System Operation

FUNCTION
The on-board diagnostics system is capable of detecting any trouble which has occurred in any of the input and output signal systems shown in the table.

The results of on-board diagnostics are displayed by flashing ATF Temperature indicator lamp.
^ Repeated flashing at 4 Hz ... Error such as battery trouble
^ Repeated flashing at 2 Hz ... Normal
^ Output of trouble code ... Check faulty portion
^ Continued lighting of lamp ...Error in inhibitor switch, idle switch, or wiring





OPERATION OF INDICATOR LAMP
On starting the engine, AT OIL TEMP indicator lamp illuminates as shown. If any trouble occurs, the lamp continues flashing until ignition switch is turned to ON position (engine turned off).





TROUBLE CODES

SELECT MONITOR
Various data and ON/OFF signals being processed in the TCM can be monitored by connecting the select monitor to the select monitor terminal located under the instrument panel.