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 MANUALSKIA2010RONDO LX, 2.7 6REPAIR AND DIAGNOSISBRAKESTRACTION CONTROLANTI-LOCK BRAKE SYSTEM/ELECTRONIC STABILITY CONTROL (ABS/ESC) DIAGNOSISDTC C1206: WHEEL SPEED SENSOR REAR-LH OPEN-SHORTINSPECTION REPAIRW/HARNESS INSPECTIONSIGNAL CIRCUIT INSPECTION

2010 Kia Rondo LX, 2.7 6

Signal Circuit Inspection

2010 Kia Rondo LX, 2.7 6SECTION Signal Circuit Inspection

Lift the vehicle.
Ignition "ON".
Turn the wheel by hand.
Measure waveform between terminal "14(ESC), 6(ABS)" of the HECU harness connector and chassis ground.
1. Specification : High : 1.18~1.68V, Low : 0.59~0.84V
Fig 1: Measuring Waveform Between Terminal 14(ESC), 6(ABS) Of HECU Harness Connector And Chassis Ground
Courtesy of KIA MOTORS AMERICA, INC.
Is the measured waveform within specifications?
YES
1. Substitute with a known-good HECU and check for proper operation. If problem is corrected, replace HECU and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
1. Check for open or short to GND in wheel speed sensor harness (FL) between terminal "2" of the wheel speed sensor (RL) harness connector and terminal "14(ESC), 6(ABS)" of the HECU harness connector. Repair as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
2. If OK, go to "COMPONENT INSPECTION " procedure.

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.