Acura NSX 1997 Service Manual page 1097

Main Menu
Cruise Control
Control Unit Input Test (cont'd)
Wire Test condition
Under all conditions
BLK
Ignition switch ON (II)
YEL/BLK
Ignition switch ON (II)
LTGRN and control switch ON
LT
GRN/
RESUME button pushed
BLK
SET button pushed
LT GRN/
RED
M/T: Clutch pedal
released
A/T: Shift lever in
BLU/ORN
Ignition switch ON (II)
and main switch ON;
ORN raise the rear of the car,
and rotate one wheel
slowly.
Ignition switch ON (II),
main switch ON; brake
GRY
pedal pushed, then
released
Brake pedal pushed,
then released
GRN/WHT
Ignition switch ON (II)
BLU/BLK
Table of Contents
Check for continuity to ground:
There should be continuity.
Check for voltage to ground:
There should be battery voltage.
Check for voltage to ground:
There should be battery voltage.
Ground each terminal:
Horns should sound as the switch is
pushed.
Check for continuity to ground:
There should be continuity.
or
Check for voltage between the
YEL/RED
There should be 0 - 5 V or more -
0 - 5 V or more repeatedly.
Check for voltage to ground:
There should be 0 V with the pedal
pushed and battery voltage with the
pedal released.
Check for voltage to ground:
There should be battery voltage with
the pedal pushed, and 0 V with the
pedal released.
Attach to ground: The indicator light
in the gauge assembly should come
on.
Test: Desired result
and BLK terminals:
Possible cause if result is not obtained
• Poor ground (G101)
• An open in the wire
• Blown No. 18 (20 A) fuse
• An open in the wire
• Blown No. 5 (15 A) fuse
• Faulty control switch
• An open in the wire
• Blown No. 45 (20 A) fuse
• Faulty SET/RESUME switch
• Faulty cable reel
• An open in the wire
• Faulty or misadjusted clutch switch
(M/T)
• Faulty A/T gear position switch (A/T)
• Poor ground (G401, G402, G403)
• An open in the wire
• Faulty vehicle speed sensor (VSS)
• An open in the wire
• Faulty brake switch
• An open in the wire
• Faulty brake switch
• An open in the wire
• Blown bulb
• Blown No. 5 (15 A) fuse
• Faulty dimming circuit in the gauge
assembly
• An open in the wire