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 14 (AUTOMATIC TRANSMISSION)DIAGNOSTIC INFORMATION AND PROCEDUREDTC P0742CIRCUIT/SYSTEM TESTING
2013 Suzuki SX4 Crossover, Automatic CVT Trans
Circuit/System Testing
2013 Suzuki SX4 Crossover, Automatic CVT TransSECTION Circuit/System Testing
WARNING: This page is about a different car, the 2007 Suzuki XL7. However, it is still accessible from the selected car via links, so may be relevant.
- Engine ON, apply the parking brake, select P (park) using the Shift Control.
- Observe the scan tool Transmission ISS parameter. The reading should be within 400-800 RPM.
- If the ISS parameter is not within the specified range, test or replace the Transmission Input Speed Sensor (ISS). Refer to the INPUT SPEED SENSOR REPLACEMENT procedure.
- Perform a line pressure test. Refer to LINE PRESSURE CHECK procedure.
- Remove the Control valve body cover. Refer to CONTROL VALVE BODY COVER REMOVAL procedure.
- Inspect the inside of the control valve body cover for excessive sediment. There should not be excessive sediment.
- If excessive sediment is found inspect and replace as necessary the Torque converter assembly, Input shaft, and Fluid pump stator shaft assembly. Refer to TORQUE CONVERTER ASSEMBLY REMOVAL , FORWARD AND DIRECT CLUTCH ASSEMBLY ASSEMBLE and FLUID PUMP CLEANING AND INSPECTION procedures. If all conditions test normal, test or replace the transmission.
- Verify that the control valve body has been serviced within the past 3 months.
- If the control valve body has not been serviced, replace the control valve body assembly. Refer to CONTROL VALVE BODY REPLACEMENT procedure. If all circuits and components test normal, replace the transmission.
- If all circuits and components test normal, replace the transmission.
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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.