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 MANUALSSUZUKI2013SX4 CROSSOVER, AUTOMATIC CVT TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEDOOR LOCKSKEYLESS START SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESKEYLESS START SYSTEM SYMPTOM DIAGNOSISKEYLESS ENGINE START FUNCTION
2013 Suzuki SX4 Crossover, Automatic CVT Trans
Keyless Engine Start Function
2013 Suzuki SX4 Crossover, Automatic CVT TransSECTION Keyless Engine Start Function
NOTE:
Before performing symptom diagnosis procedure for keyless engine start system, check that engine starts by using ignition key. If it cannot be started by using ignition key, go to ENGINE SYMPTOM DIAGNOSIS
.
KEYLESS ENGINE START FUNCTION DIAGNOSIS CHART
| Condition | Possible Cause | Action |
|---|---|---|
| Engine can not be started by turning Ignition knob switch | Circuit fuse(s) blown | Replace fuse(s) and check for short circuit . |
| Remote controller battery dead | Replace battery . | |
| Remote controller faulty | Check remote controller for operation referring to REMOTE CONTROLLER INSPECTION . | |
| Steering lock unit faulty | Check steering lock unit for operation referring to STEERING LOCK UNIT INSPECTION . | |
| Wiring or grounding faulty | Repair circuit . | |
| Antennas or keyless start control module faulty | Check input and output signals of keyless start control module referring to INSPECTION OF KEYLESS START CONTROL MODULE AND ITS CIRCUITS . | |
| ECM faulty | Check input and output signal of ECM referring to INSPECTION OF ECM AND ITS CIRCUITS . |
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.