Nissan Sentra Service Manual: CONSULT Data Link Connector (DLC) Circuit

Nissan Sentra Service Manual / General information / Basic inspection / Consult checking system / CONSULT Data Link Connector (DLC) Circuit

Inspection procedure

If the CONSULT cannot diagnose the system properly, check the following items.

Symptom	Check item
CONSULT cannot access any system.	CONSULT DLC power supply circuit (Terminal 8 and 16) and ground circuit (Terminal 4 and 5)
CONSULT cannot access individual system. (Other systems can be accessed.)	Power supply and ground circuit for the control unit of the system (For detailed circuit, refer to wiring diagram for each system.) Open or short circuit between the system and CONSULT DLC (For detailed circuit, refer to wiring diagram for each system.) Open or short circuit CAN communication line. Refer to LAN-16, "Trouble Diagnosis Flow Chart".

NOTE:

The DDL2 circuits and CAN communication lines from DLC pins 6, 7 and 14 may be connected to more than one system. A short in a DDL circuit or CAN lines connected to a control unit in one system may affect CONSULT access to other systems. For a complete DDL circuit layout, refer to GI-49, "Wiring Diagram". For a complete CAN line layout, refer to LAN-33, "Wiring Diagram".

Function and System Application

x : Applicable With NAVI With CVT With auto A/C ...

Wiring diagram

Consult checking system Wiring Diagram ...

Other materials:

Before starting the engine
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Unit removal and installation
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General maintenance
Explanation of general maintenance General maintenance includes those items which should be checked during the normal day-to-day operation of the vehicle. They are essential if the vehicle is to continue operating properly. The owners can perform checks and inspections themselves or have thei ...