Acura 2002 RSX Service Manual page 1327

Troubleshooting
Special Tool Required:
MPCS Service Connector 07WAZ-00'1010A
Mode I Test
'1.
Remove the dashboard lower cover {see page 20-
6 1 ) .
2 . C h e c k t h e N o . 9 ( l 0 A l f u s e i n t h e u n d e r - h o o d f u s e /
r e l a y b o x a n d t h e N o . 1 0 ( 7 . 5 A ) f u s e i n t h e u n d e r -
dash fuse/relay box.
Are the fuses OK?
YES Go to step 2,
NO - Find and repair the cause of the blown fuse.l
3 . T u r n t h e i g n i t i o n s w i t c h O N ( l l | .
lf the driver's seat belt is unbuckled, the seat belt
r e m a i n d e r w i l l c h i m e 6 t i m e s .
4, Set the ceiling light to the center position and close
a l l t h e d o o r s .
5. Connect the special tool (A) to the multiplex
inspection connector (B).
MODE 1: lgnition switch light and ceiling light
6. After about 5 seconds, the spotlight and ceiling
light should come on for 2 seconds, go out, then
blink on for 0.2 second to show the system is now
i n m o d e 1 .
Did the spotlight and ceiling light indicate mode
1 ?
YES Go to step 8.
NO Go to step 7.
7. Check for continuity between the No. 4 terminal of
the under-dash fuse/relay box connector J and
body ground.
ls there continuity?
YES Replace the under dash fuse/relay box.l
NO Repair the open in the wire.lf the wire is OK,
r e p a i r G 3 0 1 . 1
8. lfthere are any DTCS present. the spollight and
c e i l i n g l i g h t w i l l b l i n k l o i n d i c a t e l h e D T C ( S ) . l f m o r e
than one DTC is present, the DTCS will be displayed
in ascending order. lf there are no DTCS, the
s p o t l i g h r a n d c e i l i n g l i g h t w i l l n o t b l i n k a g a i n a f t e r
the mode 1 indication.
Are thete any DTCS?
YES Go to step 9.
NO' Go to Mode 2 Test.
9. Troubleshoot the DTC(s) in the order indicated
using the following charts.
lf a faulty control unit is suspected, substitute it
with a known good part and recheck for DTCS.
. l f t h e D T C ( S ) i s s t i l l p r e s e n t , g o t o t h e n e x t s t e p
listed for the DTC.
. lfthe DTC(S) is no longer present replace the
o r i g i n a l p a r t .
(cont'd)
22-175