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DTC Detection Logic

NOTE:
  • If DTC B2603 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to "DTC LOGIC ".
  • If DTC B2603 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to "DTC LOGIC ".
DTC DETECTION CONDITION WITH POSSIBLE CAUSES REFERENCE CHART

DTC Self-diagnosis name DTC detecting condition Possible causes
B2603 SHIFT POSITION STATUS BCM detects the followings status for 500 ms or more when shift is in P position and, ignition switch is in ON position.
  • Park/neutral position (PNP) switch: approx. 0V
  • CVT device (park position switch): approx 0V
  • Harness or connector

    (CVT device circuit is open or shorted.)

  • Harness or connectors

    [Park/neutral position (PNP) switch circuit is open or shorted.]

  • CVT device (park position switch)
  • Park/neutral position (PNP) switch
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