12" (P0335) Ckp Sensor Circuit Malfunction - Suzuki TU250X Service Manual

"12" (P0335) CKP SENSOR CIRCUIT MALFUNCTION

DETECTED CONDITION
The signal does not reach ECM for 3 seconds or
more, after receiving the starter signal.
CKP sensor
Generator
INSPECTION
NOTE:
After repairing the trouble, clear the DTC using SDS tool.
(4-24)
Step 1
1) Turn the ignition switch OFF.
2) Remove the front seat. (8-3)
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: 420 – 620 Ω (Bl – G)
G
Bl
To regulator/rectifier
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
Bl/R
B/Br
1
1
FI SYSTEM DIAGNOSIS 4-29
ECM
CKP
E2