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.
2011 Suzuki SX4 2WD L4-2.0LFACTORY OEM SERVICE PROCEDURE
Keyless Start Control Module Power and Ground Circuit Check
Keyless Start Control Module Power and Ground Circuit Check
Wiring Diagram
Troubleshooting
1. Fuse check
Turn ignition switch to OFF position.
Check circuit fuse and main fuse for condition.
Are fuses in good condition?
YES
Go to Step 2.
NO
Replace fuse(s) and check for short.
2. Power supply circuit check
Disconnect connector from keyless start control module.
Check for proper connection to "Power source", "ACC signal" and "IG ON signal" terminal of keyless start control module connector.
If OK, measure voltage between following terminals.
- "Power source" terminal of keyless start control module connector and vehicle body ground with ignition switch is at OFF position
- "ACC signal" terminal of keyless start control module connector and vehicle body ground with ignition switch is at ACC position
- "IG ON signal" terminal of keyless start control module connector and vehicle body ground with ignition switch is at ON position
Is each terminal voltage is 10 - 14 V?
YES
Go to Step 3.
NO
Repair defective power supply circuit.
3. Ground circuit check
Check for proper connection to "Ground" terminal of keyless start control module connector.
If OK, measure resistance between "Ground" terminal of keyless start control module connector and vehicle body ground.
Is resistance 1 ohms or less?
YES
Power and ground circuit is in good condition.
NO
Repair ground circuit.
Factory Service Tools
Use the Manual With the Right Hardware
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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.