Suzuki Wagon R Manual page 3231

6F2-6 IGNITION SYSTEM (M13 ENGINE)
Step
Electrical Connection Check
1) Check ignition coil assemblies and high-tension
4
cords for electrical connection.
Are they connected securely?
High-tension Cords Check
1) Check high-tension cord for resistance referring to
5
"High-Tension Cords Inspection" in this section.
Is check result satisfactory?
Ignition Coil Assembly Power Supply and Ground Circuit
Check
6 1) Check ignition coil assembly power supply and
ground circuits for open and short.
Are circuits in good condition?
Ignition Coil Assembly Check
1) Check ignition coil for resistance referring to "Ignition
7 Coil Assembly (Including Ignitor) Inspection" in this
section.
Is check result satisfactory?
Crankshaft Position (CKP) Sensor Check
1) Check crankshaft position sensor referring to "Crank
8 Position Sensor (CKP Sensor) Inspection" in Section
6E2.
Is check result satisfactory?
Ignition Trigger Signal Circuit Check
1) Check ignition trigger signal wire for open, short and
9
poor connection.
Is circuit in good condition?
A Known-good Ignition Coil Assembly Substitution
1) Substitute a known-good ignition coil assembly and
10
then repeat Step 2.
Is check result of Step 2 satisfactory?
Ignition Timing Check
1) Check initial ignition timing and ignition timing
advance referring to "Ignition Timing Inspection" in
11 this section.
Is check result satisfactory?
Action Yes
Go to Step 5. Connect securely.
Go to Step 6. Replace high-tension
cord(s).
Go to Step 7. Repair or replace.
Go to Step 8. Replace ignition coil
assembly.
Go to Step 9. Tighten CKP sensor
bolt, replace CKP sen-
sor or CKP sensor
plate.
Go to Step 10. Repair or replace.
Go to Step 11. Substitute a known-
good ECM and then
repeat Step 2.
System is in good Check CMP sensor,
condition. CMP sensor rotor
tooth of camshaft, CKP
sensor, CKP sensor
plate and/or input sig-
nals related to this sys-
tem.
No