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 MANUALSKIA2015FORTE5 SX, AUTOMATIC TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESANTI-LOCK BRAKESELECTRONIC STABILITY CONTROL (ESC) SYSTEM DIAGNOSISDTC C1643: CAN TIME-OUT YAW RATE & G SENSORWIRING INSPECTIONSIGNAL CIRCUIT INSPECTION
2015 Kia Forte5 SX, Automatic Trans
Signal Circuit Inspection
2015 Kia Forte5 SX, Automatic TransSECTION Signal Circuit Inspection
- Open Check
- IG "OFF".
- Yaw rate Sensor harness connector.
- IG "ON".
- Measure voltage between CAN High/Low terminal of yaw rate sensor harness connector and chassis ground.
Specification:
CAN High to chassis ground: Approx. 2.6V
CAN Low to chassis ground: Approx. 2.4V
- Is the measured value within specifications?
YES
- Go to "COMPONENT INSPECTION " procedure.
NO
- Repair open or short in CAN BUS line between HECU harness connector and YAW Sensor harness connector and then go to "VERIFICATION OF VEHICLE REPAIR " 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.