[D-2] Maintenance Of The Abs Fail-Safe Relay - Yamaha YP250A 1999 Supplementary Service Manual

Operation of solenoid relay
Terminal number
Normal
condition
Connect the
battery to
7
and 8 termi-
nal
ANTI-LOCK BRAKE SYSTEM (ABS)
: Continuity
[D-2] MAINTENANCE OF THE ABS FAIL-SAFE
RELAY
Removing the fail-safe relay
1. Remove:
S ABS fail-safe relay coupler 1
NOTE:
Do not pull the ABS fail-safe relay leads to remove
the ABS fail-safe relay connector.
Always press on the lock 2 and remove it.
Checking the fail-safe relay
1. Check:
S Solenoid relay continuity
Connect the pocket tester (Ω X 1) to terminals.
Check the continuity between the terminal 3
and 4 of solenoid relay.
Tester's positive (+) lead ! Terminal 3
Tester's negative (–) lead ! Terminal 4
If tester reading is " ". ! Replace the fail-safe
relay.
S Check the continuity between the terminal 7
and 8 of solenoid relay.
Tester's positive (+) lead ! Terminal 7
Tester's negative (–) lead ! Terminal 8
If tester reading is " ". ! Replace the fail-safe
relay.
S Finally, connect the battery's positive (+) termi-
nal to the terminal 7 of solenoid relay, nega-
tive (–) terminal to the terminal 8 , and check
the continuity between the solenoid terminal
4 and 5 .
62
CHAS