Honda Acura NSX 1991, Service Manual

Page: 1135 / 1420

No. Wire
Test condition Test: desired result Possible cause (if result is not obtained)
a
1
BLK
Under all conditions. Check for continuity to ground:
l
Poor ground 402)
should be continuity.
l
An open in the wire.
2 YEL
Ignition switch ON. Check for voltage to ground:
l
Blown No. 5 A) fuse.
should be battery voltage.
l
An open in the wire.
Brake pedal pushed. Check for continuity to ground:
l
Blown No. 45 (20 A) fuse.
should be continuity with the
l
Faulty brake light switch.
pedal pushed.
l
Blown brake light bulbs.
3
l
Faulty brake light failure sensors.
l
Poor ground
l
An open in the or
wire.
4 BLU
Engine cover opened. Check for continuity to ground:
l
Faulty engine cover switch.
should be continuity.
l
An open in the wire.
Trunk lid
Check for continuity to ground:
l
Faulty trunk latch switch.
5
should be continuity.
l
An open in the wire.
NOTE: Before testing, remove
No.34 (15 A) fuse.
Lighting switch ON
Check for voltage between
l
Faulty dashlight brightness control
8 RED/BLK and and dashlight bright- RED/BLK and RED
system.
RED ness control dial in terminals:
l
An open in the wire.
full bright. should be battery
GRN/BLU
Driver’s door opened. Check for continuity to ground:
l
Faulty door switch.
should be continuity.
l
An open in the wire.
7
Passenger’s door
NOTE: Before testing, remove
opened.
No. 34 (15 A) fuse.
Dome light switch in Connect to ground: Dome light
l
Blown No. 34 (15 A) fuse.
8
MIDDLE position.
should come on.
l
Faulty dome light.
l
An open in the WHT/BLU or
wire.
the Connect the battery voltage to
l
Faulty retractable headlight control
14-P connector of teminal retractor) or
unit.
9 retractor sub
BLU teminal retractor), after
l
Frozen, stuck, or improperly installed
harness left or right. about 4 seconds should be
retractor likage.
tery voltage.
Terminal is floor wire harness side.
23-149