Suzuki Wagon R Manual page 2117

6-2-114 ENGINE GENERAL INFORMATION AND DIAGNOSIS (M13 ENGINE)
Step
7 Check CKP Sensor.
1) Remove CKP sensor referring to "CKP Sensor
Removal and Installation" in Section 6E2.
2) Remove metal particles on end face of CKP
sensor, if any.
3) Connect CKP sensor connector.
4) Turn ignition switch to ON position.
5) Check voltage between "E22-30" wire terminal
of ECM connector and engine ground by pass-
ing magnetic substance (iron) (1) while keep-
ing approx. 1 mm (0.03 in.) gap with respect to
end face of CKP sensor. See fig. 2.
Does voltage vary from low (0 – 1 V) to high (4 – 5
V) or from high to low?
8 Check signal rotor for the following. See fig. 3.
• Damage
• No foreign material attached
Is it in good condition?
Action Yes
Go to Step 8.
Intermittent trouble or
faulty ECM.
Check for intermittent
referring to "Intermittent
and Poor Connection
Inspection" in Section 0A.
No
Replace CKP sensor.
Clean rotor teeth or
replace signal rotor.