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 MANUALSHYUNDAI1998SONATA BASE, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESANTI-LOCK BRAKESANTI-LOCK BRAKE SYSTEMCIRCUIT TESTSDTC 62, DTC 63, DTC 64, DTC 65
1998 Hyundai Sonata Base, Standard
DTC 62, DTC 63, DTC 64, DTC 65
1998 Hyundai Sonata Base, StandardSECTION DTC 62, DTC 63, DTC 64, DTC 65
CODE DEFINITION - DTC 62, 63, 64, 65
| Code | Definition |
|---|---|
| DTC 62 | OPEN/SHORT TO BATTERY IN LF WHEEL SPEED SENSOR CIRCUIT |
| DTC 63 | OPEN/SHORT TO BATTERY IN RF WHEEL SPEED SENSOR CIRCUIT |
| DTC 64 | OPEN/SHORT TO BATTERY IN LR WHEEL SPEED SENSOR CIRCUIT |
| DTC 65 | OPEN/SHORT TO BATTERY IN RR WHEEL SPEED SENSOR CIRCUIT |
- Turn ignition off. Disconnect suspect wheel speed sensor connector. Using an ohmmeter, measure resistance between wheel speed sensor terminals. Resistance should be 1275-1495 ohms (front sensor) or 1260-1540 ohms (rear sensor). If resistance is not as specified, replace sensor. If resistance is as specified, go to next step.
- Measure voltage between ground and suspect wheel speed sensor terminals. If voltage is zero volts, go to next step. If voltage is more than zero volts, locate and repair short to voltage in sensor wiring.
- Connect wheel speed sensor connector. Turn ignition off. Disconnect ABS ECM connector. ABS ECM is located at lower left side of instrument panel. Measure resistance between ABS ECM connector terminals. See TESTING WHEEL SPEED SENSOR CIRCUITS
table. See Figure
. If resistance is as specified, go to next step. If resistance is not as specified, repair wiring as necessary.TESTING WHEEL SPEED SENSOR CIRCUITS
Application Measure Between ABS ECM Terminals No. Ohms Left Front Sensor 32 & 34 1275-1495 Left Rear Sensor 3 & 29 1260-1540 Right Front Sensor 1 & 31 1275-1495 Right Rear Sensor 36 & 37 1260-1540 - Measure voltage between ABS ECM connector terminals. See CHECKING ABS ECM VOLTAGE table. If all voltage readings are zero volts, no fault is indicated at this time. Fault may be intermittent. If any voltage reading is more than zero volts, locate and repair short to voltage in wiring harness.
CHECKING ABS ECM VOLTAGE
| Application | Measure Between ABS ECM Terminals No. |
|---|---|
| Left Front Sensor | 27 & 34 |
| Left Rear Sensor | 27 & 29 |
| Right Front Sensor | 1 & 27 |
| Right Rear Sensor | 27 & 36 |
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.