Hello,
I use the search function and I found the Main Relay problem, but my Main relay is good.
What appen :
I drive my car in mountain, and the engine shut down.
When I turn the Ignition, I didn't hear the fuel pump.
Do I check the 15A fuse and all others fuses.
I connect the AEM EMS to my laptop and the ECU is not power on.
I check the main relay with a multimeter, (check relay,diode,resistor) and all is OK.
I remove the connector A, and I heard my solenoid, I connect the laptop to the AEM EMS and now I can see the sensor.
I plug the connector A, and can't hear the solenoid and the laptop can't connect to the AEM EMS.
I remove the connector A, and I heard my solenoid, I connect the laptop to the AEM EMS and I can see the sensor.
Strange
I disconnect the Main Relay, pump relay, I check all relay with the multimeter, and all relay are fine.
I reconnect the connector A, and now I can hear the solenoid and the laptop can connect to the AEM EMS, and the engine start.
I don't know what happen, is the NSX have a protection for fuel cut ?
I use the search function and I found the Main Relay problem, but my Main relay is good.
What appen :
I drive my car in mountain, and the engine shut down.
When I turn the Ignition, I didn't hear the fuel pump.
Do I check the 15A fuse and all others fuses.
I connect the AEM EMS to my laptop and the ECU is not power on.
I check the main relay with a multimeter, (check relay,diode,resistor) and all is OK.
I remove the connector A, and I heard my solenoid, I connect the laptop to the AEM EMS and now I can see the sensor.
I plug the connector A, and can't hear the solenoid and the laptop can't connect to the AEM EMS.
I remove the connector A, and I heard my solenoid, I connect the laptop to the AEM EMS and I can see the sensor.
Strange

I disconnect the Main Relay, pump relay, I check all relay with the multimeter, and all relay are fine.
I reconnect the connector A, and now I can hear the solenoid and the laptop can connect to the AEM EMS, and the engine start.
I don't know what happen, is the NSX have a protection for fuel cut ?