Honda Acura NSX 1991 Service Manual page 1079

Disconnect the 8-P connector from the igniter unit.
Make the following input tests at the harness pins.
If all tests prove OK, yet the system still fails to work,
replace the igniter unit
-
No. Wire
1 Under all conditions.
2
3 WHT' Ignition switch "ON".
5
6
7
8 WHT/RED
IGNITER UNIT
-
8-P CONNECTOR
Test condition
Check for continuity to ground
There should be continuity.
Check for voltage to ground:
There should be battery
voltage.
NOTE:
l See section 11 when self-diagnostic indicator blinks.
l
ing the fundamental tests for the ignition system and
fuel emission system.
Test: desired result
View
from wire side
Possible cause
(if result is not obrtained)
Poor ground (G403).
l
Blown NO 13 (30 A) fuse.
l
l Faulty ignition coil.