replace the blown fusible link after repairing the affected circuit.
NO
GO TO 2 .
- CHECK POWER SUPPLY CIRCUIT
- Disconnect IPDM E/R connectors E118 and E120.
- Check voltage between IPDM E/R connectors and ground.
IPDM E/R
Ground
Voltage
(Approx.)
Connector
Terminal
E118
1
(-)
Battery voltage
2
E120
20
Is the inspection result normal?
YES
GO TO 3 .
NO
Repair or replace harness or connectors.
- CHECK GROUND CIRCUIT
- Disconnect IPDM E/R connectors E123 and E124.
- Check continuity between IPDM E/R connectors and ground.
IPDM E/R
Ground
Continuity
Connector
Terminal
E123
52
-
Yes
E124
62
Is the inspection result normal?
YES
Inspection End.
NO
Repair or replace harness or connectors.