C12" (P0335) Ckp Sensor Circuit Malfunction - Suzuki GSX-R750 Service Manual

"C12" (P0335) CKP SENSOR CIRCUIT MALFUNCTION

DETECTED CONDITION
The signal does not reach ECM for 3 sec. or more,
after receiving the starter signal.
INSPECTION
Step 1
1) Turn the ignition switch OFF.
2) Lift and support the fuel tank. (5-3)
3) Check the CKP sensor coupler for loose or poor contacts.
If OK, then measure the CKP sensor resistance.
4) Disconnect the CKP sensor coupler and measure the resis-
tance.
 CKP sensor resistance: 142 – 194 Ω (B – G)
CKP sensor
B
G
POSSIBLE CAUSE
• 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
G/W
O/BI
1
1
FI SYSTEM DIAGNOSIS 4-35
ECM
CKP
CKP