Yamaha 2006 YZFR6V, Service Manual

Page: 406 / 444

IMMOBILIZER SYSTEM
8-83
EAS27700
TROUBLESHOOTING
When the main switch is turned to “ON”, the immobilizer system indicator light does not come on nor
flashes.
NG
→
OK
↓
NG
→
OK
↓
NG
→
OK
↓
NG
→
OK
↓
EAS27720
SELF-DIAGNOSIS FAULT CODE INDICATION
When a system malfunction occurs, the fault code number is signaled by the immobilizer system indi-
cator light.
1. Check the fuses.
(Main, ignition, and backup)
Refer to “CHECKING THE FUS-
ES” on page 8-95.
Replace the fuse(s).
2. Check the battery.
Refer to “CHECKING AND
CHARGING THE BATTERY” on
page 8-96. • Clean the battery terminals.
• Recharge or replace the battery.
3. Check the main switch.
Refer to “CHECKING THE
SWITCHES” on page 8-91. Replace the main switch/immobilizer unit.
4. Check the entire immobilizer sys-
tem wiring.
Refer to “CIRCUIT DIAGRAM” on
page 8-77. Properly connect or repair the immobilizer
system wiring.
• Check the condition each of the im-
mobilizer system circuits.
Refer to “SELF-DIAGNOSIS FAULT
CODE INDICATION” on page 8-83.
Fault
code
Part Symptom Cause Action
51 IMMOBILIZER
UNIT Code cannot be
transmitted be-
tween the key and
the immobilizer unit. 1. Radio wave interfer-
ence caused by ob-
jects around the keys
and antennas.
2. Immobilizer unit mal-
function.
3. Key malfunction.
1. Keep magnets,
metal objects,
and other immo-
bilizer system
keys away from
the keys and an-
tennas.
2. Replace the
main switch/im-
mobilizer unit.
3. Replace the key.