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Home >> Kia >> 2018 >> Niro EX >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> ESC/AHB Diagnosis (HEV) (1 Of 2) >> DTC C1203-01: Wheel Speed Sensor Front-RH Open/Short >> Wiring Inspection >> Circuit Inspection

Circuit Inspection

Fig 1: IBAU System Circuit
G12320223Courtesy of KIA MOTORS AMERICA, INC.
INSPECTION PART - FRONT WHEEL SENSORS LH AND IBAU INSPECTION

Inspection Condition (+) Probe (-) Probe Specification
Connector Terminal Connector Terminal
  1. Disconnect the electrical connector(s) from the concerned component.
  2. Ignition "ON".
 Front Wheel Sensor RH Connector 2 (power) Chassis ground - B+
Front Wheel Sensor RH Connector 1 (signal) IBAU Connector 42 (signal) Fig 2
  1. Ignition "OFF".
  2. Disconnect the electrical connector(s) from the concerned component.
 Front Wheel Sensor RH Connector 2 (power) Chassis ground - 0V
Front Wheel Sensor RH Connector 1 (signal) Chassis ground - ∞ (infinite)Ω
Front Wheel Sensor RH Connector 1 (signal) IBAU Connector 42 (signal) Below 1Ω
Front Wheel Sensor RH Connector 2 (power) IBAU Connector 18 (power) Below 1Ω
Fig 2: Screen Display - Front Wheel Speed Sensor Signal Waveform
G12320224Courtesy of KIA MOTORS AMERICA, INC.
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