Suzuki SFV650 Service Manual page 90

1A-27 Engine General Information and Diagnosis:
Malfunction
Detected Item
Code
C44
P0130
HO2 sensor
C44
P0135
C60
Cooling fan relay
P0480
DTC "C12" (P0335): CKP Sensor Circuit Malfunction
Detected Condition and Possible Cause
Detected Condition
The signal does not reach ECM for 3 seconds. or more,
after receiving the starter signal.
Wiring Diagram
CKP sensor
Generator
18 19 20 21 22 23 18 18
Detected Failure Condition
After engine is started few minutes.
(Sensor output voltage ≥ 2.5 V)
Engine is cold and stopped.
(Sensor output voltage < 0.1 V)
In other than the above value, C44
(P0130) is indicated.
The heater can not operate so that heater
operation voltage is not supply to the oxygen
heater circuit, C44 (P0135) is indicated.
Cooling fan relay signal is not input to ECM.
B/R
B/Y
ECM coupler (Harness side)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
24 25 26 27 28 29 30 31 32 33 34
• Metal particles or foreign material being stuck on the
CKP sensor and rotor tip.
• CKP sensor circuit open or short.
• CKP sensor malfunction.
• ECM malfunction.
W
O/Bl
To the regulator/rectifier
35
44 45 46 47 48 49 50 51 52
Check For
HO2 sensor is circuit open or
shorted to ground
HO2 sensor lead wire/coupler
connection
Battery voltage supply to the
HO2 sensor
Cooling fan relay, lead wire/
coupler connection
Possible Cause
ECM
27 CKPS
8 CKPS
37 38 39 40 41 42 43
B944H11104010
I944H1110007-02
I944H1110008-01