Suzuki Wagon R Plus RB310, Service Manual

Page: 293 / 846

6-2-118 ENGINE GENERAL INFORMATION AND DIAGNOSIS (M13 ENGINE)
7 Check CMP Sensor.
1) Remove CMP sensor referring to “CMP Sensor
Removal and Installation” in Section 6E2.
2) Remove metal particles on end face of CMP sen-
sor, if any.
3) Connect CMP sensor connector.
4) Turn ignition switch to ON position.
5) Check voltage between “E22-10” terminal of ECM
connector and engine ground by passing magnetic
substance (iron) (1) while keeping approx. 1 mm
(0.03 in.) gap with respect to end face of CMP sen-
sor. See fig. 2.
Does voltage vary from low (0 – 1 V) to high (4 – 5 V)
or from high to low?
Go to Step 8. Replace CMP sen-
sor.
8 Check signal rotor for the following. See fig. 3.
• Damage
• No foreign material attached
Is it in good condition?
Intermittent trouble or
faulty ECM.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection” in Section
0A. Clean rotor teeth or
replace signal rotor.
Step Action Yes No