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DTC C1224/44 NE Signal Circuit: Description

The skid control ECU receives engine revolution speed signals (NE signals) from the ECM.

DTC TROUBLE DETECTION CHART

DTC No. DTC Detecting Condition Trouble Area
C1224/44 When either of the following is detected:
  1. All the following condition continues for at least 10 seconds.

    * Data can be received properly from ECM at a speed of 19 mph (30 km/h) or more.

    * Open or short in engine rpm signal circuit.

  2. All the following condition continues for at least 0.24 seconds.

    * TRAC is in operation.

    * Open or short in engine rpm signal circuit.

  • NEO circuit
  • ECM
  • Skid control ECU