Honda Civic Service Manual page 1709

Funstion Test
CAUTION: Bo careful not to damago the moonroof switch
or ths driv6r's dashboard lowsr cover when prying the
3witch out.
NOTE: Check the No. 51 (20 Al fuse in the under-hood
tuse/relay box and No.24 (7.5 A) fuse in the under-dash
fuse/relay box, before testing.
1. Prv the switch out of the driver's dashboard lower
cover.
swtTcH
Wire side of female terminals
2.
Disconnect the 4P connector from the switch
4P CONNECTOR
l - t
23-237
Connect the No. 1 (YELI terminal to body ground
with a jumper wire, then turn the ignition switch ON
(ll). The moonroof should open.
. lf the moonroot opens, check the switch.
. lf the moonroot does not open, check for:
-
an open in the YEL wire.
- faulty moonroof open relay.
- faulty moonroof close relay,
- poor ground (G401, G402).
- fa u lty open/close switch.
Connect the No. 3 (YELnED) terminal to body ground
with a jumper wire. then turn the ignition switch ON
(ll). The moonroof should close.
.
lf the moonroof closes. check the switch.
. lf the moonrool does not close, check for:
- an open in the YEURED or GRN/RED wire'
- faulty moonroof close relaY.
- faulty moonroot oPen relaY.
- faulty tilvclose switch.
Connect the No. 2 (BLU) terminal to body ground with
a jumper wire, then turn the ignition switch oN (ll).
The moonroof should tilt up.
.
lf the moonroof tilts up, checkthe switch.
. lf the moonroof does nottilt up, checkfor:
-
an open in the BLU wire.
- taulty tilvclose switch
Connect the No. 3 (YEURED) terminal to bodY ground
with a jumper wire, then turn the ignition switch ON
(ll), The moonroof should tilt down.
lf the moonroof does not tilt down, the open/close
relay must be taulty.
Check for continuity to body ground on the No. 4
{ B L K } t e r m i n a l .
There should be continuity.
. lf there is continuity, check the switch
. lf there is no continuity, check for:
- an open in the BLK wire
- poor ground (G401, G402).
6 .
7 .