Honda Acura NSX 1991 Service Manual page 195

II. ECU Reset Procedure
1. Turn the ignition switch off.
2; Remove the CLOCK fuse (7.5 A) from the main relay box for 10 seconds to reset ECU.
NOTE: Disconnecting the CLOCK fuse also cancels the radio preset stations and the clock setting. Make note of
the radio presets before removing the fuse so you can reset them.
NOTE: If the Service Check Connector is jumped the Check Engine light will stay on.
2. Do the ECU Reset Procedure.
3. Set the radio preset stations and the clock setting.
CLOCK
FUSE
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