Speed Sensor Location - Kia Forum
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#1 (permalink) Old 07-21-2006, 04:06 AM
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Default Speed Sensor Location

Hi all,i'm taek from malaysia.I found the DTC on the carnival which is P0720,P0722.i refered to the DTC chart,it's "speed sensor no signal." can anyone tell me where is the sensor location and send me the wiring diagrams. is it mounted on the transexcel?and there is a stranges code pops up on my diagnostic tool.P3803..what is that...pls...urgen.
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#2 (permalink) Old 08-02-2006, 10:33 AM
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Operation

1. The speed sensors are a single pole, variable reluctance sensor, mounted to the rear axle housing and both front half shafts. A toothed tone ring is press fit to the differential carrier next to the drive gear and provides the signal for the rear sensor. The front tone rings are press fit to the half shaft assemblies The signal generated is proportional to the speed of the wheels and is used by the ECU to monitor the wheel speeds.

As the teeth of the tone ring move through the magnetic field of the sensor, an AC voltage is generated. This signal frequency increases or decreases proportionally to the speed of the wheel. The ECU monitors this signal to check for changes in wheel speeds. If the deceleration of one or more wheels is not within a predetermined amount, an ABS event is initiated.
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#3 (permalink) Old 08-02-2006, 10:38 AM
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Removal and Repair Procedure

When disconnecting the wheel speed sensor from vehicle wiring harness, be careful not to damage pins on connector.

1. Remove harness connector.
2. Remove sensor bolt and remove the speed sensor.

Removal

1. Remove wheel hub assembly from the vehicle.
2. Remove rotor with SST (0K670 990 AA0). Do not re-install a rotor which is removed.

Installation

1. Clean speed sensor attaching surface.
2. Install speed sensor.

Tightening torque : 7 lb-ft (9.5 N-m, 1 kg-m)

3. Install the wiring harness connector with wheel speed sensor cable.
Be sure speed sensor cable connector is fully seated and locked into vehicle wiring harness connector.
4. Check the air gap between the face of the wheel speed sensor and the top surface of the tonewheel.

Air gap : 0.005~0.059 in (0.127~1.5 mm)

5. Road test vehicle to ensure proper operator of the base and ABS brake system.
Installation
1. Position a new sensor rotor on wheel hub as shown.

Number of sensor rotor teeth : 54

2. Press rotor onto wheel hub with SST (0K201 660 001).
3. Reinstall wheel hub assembly to vehicle.
4. Check the air gap between the face of the wheel speed sensor and the top surface of the tonewheel.

Air gap : 0.005~0.059 in (0.127~1.5 mm)

5. Road test vehicle to ensure proper operation of the base an ABS brake system.
Inspection
1. Measure clearance.

Specified clearance : 0.005~0.059 in (0.127~1.5 mm)

2. Measure speed sensor resistance.

Resistance : 2530~2930 Ω

Inspection

1. Lift and properly support front of the vehicle.
2. From backside of wheel, closely inspect sensor rotor. Rotate wheel to examine all teeth.
3. Replace rotor if teeth are missing or damaged.
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#4 (permalink) Old 08-16-2010, 06:11 AM
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Quote:
Originally Posted by Carny2000 View Post
Removal and Repair Procedure

When disconnecting the wheel speed sensor from vehicle wiring harness, be careful not to damage pins on connector.

1. Remove harness connector.
2. Remove sensor bolt and remove the speed sensor.

Removal

1. Remove wheel hub assembly from the vehicle.
2. Remove rotor with SST (0K670 990 AA0). Do not re-install a rotor which is removed.

Installation

1. Clean ABS Speed Sensor attaching surface.
2. Install speed sensor.

Tightening torque : 7 lb-ft (9.5 N-m, 1 kg-m)

3. Install the wiring harness connector with wheel speed sensor cable.
Be sure speed sensor cable connector is fully seated and locked into vehicle wiring harness connector.
4. Check the air gap between the face of the wheel speed sensor and the top surface of the tonewheel.

Air gap : 0.005~0.059 in (0.127~1.5 mm)

5. Road test vehicle to ensure proper operator of the base and ABS brake system.
Installation
1. Position a new sensor rotor on wheel hub as shown.

Number of sensor rotor teeth : 54

2. Press rotor onto wheel hub with SST (0K201 660 001).
3. Reinstall wheel hub assembly to vehicle.
4. Check the air gap between the face of the wheel speed sensor and the top surface of the tonewheel.

Air gap : 0.005~0.059 in (0.127~1.5 mm)

5. Road test vehicle to ensure proper operation of the base an ABS brake system.
Inspection
1. Measure clearance.

Specified clearance : 0.005~0.059 in (0.127~1.5 mm)

2. Measure speed sensor resistance.

Resistance : 2530~2930 Ω

Inspection

1. Lift and properly support front of the vehicle.
2. From backside of wheel, closely inspect sensor rotor. Rotate wheel to examine all teeth.
3. Replace rotor if teeth are missing or damaged.
very informative instructions! i just wish someone would post photo detail about this..thank you..

Last edited by kurtdaniel; 08-16-2010 at 08:19 PM.
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