WHEEL SENSOR (LEFT, REARWARD) SIGNAL BLACKOUT [DTC CODE: P030A, MALFUNCTION CODE: 3-4 (3)]

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ABS light indication 3-4
Malfunction code 3-4 (3)
Description of malfunction
  • No wheel sensor signal
  • Excessive air gap of the wheel sensor (left, rearward)
  • Extremely low wheel sensor signal voltage compared to standard voltage
Vehicle status Not actuated right front wheel ABS
Possible cause
  • Improper adjustment of air gap
  • Disconnection of harness, partially failed connection of connector
  • Untucked wheel sensor
  • Abnormality in clamping bushing
ECU terminals subject to inspect The 8th and 9th terminals of 18 pin connector

1. Measuring output voltage between terminals

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2. Measuring resistance between terminals

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3. Measuring resistance between sensor terminals

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DTC Clear

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