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:

Normal operating condition
Description Symptom Result Slight vibrations are felt on the brake pedal and operation noises occur when VDC, TCS or ABS is activated. This is a normal condition due to the VDC, TCS or ABS activation. Stopping distance is longer than that of vehicles without ...

Air conditioner operation (if so equipped)
Start the engine, turn the fan control dial to the desired position, and press the button to activate the air conditioner. When the air conditioner is on, cooling and dehumidifying functions are added to the heater operation. The air conditioner cooling function operates only whe ...

Additional service when replacing power window main switch
Description When the power window main switch is replaced, the initialization is necessary for normal operation of power window system. CAUTION: The following specified operations can not be performed under the non-initialized condition. Auto-up operation Anti-pinch function Work Pr ...