FI
Fault code No.
12
Symptom
No normal signals are received from the crankshaft position sensor.
Used diagnostic code No. – –
Order Inspection operation item and probable
cause
Operation item and countermeasure
Reinstatement
method
1
Installed condition of sensor
Check the installed area for looseness or pinching.
Reinstated by
cranking the
engine.
2
Connected condition of connector
Inspect the coupler for any pins that
may have pulled out.
Check the locking condition of the
coupler.
If there is a malfunction, repair it and connect it
securely.
Crankshaft position sensor coupler
Main wiring harness ECU coupler
3
Open or short circuit in wiring harness.
Repair or replace if there is an open or short circuit
between the main wiring harnesses.
Between sensor coupler and ECU coupler
Gray – Gray
Black/Blue – Black/Blue
4
Defective crankshaft position sensor.
Replace if defective.
1. Disconnect the crankshaft position sensor cou-
pler from the wire harness.
2. Connect the pocket tester (
Ω
×
100) to the
crankshaft position sensor coupler as shown.
3. Measure the crankshaft position sensor resis-
tance.
4. Is the crankshaft position sensor OK?
Tester positive probe
→
gray
Tester negative probe
→
black
Crankshaft position sensor
resistance
445 ~ 545
Ω
at 20°C (68°F)
(between gray and black)
FUEL INJECTION SYSTEM
72
Содержание RX10LTGTYL
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Страница 1664: ...Yamaha Motor Canada Ltd 480 Gordon Baker Road Toronto ON M2H 3B4 ...