Honda Acura NSX 1991 Service Manual page 223

(From page 1 l-46)
Measure resistance between ter-
minals of the indicated sensor
: _ . .
Is there 650-850 Q
Check for continuity to body
ground on A-H terminals in-
dividually.
Does continuity exist?
N O
Reconnect the connector.
Connect the ECU test harness to
the engine wire harness only, not
to the ECU (page 1 l-21).
I
Measure resistance between ter-
minals of the indicated sensor on
ECU test harness.
*see table
Is
there 650-850 Sa?
Y E S
Check for continuity to body
ground on B15, 813, Bl 1 or BQ
terminals.
Substitute a known-good ECU
and recheck. If symptomlindica-
tion goes away, replace the
original ECU.
I
N O Replace the CRANK/
C Y L s e n s o r ( p a g e
Y E S Replace the CRANK/
C Y L s e n s o r ( p a g e
Repair open in the in-
sensor wires.
*see table
SE
A
CRANK A 4
B B16
C
CRANK B 54
D
CYL A
9
H
E
CYLB 59
F
WHVBLU
II-47