CONSULT Data Link Connector (DLC) Circuit Wiring Diagram - CONSULT/GST CHECKING

< BASIC INSPECTION > CONSULT Data Link Connector (DLC) Circuit

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

INFOID:0000000012433190

Symptom CONSULT cannot access any system. Check item

•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-52, "Wiring Diagram - CONSULT/GST CHECKING SYSTEM". For a complete CAN line layout, refer to LAN-33, "Wiring Diagram" .