Displaying & Reading Trouble Codes

SELF-DIAGNOSIS CHECKING
Self-diagnosis checking is performed when there has been an automatic cancellation, without cancel switch operation. The following method can be used for checking the diagnosis. Note that the diagnosis check connector is located under the driver's side instrument panel.





1. Connect an analog voltmeter across the self-diagnosis output terminal 7 and ground terminal 12 of the diagnosis connector.





2. Turn ON the Ignition switch.
3. According to the voltmeter pointer deflection, read the self-diagnosis pattern.
4. Referring to the diagnosis chart, repair the faulty spot.
5. Erase the failure code by the following procedure.
6. Turn OFF the ignition switch.
7. Disconnect the battery cable from a battery terminal and leave it disconnected for 10 seconds or more; then, reconnect the cable.
8. Turn ON the ignition switch and read the self-diagnosis code to check that the correct code is being output








SERVICE DATA





DIAGNOSIS DISPLAY PATTERNS AND CODES

NOTE:
(1) If two or more abnormal conditions occur at the same time, the code numbers are alternately displayed, in order, repeatedly.
(2) The nature ot the malfunction is entered and stored in the memory from the time the malfunction occurs until the ignition switch is next turned to OFF.