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 23 (ENGINE GENERAL INFORMATION AND DIAGNOSIS)DIAGNOSTIC INFORMATION AND PROCEDURESDTC P0101CIRCUIT/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.
- Inspect for the following conditions:
- An engine vacuum leak
- An air leak in the intake air duct between the mass air flow (MAF) sensor and the throttle body
- A plugged or collapsed intake air duct
- Objects that block the MAF sensor air inlet
- An air filter element that is restricted
- The hydro-carbon absorber in the air cleaner assembly for ruptures or deterioration.
- A restricted throttle plate or for carbon build-up around the throttle plate
- An unseated engine oil dip stick
- A loose or missing engine oil fill cap
- An over filled crankcase
- If you find any of the above conditions, repair as necessary.
- Ignition OFF, disconnect the harness connector at the MAF sensor.CAUTION: Do NOT use the low reference circuit in the component harness connector for this test. Damage to the control module may occur due to excessive current draw.
- Ignition ON, load test the ignition circuit for B+ between terminal B and ground.
- If less than the specified value, repair the ignition circuit for an open/high resistance.
- Test for less than 5 ohms between the ground circuit terminal C and the battery ground.
- If greater than the specified value, repair the ground circuit for an open/high resistance.
- Test for less than 5.10 volts between the signal circuit terminal A and ground circuit terminal C.
- If greater than the specified value, test the signal circuit for a short to voltage. If the circuit/connections test normal, replace the ECM.
- Test for greater than 3.98 mA between the signal circuit terminal A and the ground circuit terminal C.
- If less than the specified value, test the signal circuit for an open/high resistance or for a short to ground. If the circuit/connections test normal, replace the ECM.
- If all circuits/connections test normal, replace the MAF sensor.
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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.