Function

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

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, diagnosis switch, idle switch, or wiring.