Consult/GST Data Link Connector (DLC) Circuit

Inspection procedure

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

Symptom	Possible cause	Check item
CONSULT cannot detected VI.	Data link connector malfunction	Check the pins of data link connector.
	Power supply and ground circuit malfunction of data link connector	Check CONSULT/GST DLC power supply circuit and ground circuit.
	Battery voltage drop	Check the battery condition.
	Malfunction of VI itself	Check whether VI functions to the other vehicle or not.
CONSULT/GST cannot access to any systems.	6CH CAN gateway power supply and ground circuit	Check the power supply and ground circuit of 6CH CAN gateway. Refer to Diagnosis Procedure .
	Diagnostic CAN communication circuit	Check the diagnostic CAN communication circuit. Refer to Diagnosis Procedure .
	6CH CAN gateway malfunction	If above inspection results are normal, replace 6CH CAN gateway. Refer to 6CH CAN GATEWAY : Removal & Installation .
CONSULT cannot access to one or some of the systems.	Power supply and ground circuit of the inaccessible system's control unit (For detailed circuit, refer to wiring diagram for each system.)	Check the power supply and ground circuit of inaccessible system's the control unit.
CONSULT cannot access to one or some of the systems.	CAN communication circuit	Check open or short circuit of CAN communication line. Refer to Trouble Diagnosis Flow Chart .