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 98 (DIFFERENTIAL ASSEMBLY)
2013 Suzuki SX4 Crossover, Automatic CVT Trans
Section 98 (Differential Assembly)
2013 Suzuki SX4 Crossover, Automatic CVT TransSECTION Section 98 (Differential Assembly)
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.
- Precautions
- General Description
- Schematic and Routing Diagram
- Component Location
- Diagnostic Information and Procedures
- 4WD Control System Check
- Notes
- Detail of 4WD Control System Check
- Step 1. Customer complaint analysis
- Step 2. DTC check, record and clearance
- Step 3 and 4. Visual inspection
- Step 5. Trouble symptom confirmation
- Step 6 and 7. Rechecking and record of DTC
- Step 8. 4WD control symptom diagnosis
- Step 9. Troubleshooting for DTC
- Step 10. Check for intermittent problem
- Step 11. Final confirmation test
- 4WD Position Indicator Operation Check
- 4WD Control System Operation Inspection
- Visual Inspection
- DTC Check
- DTC Clearance
- DTC Table
- Fail-Safe Table
- Scan Tool Data
- Rear Differential Symptom Diagnosis
- 4WD Control Symptom Diagnosis
- 4WD Position Indicator Does Not Come ON at Ignition Switch ON but Engine Stops
- 4WD Position Indicator Remains ON Steady at Ignition Switch ON
- DTC C1240: 4WD Control Module Power Supply Circuit Malfunction
- DTC C1243: Internal Circuit Malfunction of 4WD Control Module
- DTC C1250: Coupling Air Temperature Sensor Circuit Open
- DTC C1251: Coupling Air Temperature Sensor Circuit Short
- DTC C1252: Coupling Assembly Circuit Open
- DTC C1253: Coupling Assembly Circuit Short
- DTC C1254: 2WD/4WD Switch Malfunction
- DTC U0073: Control Module Communication Bus Off
- DTC U0100: Lost Communication with ECM
- DTC U0101: Lost Communication with TCM
- DTC U0121: Lost Communication with ABS/ESP® Control Module
- DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module
- Inspection of 4WD Control Module and Its Circuits
- 4WD Control System Check
- Repair Instructions
- Rear Differential Oil Level Check
- Rear Differential Oil Change
- 2WD/4WD Switch Removal and Installation
- 2WD/4WD Switch Inspection
- 4WD Control Module Removal and Installation
- Coupling Air Temperature Sensor Removal and Installation
- Coupling Air Temperature Sensor Inspection
- Coupling Assembly Inspection
- Rear Differential Mountings Components
- Front Mounting Arm and/or Rear Mounting Bracket Assembly Removal and Installation
- Rear Mounting Bracket Assembly Disassembly and Reassembly
- Rear Differential Dismounting and Remounting
- Rear Differential Components
- Rear Differential Disassembly and Reassembly
- Rear Differential Inspection
- Specifications
- Special Tools and Equipment
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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.