Honda Acura NSX 1991 Service Manual page 1297

No. Wire Test
Under all conditions.
8
Under all conditions.
Passing swich ON.
Reconnect the 22-P and 16-P connectors to the control unit.
Wire Test
No.
Hood opened.
Ignition key is inserted
into the ignition switch.
1 2 BLU/GRN
Ignition key is removed
from the ignition switch.
Engine cover opened.
BLU
1 3
Engine cover closed.
1 4 o r BLK/
LT GRN
Trunk key in UNLOCK.
1 5 BRN/WHT
Trunk lid opened.
WHT
1 6
Trunk lid closed.
Test: desired result
condition
Attach to ground:
headlights should come on.
Connect to ground:
Taillights should come on.
Check for voltage to ground:
should be battery voltage.
Test: desired result
condition
Check for voltage to ground:
should be 1 V or less.
Check for voltage to ground:
should be 5 V or more.
Check for voltage to ground:
should be 1 V or less.
Check for voltage to ground:
should be 5 V or more.
Check for voltageto ground:
should be 1 V or less.
Check for voltage to ground:
should be 5 V or more.
Check for voltage to ground:
should be 1 V or less.
Check for voltage to ground:
should be 1 V or less.
Check for voltage to ground:
should be 1 V or less.
Check for voltage to ground:
should be 5 V or more.
Possible cause (if result is not obtained)
Faulty lighting relay.
l
Faulty lighting system.
l
An open in the wire.
l
Faulty taillight relay.
l
Fautly taillight system.
l
An open in the wire.
l
Faulty passig switch.
l
Faulty dimmer relay.
l
Faulty lighting relay.
l
An open in the wire.
l
Possible cause (if result is not obtained)
Faulty hood switch. Misadjusted
l
hood switch.
Poor ground (G301).
l
An open in the wire.
l
Faulty ignition key switch.
l
Poor ground (G401, G402j.
l
An open in the wire.
l
Faulty engine cover switch.
l
Misadjusted engine cover switch.
l
Poor ground (G401, G402).
l
An open in the wire.
l
Poor ground (G404).
l
An open in the wire.
l
Faulty trunk key.
l
Poor ground (G501).
l
An open in the wire.
l
Faulty trunk latch switch.
l
Misadjusted trunk latch
Poor ground (G501).
l
An open in the wrie.
l
switch.
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