Honda Prelude 1993 Service Manual page 1246

Integrated Control Unit
Input Test (cont'd)
K€y-in/Seat Eelt
No. Terminal
8 1 3 8 1 1
8 9
View from terminal side of the
under dash fuse/relay box socket
Rsminder System:
Test condition
GRN/WHT BLU/WHT'
GRN/BLK
View from wire side oI the harness connector
Test: Desired result
Possible cause if result is not obtained
1
B1
Under all conditions.
Check tor continuity to groundl
There should be continuity.
. Poor ground (G4O1, c4O2, G4O4).
. An open in the wire.
B 8 Driver's door open.
Check for continuity to ground:
There should be continuity.
NOTE: Betore testing, remove
N o . 4 6 ( 1 5 A ) f u s e i n t h e
under-hood fuse/relay box.
. Faulty driver's door switch.
. An open in the wire.
BLU/WHT'
lgnition key is in-
serted into the igni-
tion switch.
Check for voltage to ground:
It should be 1 V or less.
Faulty ignition key switch.
Poor ground (G4O1, c4O2, G4O4).
An open in the wire.
4 RED/BLU lgnition switch ON
and driver's seat belt
u n b u c k l e d .
Check for voltage to ground:
It should be 1 V or less.
Faulty seat belt switch.
P o o r g r o u n d ( G 5 2 2 ) .
An open in the wire.
5 B9
lgnition switch ON.
Check for voltage to ground:
There should be battery
voltage.
. B l o w n N o . 1 3 ( 1 O A ) f u s e .
(ln the under-dash fuse/relay boxl
. An open in the wire.
Power Window Key-oft Time. System:
No,
Terminal
Test condition
Test: Desired tesult
2 3 - 1 6 8
Possible cause it .esult is not obtained
1
B1
U n d e r a l l c o n d i t i o n s . Check for continuity to ground:
There should be continuity.
. P o o r g r o u n d { G 4 O l , c 4 O 2 , G 4 O 4 } .
. An open in the wire,
2
B 5
Under all conditions.
Check tor voltage to ground:
The.e should be battery
voltage.
. B l o w n N o . 4 6 ( 1 5 A ) f u s e .
{ln the underhood fuse/relay box)
. An open in the wire.
B 8
Driver's door open.
Check for continuity to ground:
There should be continuity.
NOTE: Before testing, remove
N o . 4 6 { 1 5 A ) t u s e i n t h e
under-hood fuse/relay box.
' Faulty driver's door switch.
. An open in the wire.
G R N / R E D ' Passenger's door
o p e n .
Check for continuity to ground:
There should be continuity.
NOTE: Before testing. remove
No. 46 (1 5 A) fuse in the
under-hood tuse/relay box.
. Faulty door switch.
. An open in the wire.
5 G R N / B L K Connect the 85 ter
minal to the GRN/BLK
terminal.
Check window operationl
Power windows should work
with the key OFF.
Faulty power window relay.
Poor ground lG4O1 , c4O2, c4O4).
An open in the wire.