2012 Suzuki SX4 BaseFACTORY OEM SERVICE PROCEDURE

Ignition System Check

TROUBLESHOOTING REFERENCE CHART

Step Action YES NO
1  Was "Engine and Emission Control System Check" performed?  Go to Step 2. Go to ENGINE AND EMISSION CONTROL SYSTEM CHECK .
2  Ignition spark test 1 
  1. Perform IGNITION SPARK TEST .

Is test result satisfactory? 		 Go to Step 3. Go to Step 4.
3  Ignition timing check 
  1. Check ignition timing. See IGNITION TIMING INSPECTION .

Is check result satisfactory? 		 Ignition system is in good condition. Repair or replace malfunctioning part.
4  Confirmation of malfunction-detected cylinder 
  1. Confirm any cylinder that the malfunction is detected on ignition spark test.

Are there malfunctions in all cylinders? 		 Go to Step 8. Go to Step 5.
5  Ignition spark test 2 
  1. Replace spark plug in malfunction-detected cylinder with spark plug of normal cylinder.
  2. Perform IGNITION SPARK TEST  on spark plug newly installed in malfunction-detected cylinder.

Is test result satisfactory? 		 Replace spark plug in malfunction-detected cylinder. See SPARK PLUG REMOVAL AND INSTALLATION . Go to Step 6.
6  Ignition spark test 3 
  1. Replace ignition coil assembly of malfunction-detected cylinder with the ignition coil assembly of normal cylinder.
  2. Perform IGNITION SPARK TEST  on spark plug in malfunction-detected cylinder.

Is test result satisfactory? 		 Replace ignition coil in malfunction-detected cylinder. See IGNITION COIL ASSEMBLY REMOVAL AND INSTALLATION . Go to Step 7.
7  Ignition coil assembly drive circuit check 
  1. Check drive circuits of each ignition coil assembly for open, short and poor connection.

Are circuits in good condition? 		 Go to Step 8. Repair or replace malfunctioning part.
8  Ignition coil assembly power supply and ground circuit check 
  1. Check power supply and ground circuits of ignition coil assembly for open, short and poor connection.

Are circuits in good condition? 		 Substitute a known-good ECM and recheck. Repair or replace malfunctioning part.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.