Honda Acura NSX 1991 Service Manual page 280

Fuel Supply System
-Main Relay (cont'd)
Troubleshooting Flowchart
Disconnect the main relay con-
Measure the voltage between
g r o u n d .
Is there battery voltage?
Turn the ignition switch ON.
Is there batterv voltage?
Is there battery voltage?
YES
position.
Measure the voltage between
BLK/WHT terminal @ and body
g r o u n d .
Is there battery voltage?
YES
1 I-104
1
N O
Replace IG COIL fuse.
N O
Replace No. 7 fuse.
MAIN RELAY
I