Yamaha YZF-R6SR Automobile User Manual


 
7-13
Crankshaft position sensor
resistance
248 X 372 at 20_C (68 _F)
(between gray and black)
Tester positive probe ! gray
Tester negative probe ! black
1
2
12
FUEL INJECTION SYSTEM
FI
Fault code No. 12 Symptom No normal signals are received from the crankshaft position sensor.
Used diagnostic code No. – –
Inspection operation item and probable
cause
Operation item and countermeasure Reinstatement
method
Installed condition of sensor Check the installed area for looseness or
pinching.
Reinstated by
cranking the
Defective crankshaft position sensor. Replace if defective.
1. Disconnect the crankshaft position sensor cou-
pler from the wire harness.
2. Connect the pocket tester ( 100) to the
crankshaft position sensor coupler as shown.
3. Measure the crankshaft position sensor resis-
tance.
4. Is the crankshaft position sensor OK?
engine.
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
Connected condition of connector
Inspect the coupler for any pins that may
have pulled cut.
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