With Scan Tool
ON-BOARD DIAGNOSTIC CHECKING
The following method can be used for checking the diagnosis.
When using the scan tool [Multi-use tester (MUT)
(1) Connect the scan tool to the data link connector to read out the diagnostic trouble codes.
NOTE: On vehicles up to 1993 model, connect the scan tool using the attached adaptor harness.
CAUTION: Turn off the ignition switch beforehand whenever the scan tool is connected or disconnected.
(2) Repair the faulty spots by referring to diagnostic chart.
(3) Erase the failure code.
(4) Check the system again.