Honda Acura NSX 1991 Service Manual page 213

(From page 1 I-36)
I s t h e r e
0.1 V or less when the
ignition
switch is first turned
o n ?
N O
wire harness side of
the 02 sen-
sor connector between A (+) and
Is there more than 0.1 V?
\
N O
Repair open in WHT (front) or
ECU (D14 or D16) and 02 sen-
sor.
FRONT:
0 0 0 0 0 0 0 0 0 0 0 0 0
Disconnect the 4P connector
from the 02 sensor.
I
Measure voltage between D14
minal and A26 (-) terminal.
N O
Disconnect the "D" connector
and recheck. If symptomlmdfca-
Replace 02 sensor.
REAR:
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 O O O O O O Q Q O O O
switch is first turned on. and
decrease to below 0.1 V in
less than two minutes.
I
Replace 02 sensor.
K S - A H M - 3 2