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FI SYSTEM DIAGNOSIS 4-35
“C12” (P0335) CKP SENSOR CIRCUIT MALFUNCTION
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)
DETECTED CONDITION POSSIBLE CAUSE
The signal does not reach ECM for 3 sec. or more,
after receiving the starter signal.
• 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
ECM
CKP sensor
CKP
CKP
G/W
G
B
O/BI
1
1