Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSUZUKI2012KIZASHI SPORT GTS, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)DRIVELINES & AXLESDIFFERENTIALS & DRIVE AXLESDIFFERENTIALDIAGNOSTIC INFORMATION AND PROCEDURESDTC C1240: 4WD CONTROL MODULE POWER SUPPLY CIRCUIT MALFUNCTIONDTC TROUBLESHOOTING
2012 Suzuki Kizashi Sport GTS, 4WD
DTC Troubleshooting
2012 Suzuki Kizashi Sport GTS, 4WDSECTION DTC Troubleshooting
DTC TROUBLESHOOTING CHART
| Step | Action | YES | NO |
|---|---|---|---|
| 1 | Was "4WD control system check" performed? | Go to Step 2. | Go to 4WD CONTROL SYSTEM CHECK . |
| 2 | 4WD control module power supply circuit check
Is it in good condition? |
Go to Step 3. | "4WD" fuse blown, repair or replace defective wire harness. |
| 3 | 4WD control module ground circuit check
Is it in good condition? |
Go to Step 4. | Repair or replace defective wire harness. |
| 4 | Charging system check
Is it in good condition? |
Substitute a known-good 4WD control module and recheck DTC, see 4WD CONTROL MODULE REMOVAL AND INSTALLATION . | Repair or replace charging system. |
RENDER: 1.0x
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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.