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 DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 110 (KEYLESS START SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESKEYLESS START SYSTEM SYMPTOM DIAGNOSISDOOR LOCK FUNCTION OF KEYLESS START SYSTEM
2013 Suzuki SX4 Crossover, Automatic CVT Trans
Door Lock Function of Keyless Start System
2013 Suzuki SX4 Crossover, Automatic CVT TransSECTION Door Lock Function of Keyless Start System
WARNING: This page is about a different car, the 2011 Suzuki SX4. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Before performing trouble diagnosis procedure for door lock function of keyless start system, check that power door lock system operates properly referring to POWER DOOR LOCK SYSTEM OPERATION INSPECTION
. If power door lock system does not operate properly, go to Power Door Lock System Symptom Diagnosis
.
KEYLESS START SYSTEM SYMPTOM DIAGNOSIS CHART
| Condition | Possible Cause | Action |
|---|---|---|
| All doors can not be locked/unlocked by all of door request switches | 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 . | |
| 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 . | |
| BCM faulty | Check input and output signal of BCM referring to INSPECTION OF BCM AND ITS CIRCUITS . | |
| All doors can not be locked/unlocked by any one of door request switch | Request switch faulty | Check request switch for operation referring to FRONT DOOR (DRIVER AND PASSENGER SIDE), REAR END DOOR/TRUNK LID REQUEST SWITCH 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 . | |
| BCM faulty | Check input and output signal of BCM referring to INSPECTION OF BCM AND ITS CIRCUITS . |
RENDER: 1.0x
NO RELATED
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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.