caution | When replacing the ECU, always check that the communication circuit is normal. |
caution | To prevent damage to scan tool (M.U.T.-III), always turn the power supply mode of the engine switch to the OFF position before connecting or disconnecting scan tool (M.U.T.-III). |
|
Operation state | Item No. | Check item | Display |
When the engine switch is pressed | 1 | Engine switch/Power switch (1) | ON |
2 | Engine switch/Power switch (2) | ON | |
When the engine switch is not pressed | 1 | Engine switch/Power switch (1) | OFF |
2 | Engine switch/Power switch (2) | OFF |
note | Because the conformity cannot be determined even when the digital tester is used to measure the voltage of SW2 line between the OSS-ECU connector and engine switch connector, be sure to use the oscilloscope. (Outputs the sawtooth waveform of 0 to 5 V with intervals of 10 ms.) |