Fail-Safe Relay - Honda 2002 Accord Manual

7VBS1
DTC 54; Fail-safe Relay
1. Check the A B S F/S (20 A) fuse in the under-hood
fuse/relay box, and reinstall the fuse if it is OK.
Is the fuse OK ?
Y E S - G o t o step 2.
NO
Replace the fuse, and recheck. •
2. Reinstall the fuse, and turn the ignition switch ON
(II).
Does the fuse blow?
Y E S
Repair short to body ground in the wire
between the fail-safe relay, pump motor relay, and
modulator unit.B
N O - G o t o step 3.
3. Check the fail-safe relay in the under-hood A B S
relay box (see page 22-52). The wire colors of fail-
safe relay connector are WHT/GRN, BRN/BLK, BLK,
and Y E L / G R N .
Is the relay OK?
Y E S — Leave the fail-safe relay removed, and go to
step 4.
NO
Replace the fail-safe relay. •
4. Measure the voltage between the fail-safe relay
connector terminal No. 1 and body ground.
F A I L S A F E R E L A Y C O N N E C T O R
- f B ( W H T / G R N )
T e r m i n a l s i d e o f f e m a l e t e r m i n a l s
5. Connect the fail-safe relay connector terminal No. 1
to No. 2 with a jumper wire.
F A I L - S A F E R E L A Y C O N N E C T O R
+ B ( W H T / G R N )
J U M P E R W I R E
c
S O L E N O I D
( B R N / B L K )
T e r m i n a l s i d e o f f e m a l e t e r m i n a l s
6. Disconnect the modulator unit connector.
7. Measure the voltage between terminal No. 10 and
body ground.
M O D U L A T O R U N I T C O N N E C T O R
S O L E N O I D
( B R N / B L K )
3 7 6 5 ?
T e r m i n a l s i d e o f f e m a l e t e r m i n a l s
Is there battery voltage?
Y E S - G o to step 8.
NO — Repair open in the wire between the fail-safe
relay and the modulator unit.B
8. Remove the jumper wire from the fail-safe relay
connector.
Is there battery voltage?
Y E S - Goto step 5.
NO
Repair open in the wire between the under-
hood fuse/relay box and the fail-safe relay. •
(cont'd)
19-63