Yamaha 2012 TMAX XP500A Service Manual page 428

Fault code No.
Item
Fail-safe system
Diagnostic code No.
Actuation
Procedure
Item/components and
probable cause
1 Connection of ignition coil
connectors
Check the connection of the
connectors is secure.
Disconnect the connectors,
and check each pin (for
bending, wear, or locking).
2 Connection of wire harness
ECU coupler
Check the connection of the
coupler is secure.
Disconnect the coupler, and
check each pin (for bending,
wear, or locking).
3 Continuity of wire harness
4 Ignition coil installation status
Check the mounting section
for a loose or pinched mount-
ing.
33
Ignition coil: open or short circuit detected in the primary lead of the
ignition coil. (no normal signals are received from the ignition sys-
tem.)
Unable to start engine
Unable to drive vehicle
d:30
Actuates the ignition coil five times at one-second intervals.
Illuminates the engine trouble warning light.
Check that a spark is generated five times.
• Connect an ignition checker.
Check or maintenance job
Poor connection → Connect it
securely or replace the wire
harness.
Poor connection → Connect it
securely or replace the wire
harness.
Open or short circuit →
Replace the wire harness.
Orange–Orange
Make sure that the mounting
position is correct.
FUEL INJECTION SYSTEM
8-53
Sensor inspection proce-
dure
Start and idle the engine for
approximately 5 seconds.
Then, check the fault code
indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.
Start and idle the engine for
approximately 5 seconds.
Then, check the fault code
indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.
Start and idle the engine for
approximately 5 seconds.
Then, check the fault code
indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.
Start and idle the engine for
approximately 5 seconds.
Then, check the fault code
indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.