Honda Acura NSX 1991 Service Manual page 277

(From page 1 l-100)
Measure the voltage between A8
minal.
Is there battery voltage?
N O
Turn the ignition switch OFF.
Install a jumper wire" between
YEL (+) terminal and RED (-1 ter-
minal on the fuel pump relay con-
,
ON.
Measure the voltage between A8
minal.
Remove a jumper wire.
Measure the voltage bet-
YEL (+I terminal (on
the fuel pump relay connec-
YES
Repair open in RED wire bet-
ween ECU (A81 and fuel
pump relay.
Replace Fuel Pump
Relay.
. YES
R e p l a c e f u e l p u m p
relay.
CAUTION:
*the "A" connector must be discon-
for this test or the ECU will be
damaged.
Repair open in YEL wire bet-
ween No. 5 fuse and fuel
pump relay.
YEL
R E