Suzuki GA413 Service Manual page 437

STEP
4 1) Turn ignition switch OFF position.
2) Remove CMP sensor.
3) Visually inspect CMP sensor signal rotor for
damage with turning crankshaft.
Is CMP sensor signal rotor in good condition?
5 1) Install a known-good CMP sensor. Refer to
"CMP Sensor Installation" in this section.
2) Start engine and run it for 5 seconds.
3) Stop engine and check for DTC.
Is DTC NO.15 detected?
NOTE:
Upon completion of inspection and repair work, perform "DTC Confirmation Procedure" in this section and
confirm that the trouble has been corrected.
Fig. for Step 2
ACTION
Fig. for Step 3
ENGINE AND EMISSION CONTROL SYSTEM 6E-27
YES
Go to Step 5.
Poor connection of CMP
sensor connector termi-
nal.
If OK, substitute a
known-good ECM and
recheck.
Fig. for Step 4
NO
Faulty CMP sensor sig-
nal rotor.
Faulty CMP sensor.