Acura 2002 RSX Service Manual page 1109

DTC 12: A Problem in the Blower Motor
Circuit
1 . Check the No. 12 (40A) fuse in the under-hood
fuse/relay box, and the No. 14 ('10A)fuse in the
under-dash fuse/relay box.
Are the tuses OK?
YES- Go to step 2.
NO Replace the fuse(s), and recheck.I
2. Connect the No. 2 terminal of the blower motor 2P
c o n n e c t o r t o b o d y g r o u n d w i t h a j u m p e r w i r e .
3. Turn the ignition switch ON (ll).
Does the blower motor run?
YES -- Go to step 4.
N O G o t o s t e p 1 7 .
4. Turn the ignition switch OFF.
5. Dlsconnect the jumper wire.
6. Disconnect the power transistor 4P connector.
BLOWER MOTOR 2P CONNECTOR
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Wire side oJ female terminals
7. Check for continuity between the No. 3 terminal of
the power transistor 4P connector and body ground.
POWER TRANSISTOR 4P CONNECTOR
Wire side oI {emale terminals
ls therc continuity?
YES Go to step 8.
NO Check for an open in the wire between the
power transistor and body ground. lf the wire is OK,
check for poor ground at G402.1
Connect the No. 1 and No. 3 termials of the power
transistor 4P connector with a jumper wire.
POwER TRANSISTOR ilP CONNECTOR
JUMPER
WIRE
Wire side of female terminals
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 ) .
Does the blower motor run at high speed?
YES - Go to step 10.
NO- Repair open in the wire between the power
transistor and the blower motor.l
Turn the ignition switch OFF.
Disconnect the jumper wire.
9 .
1 0 .
1 1 .
(cont'd)
1
2
3
4
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