Inspection Procedure

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

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

INSPECTION PROCEDURE

Symptom	Check item
CONSULT-III cannot access any system.	CONSULT-III DLC power supply circuit (Terminal 8) and ground circuit (Terminal 4)
CONSULT-III 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-III DLC. (For detailed circuit, refer to wiring diagram for each system.) Open or short circuit CAN communication line. Refer to "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-III access to other systems. For a complete DDL circuit layout, refer to "WIRING DIAGRAM ". For a complete CAN line layout, refer to "WIRING DIAGRAM - CAN SYSTEM - ".