Reading Diagnostic Trouble Codes

DIAGNOSIS FUNCTION
METHOD OF READING THE DIAGNOSTIC TROUBLE CODES
WHEN USING MUT-II

CAUTION:
- Connection and disconnection of the scan tool should always be made with the ignition switch in the OFF position.
(1) Connect the scan tool to the data link connector.

(2) Take a reading of the diagnostic output.
(3) Repair the problem location, referring to the diagnostic chart.
(4) After turning the ignition switch once to OFF, turn it back to ON.





WHEN USING THE VOLTMETER
(1) Connect the analog-type voltmeter to the diagnostic output terminal (terminal 6) and to the ground terminal (either terminal 4 or 5) which belong to the data link connector (white).

CAUTION:
- Use the special tool (diagnostic trouble code check harness) when connecting the voltmeter to the ground terminal. (Either terminal 4 or 5)

(2) Read the diagnostic output looking at the voltmeter deflection.
(3) Repair the problem location, referring to the diagnostic chart.





Method of diagnosing display results when using a voltage meter.

NOTE:
- Other diagnostic trouble codes are also output as voltage patterns corresponding to the same code numbers as when using a scan tool.