Honda Civic 2002-2003 Service Manual page 942

4. Reconnect the moon roof control unit SP connector, and make these input tests at the connector.
If any test indicates a problem, find and correct the cause, then recheck the system.
If all the input tests prove OK, go to step 5.
Cavity
Wire ,
Test condition
Test: Desired result
5
BLK
Under all conditions
!
Check for continuity to ground:
There should be continuity.
1
YEL/GRN
Ignition switch ON (II) Check for voltage to ground:
There should be battery voltage.
4
LTGRN
Ignition switch ON
(II)
Check for voltage to ground:
Moonroof closed There should be 1 V or less.
-
Moonroof open Check for voltage to ground:
There should be battery voltage.
S. Disconnect the moonroof control unit SP connector, and make these input tests at the connector.
If any test indicates a problem, find and correct the cause, then recheck the system.
If all the input tests prove OK, the control unit must be faulty. Replace it.
Cavity Wire Test condition Test: Desired result
3
RED/YEL
Ignition switch ON (II) Connect a jumper wire between No.
3 and No. S terminals.
,
Moonroof motor should run
i
(opened).
,
2
GRNIWHT
Ignition switch ON
(II)
Connect a jumper wire between No.
2 and No. S terminals.
I
Moonroof motor should run (closed).
,
=
Possible cause if result is not obtained
• Poor ground (G501)
• An open in the wire
• Blown NO.6 (7 .SA) fuse in the under-
dash fuse/relay box
• An open in the wire
• Poor ground (GS01)
i
o
Faulty moon roof auto-stop switch
o
An open in the wire
-
- - -
Short to ground
o
Faulty moonroof auto-stop switch
Possible cause if result is not obtained
o
Poor ground (GS01)
o
Blown No.6 (7.5A) fuse in the under-
dash fuse/relay box
o
Blown NO.7 (20A) fuse in the under-
dash fuse/relay box
o
Faulty moonroof open relay
o
Faulty moonroof close relay
o
Faulty moon roof motor
o
An open in the wire
o
Poor ground (GS01)
o
Blown No.6 (7.5A) fuse in the under-
dash fuse/relay box
o
Blown No.7 (20A) fuse in the under-
dash fuse/relay box
o
Faulty moon roof open relay
o
Faulty moon roof close relay
o
Faulty moonroof motor
o
An open in the wire
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