Honda Prelude 1993 Service Manual page 1329

I
' 1 .
NOTE: The control unit is built into the master power
window switch, and onlv controls the driver's window.
Remove the driver's door handle panel and discon-
nect th€ 1O-P 8nd 3-P connectors from it.
lnsoect the connector terminals to be sure they are
all making good contact.
a lf the terminals are bent, loose, or corroded,
reDair them as necessary, and recheck the
sYstem.
a It the terminals look OK, make the tollowing in-
out tests at the 1O-P connectol
- lf a test indicates a ptoblem, {ind and correct
the cause, then recheck the system.
- lf all input tests prove OK, the control unit
must be faulty; replace the master power
window switch.
RED/YEL
WHT/BLK
BLU/YEL
Test: Desirsd rssult
Possible cause if rosult is not obtained
3-P CONNECTOR
ELKI BLK' BLU/BLK
lrom
wire side
No. Terminal
Test condition
1O-P CONNECTOR
1
B L K l
Under all conditions.
Check for continuity to ground:
There should be continuity.
. Poor ground (G4O1 , G4O2, G4O4)
' A n o p e n i n t h e w i r e .
WHT/BLK lgnition switch ON.
Check for voltage to ground:
There should be battery
voltage.
Blown No. 1 5 or
'16
{2O A) fuse.
(ln the underdash fuse/relaY boxl
Faulty power window relaY.
An open in the wire.
BLU/BLK
RED/BLU
and
RED/YEL
connect the wHT/
BLK terminal to the
RED/BLU terminal,
and the RED/YEL ter-
minal to the BLKI ter-
minal, then turn the
ignition switch ON.
Check the driver's window
motor: lt should run.
. Faulty driver's window motor.
. An open in the wire.
4
BLU/YEL
ano
BLU/GRN
Connect the BLU/BLK
terminal to the BLU/
GRN terminal, and the
BLU/Y€L terminal to
the BLK terminal,
then turn the ignition
switch ON.
Check the passenger's window
motor: lt should run.
Faulty passenger's window motor.
Faulty passenger's window switch.
An open in the wire.
5
BLU
ano
BLK'
connect the wHT/
BLK terminal to the
RED/YEL terminal,
and the BLK2 terminal
to the RED/8LU ter-
minal, then turn the
ignition switch ON.
Connect an analog ohmmeter
to the BLU and BLK2 terminals:
The meter needle should move
back and forth as the driver's
window motor runs.
Faulty pulser.
Faulty driver's window motor.
An open in the wire.