Yamaha MT-01 Service Manual page 827

Manuals by Motomatrix / www.motomatrix.co.uk
EAS27700
TROUBLESHOOTING
When the main switch is turned to "ON", the immobilizer system indicator light does not come on nor
flashes.
1. Check the fuses.
(Main, ignition, backup, and ECU)
Refer to "CHECKING THE FUS-
ES" on page 7-93.
OK ↓
2. Check the battery.
Refer to "CHECKING AND
CHARGING THE BATTERY" on
page 7-94.
OK ↓
3. Check the main switch.
Refer to "CHECKING THE
SWITCHES" on page 7-89.
OK ↓
4. Check the entire immobilizer sys-
tem wiring.
Refer to "CIRCUIT DIAGRAM" on
page 7-75.
OK ↓
• Check the condition of the each im-
mobilizer system circuits.
• Refer to "SELF-DIAGNOSIS FAULT
CODE INDICATION" on page 7-81.
EAS27720
SELF-DIAGNOSIS FAULT CODE INDICATION
When a system malfunction occurs, the fault code number is signaled by the immobilizer system indi-
cator light.
Fault
Part
code
51 IMMOBILIZER
UNIT
Email: info@motomatrix.co.uk
NG →
NG →
NG →
NG →
Symptom
Code cannot be
transmitted be-
tween the key and
the immobilizer unit.
7-81
IMMOBILIZER SYSTEM
Replace the fuse(s).
• Clean the battery terminals.
• Recharge or replace the battery.
Replace the main switch/immobilizer unit.
Properly connect or repair the immobilizer
system wiring.
Cause
1. Radio wave interfer-
ence caused by ob-
jects around the keys
and antenna.
2. Immobilizer unit mal-
function.
3. Key malfunction.
Action
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.