Yamaha XV19SX(C), Service Manual

Page: 396 / 494

IGNITION SYSTEM
7-5
NG
→
OK
↓
NG
→
OK
↓
NG
→
OK
↓
NG
→
OK
↓
NG
→
OK
↓
NG
→
OK
↓
NG
→
OK
↓
NG
→
OK
↓
7. Check the crankshaft position sen-
sor.
Refer to “CHECKING THE CRANK-
SHAFT POSITION SENSOR” on
page 7-84.
Replace the crankshaft position sensor.
8. Check the main switch.
Refer to “CHECKING THE
SWITCHES” on page 7-71. Replace the main switch.
9. Check the engine stop switch.
Refer to “CHECKING THE
SWITCHES” on page 7-71.
The engine stop switch is faulty. Replace
the right handlebar switch.
10.Check the neutral switch.
Refer to “CHECKING THE
SWITCHES” on page 7-71. Replace the neutral switch.
11.Check the sidestand switch.
Refer to “CHECKING THE
SWITCHES” on page 7-71. Replace the sidestand switch.
12.Check the relay unit (diode).
Refer to “CHECKING THE DI-
ODES” on page 7-81. Replace the relay unit.
13.Check the lean angle sensor.
Refer to “CHECKING THE LEAN
ANGLE SENSOR” on page 7-85. Replace the lean angle sensor.
14.Check the entire ignition system
wiring.
Refer to “CIRCUIT DIAGRAM” on
page 7-1. Properly connect or repair the ignition sys-
tem wiring.
Replace the ECU.