Suzuki Wagon R Plus RB310, Service Manual

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