Suzuki Wagon R Manual page 3229

6F2-4 IGNITION SYSTEM (M13 ENGINE)
Ignition System Symptom Diagnosis
Condition
Engine cranks, but will
not start or hard to
start (No spark)
Poor fuel economy or
engine performance
Diagnosis
Possible Cause
Blown fuse for ignition coil
Loose connection or disconnection of lead wire
or high-tension cord(s)
Faulty high-tension cord(s)
Faulty spark plug(s)
Faulty ignition coil
Faulty CKP sensor or CKP sensor plate
Faulty CMP sensor or sensor rotor tooth of
camshaft
Faulty ECM
Incorrect ignition timing
Faulty spark plug(s) or high-tension cord(s)
Faulty ignition coil assembly
Faulty CKP sensor or CKP sensor plate
Faulty CMP sensor or sensor rotor tooth of
camshaft
Faulty ECM
Correction
Replace.
Connect securely.
Replace.
Replace.
Replace ignition coil assembly.
Clean, tighten or replace.
Clean, tighten or replace.
Replace.
Check related sensors and CKP
sensor plate.
Adjust, clean or replace.
Replace.
Clean, tighten or replace.
Clean, tighten or replace.
Replace.