Honda Acura NSX 1991 Service Manual page 232

Self-diagnosis Check Engine light indicates code 15: A problem in the Ignition Output Signal circuit.
jumped (see page 1 I-18).
P r o c e d u r e s 1
Is Check E n g i n e light on and
does it indicate CODE 157
Y E S
Check for continuity to body
ground on C and F terminals in-
dividually.
Does continuity exist?
Y E S
Disconnect the 6P connector
from the igniter unit.
Connect the ECU test harness
between the ECU and connector
(page 1 l-21).
II-56
Ignition Output Signal
IGNITER
Intermittent failure, system is OK
at this time.
N O
Check for poor connections or
loose wires at Igniter unit C143,
Cl 23 and ECU.
Repair open in 8LK wire between
8P connector and G103.
NOTE:
Inspection of igniter unit
secondary circuit
(Section 23).
l 1:
N
U IT
S E C O N D A R Y
IGNITION
W I R E C O L O R
TERMINAL
COIL (2P)
F
G
5
H
No. 6
I