Suzuki SY413 Service Manual page 2674

DTC P0335 CRANKSHAFT POSITION (CKP) SENSOR CIRCUIT
MALFUNCTION
CIRCUIT DESCRIPTION
DTC DETECTING CONDITION
D NO CKP sensor signal for 2 seconds at engine
cranking.
Reference
Connect oscilloscope between terminals C21-23 (+) and C21-24 (–) of ECM (PCM) connector connected to ECM
(PCM) and check CKP sensor signal.
Oscilloscope Waveforms
0.5 V / Div.
Waveforms at engine cranking (260 r/min)
DTC CONFIRMATION PROCEDURE
1) Clear DTC and crank engine for 2 sec.
2) Select "DTC" mode on scan tool and check DTC.
ENGINE GENERAL INFORMATION AND DIAGNOSIS (G13/G16 ENGINE WITH WU TWC) 6-1-75
Crankshaft
timing belt
CKP
pulley
sensor
0.5 V / Div.
10 ms / Div.
ECM
(PCM)
POSSIBLE CAUSE
D CKP sensor circuit open or short.
D Crankshaft timing belt pulley teeth damaged.
D CKP sensor malfunction, foreign material being
attached or improper installation.
D ECM (PCM) malfunction.
16 waives
for 105 signals
305 signal
Waveforms at specified idle speed
5 ms / Div.
13 waives for
105 signals
305 signal