Honda Acura NSX 1991 Service Manual page 258

Idle Control System
-Troubleshooting
This signals the PGM-FI ECU when the engine is cranking.
Inspection of Starter
Signal.
Connect the ECU test harness
between the ECU and connector
(page 1 l-211.
Measure voltage between Cl1
minal.
Is there battery voltage
Y E S
I
Starter switch signal is OK.
Flowchart Starter Switch Signal
Switch
NOTE: Clutch pedal must be depress-
ed on M/T models.
BATTERY
Inspect No. 7 fuse.
Is No. 7 fuse OK ?
YES