Diagnosis Tool Function

ON BOARD DIAGNOSTIC (OBD) SYSTEM


Diagnosis Tool Function


DESCRIPTION





Generic Scan Tool (OBDII scan tool) complying with SAE J1978/ISO
15031-4 has several functions explained below.
ISO15765-4 is used as the protocol.
The name GST or Generic Scan Tool is used in this service manual.

FUNCTION





INSPECTION PROCEDURE
1. Turn ignition switch OFF.





2. Connect "GST" to data link connector (1), which is located under
LH dash panel near the hood opener handle.





3. Turn ignition switch ON.
4. Enter the program according to instruction on the screen or in the operation manual.
(*: Regarding GST screens in this section, sample screens are shown.)





5. Perform each diagnostic mode according to each service procedure.
For further information, see the GST Operation Manual of the tool maker.