Suzuki Swift User Manual page 471

6F-4 IGNITION SYSTEM
STEP
6 Ignition Coil Power Supply and Ground Circuit
Check
1) Check ignition coil power supply ("B/W" wire)
circuit for open and short.
Are circuits in good condition?
7 Ignition Coil Check
1) Check ignition coil for resistance, referring to
"Ignition Coil" in this section.
Is check result satisfactory?
8 CMP Sensor Check
1) Check CMP sensor and signal rotor, referring to
"Distributor Unit" in this section.
Is check result satisfactory?
9 Ignition Trigger Signal Circuit Check
1) Check ignition trigger signal ("Br/Y" or "Or" wire)
circuit for open, short and poor connection.
Are circuits in good condition?
10 Igniter Check
1) Check igniter, referring to "Igniter" in this section.
Is check result satisfactory?
11 Ignition Timing Check
1) Check initial ignition timing and ignition timing
advance, referring to "Ignition Timing" in this
section.
Is check result satisfactory?
12 Ignition Timing Adjustment and Recheck
1) Adjust initial ignition timing, referring to "Ignition
Timing" in this section.
2) Recheck initial ignition timing and ignition timing
advance, referring to "Ignition Timing" in this
section.
Is check result satisfactory?
ACTION YES
Go to Step 7.
Go to Step 8.
Go to Step 9 on the
next page.
Go to Step 10.
Go to Step 11.
Substitute a known-
good ECM (or PCM)
and then repeat
Step 2.
System is in good
condition.
NO
Repair or replace.
Replace ignition coil
assembly.
Adjust or replace.
Repair or replace.
Replace igniter.
Go to Step 12.
Substitute a known-
good ECM (or PCM)
and then repeat
Step 2.