Kia Niro: ESP(Electronic Stability Program) System / Rear Wheel Speed Sensor Repair procedures

Removal
1.

Remove the tire.

2.

Disconnect the wheel speed sensor connector (A).

3.

Loosen the bearing bolts (A) and then remove the hub bearing assembly.

Tightening torque:

88.2 - 107.8 N·m (9.0 - 11.0 kgf·m, 65.0 - 79.5 lb·ft)

Inspection
1.

Measure the output voltage between the terminal of the wheel speed sensor and the body ground.

  

In order to protect the wheel speed sensor, when measuring output voltage, a 100 ? resister must be used as shown.

2.

Compare the change of the output voltage of the wheel speed sensor to the normal change of the output voltage as shown below.

V_low : 0.59V - 0.84V

V_high : 1.18V - 1.68V

Frequency range : 1 - 2,500Hz

Rear Wheel Speed Sensor Components and components location
Components 1. Rear wheel speed sensor ...

ESP OFF Switch Components and components location
Components 1. ESP OFF swtich ...

Other information:

Kia Niro 2017 (DE HEV) Service Manual: Rear Oil Seal Repair procedures
Replacement    • Be sure to read and follow the “General Safety Information and Caution” before doing any work related with the high voltage system. Failure to follow the safety i ...

Kia Niro (DE HEV) Owners Manual: Technical Data (18 inch tire)
System voltage: DC 12 V Working voltage: DC 10 - 15 V Amperage rating: MAX. 15A ± 1A (at DC 12V operation) Suitable for use at temperatures: -30 ~ +70°C (-22 ~ +158°F) Max. working pressure: 6 bar (87 psi) Size Compressor: 168 x 150 x 68 mm (6.6 x 5.9 x 2.7 in.) Sealant bottle: 104 x 85 ø ...

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