caution | When replacing the ECU, always check that the communication circuit is normal. |
|
Item No. | Check item | Operation state | Display |
3 | Engine switch (SW1) | When the engine switch is pressed | ON |
4 | Engine switch (SW2) | ON | |
3 | Engine switch (SW1) | When the engine switch is not pressed | OFF |
4 | Engine switch (SW2) | OFF |
note | Because the conformity cannot be determined even when the digital tester is used to measure the voltage of SW2 line between the KOS&OSS-ECU connector and engine switch connector, be sure to use the oscilloscope (Outputs the sawtooth waveform of 0 to 5 volts with intervals of 10 ms.). |