Honda Acura NSX 1991 Service Manual page 1150

Integrated Control Unit
A7 A8 A8 A4 A3 A2 Al
A l 4 A l 3 A l 2 A l l A 1 0 A 9 A 8
View from terminal side
Side Marker Light Flasher
Test condition
No. Terminal
Under all conditions.
1 A8
Under all conditions.
2 A9
Ignition switch ON.
A5
3
Lighting switch ON.
4 A6
Ignition switch ON
and turn signal switch should be battery voltage.
5 A l l
in left position.
Ignition switch ON
A3 and turn signal switch
6
in right position.
Connect the A9 termi- Check marker light operation:
7 PNK/BLU nal to the PNKlBLU
(or BLU/WHT) termi-
8 BLUMIHT n a l
Power Window key-off Timer System:
No. Terminal Test condition
Under all conditions.
1 A8
Under all conditions.
2
A9
Ignition switch ON.
3 A5
Left door opened.
4
5 GRN/RED Right door opened.
Connect the A9 termi- Check window operation:
6 A l 4
nal to the Al4
terminal.
23-164
System:
Test: desired
Check for continuity to ground:
should be continuity.
Check for voltage to ground:
should be battery voltage.
Check for voltage to ground:
should be battery voltage.
Check for voltage to ground:
should be battery voltage.
Check for voltage to ground:
left (or right) front side
marker light should come on.
Test: desired result
Check for continuity to ground:
should be continuity.
Check for voltage to ground:
should be battery voltage.
Check for voltage to ground:
should be battery voltage.
Check for continuity to ground:
should be continuity.
NOTE: Before testing, remove
No. 38 (15A) fuse.
Power windows
View from wire side
result Possible cause (If result is not obtained)
Poor ground (G401, G402):
l
An open in the wire.
l
Blown No. 34 (15A) fuse.
l
An open in the wire.
l
Blown No. 5 (IOA) or No. 29 (50
l
A) fuse.
An open in the wire.
l
Blown No. 38 (15A) fuse.
l
Faulty lighting switch.
l
An open in the wire.
l
Blown No. 46 (IOA) fuse.
l
Faulty turn signal system.
l
An open in the wire.
l
Blown bulb.
l
Poor ground (G301).
l
An open in the wire.
l
Possible cause (if result is not obtained)
Poor ground (G401, G402).
l
An open in the wire.
l
Blown No. 34 (I 5A) fuse.
l
An open in the wire.
l
Blown No. 5 (lOA) or No. 29
l
An open in the wire.
l
Faulty door switch.
l
An open in the wire.
l
Faulty power window relay.
l
should operate. Poor ground (G201).
l
An open in the wire.
l
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