Nissan Sentra manuals

Nissan Sentra Service Manual: 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:

Dtc/circuit diagnosis
U1000 can comm circuit Description Refer to lan-7, "can communication system : system description". DTC Logic Dtc detection logic Note: U1000 can be set if a module harness was disconnected and reconnected, perhaps during a repair. Confirm that there are actual can diagnostic sym ...

Power supply and ground circuit
Av control unit Av control unit : diagnosis procedure Regarding wiring diagram information, refer to av-331, "wiring diagram". 1.Check fuse Check that the following fuses are not blown. Are the fuses blown? Yes >> replace the blown fuse after repairing the affected circuit. ...

System description
Component parts Component parts location Instrument lower finisher Component description Eco mode switch The ECO mode switch is installed to the instrument lower finisher. When the eco mode indicator lamp on the combination meter is off and the eco mode switch is pressed, t ...

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