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 55 (PRECAUTIONS)PRECAUTIONSPRECAUTIONS FOR ELECTRICAL CIRCUIT SERVICE

2013 Suzuki SX4 Crossover, Automatic CVT Trans

Precautions for Electrical Circuit Service

2013 Suzuki SX4 Crossover, Automatic CVT TransSECTION Precautions for Electrical Circuit Service

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.

When replacing a fuse, make sure to use a fuse of the specified capacity. Use of a fuse with a larger capacity will cause a damage to the electrical parts and a fire.

Fig 1: Precautions For Replacing Fuse
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When disconnecting and connecting coupler, make sure to turn ignition switch OFF, or electronic parts may get damaged.

Fig 2: Precautions For Disconnecting And Connecting Coupler
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When disconnecting connectors, never pull the wiring harness. Unlock the connector lock first and then pull them apart by holding connectors themselves.

Fig 3: Precautions For Handling Wiring Harness
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When connecting connectors, also hold connectors and put them together until they lock securely (a click is heard).

Fig 4: Precautions For Handling Connectors
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When installing the wiring harness, fix it with clamps so that no slack is left.

Fig 5: Precautions For Handling Wiring Harness
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When installing vehicle parts, be careful so that the wiring harness is not interfered with or caught by any other part.

Fig 6: Precautions For Installing Vehicle Parts
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To avoid damage to the harness, protect its part which may contact against a part forming a sharp angle by winding tape or the like around it.

Fig 7: Precautions For Handling Harness
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Be careful not to touch the electrical terminals of parts which use microcomputers (e.g. electronic control unit like as ECM, PCM, P/S controller, etc.). The static electricity from your body can damage these parts.

Fig 8: Precautions For Handling Electrical Terminals Of Parts
Courtesy of SUZUKI OF AMERICA CORP.
Never connect any tester (voltmeter, ohmmeter, or whatever) to electronic control unit when its coupler is disconnected. Attempt to do it may cause damage to it.
Never connect an ohmmeter to electronic control unit with its coupler connected to it. Attempt to do it may cause damage to electronic control unit and sensors.
Be sure to use a specified voltmeter/ohmmeter. Otherwise, accurate measurements may not be obtained or personal injury may result. If not specified, use a voltmeter with high impedance (M Ω/V minimum) or a digital type voltmeter.
When taking measurements at electrical connectors using a tester probe, be sure to insert the probe (2) from the wire harness side (backside) of the connector (1).

Fig 9: Precautions For Handling Electronic Control Unit
Courtesy of SUZUKI OF AMERICA CORP.
When connecting meter probe (2) from terminal side of coupler (1) because it can't be connected from harness side, use extra care not to bend male terminal of coupler of force its female terminal open for connection.
In case of such coupler as shown connect probe as shown to avoid opening female terminal.

Never connect probe where male terminal is supposed to fit.

Fig 10: Precautions For Handling Meter Probe
Courtesy of SUZUKI OF AMERICA CORP.
When checking connection of terminals, check its male half for bend and female half for excessive opening and both for locking (looseness), corrosion, dust, etc.
Before measuring voltage at each terminal, check to make sure that battery voltage is 11 V or higher. Such terminal voltage check at low battery voltage will lead to erroneous diagnosis.

Fig 11: Precautions For Measuring Voltage At Each Terminal
Courtesy of SUZUKI OF AMERICA CORP.