Honda Acura NSX 1991 Service Manual page 623

Troubleshooting
Problem code 21:
Turn the ignition switch OFF end
disconnect the ESP control unit
connectors.
Connect test harness A to the
wire harness side only.
Position the steering wheel so the
front wheels are pointing straight
ahead. ,
Measure the voltage between the
A5 (+ ) and A 15 ( - ) terminals.
Turn the steering wheel to the left
and check the voltage between
t h e A 5 (+I a n d A l 5 t-f ter-
minals.
NOTE:
l
speed of 180"' per secpnd.
l
N O
(To page 17-55)
17-54
.
Turn the steering wheel at an approx.
Use an analog tester.
TEST HARNESS A
12131415161718 7 8 9 IOII 12
Standard Output Values
Steering wheel
operation
Straight ahead
Turned to the left Approx. -0.1 V
Turned to the right
Approx. +O.l V
Output Characteristics
Steering wheel speed
NOTE: The output must correspond to the
steering wheel speed.
Standard
o v