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.
  • If DTC B2603 is displayed with DTC B210F for IPDM E/R, first perform the trouble diagnosis for DTC B210F. Refer to DTC Logic.
  • If DTC B2603 is displayed with DTC B2601 for IPDM E/R, first perform the trouble diagnosis for DTC B2601. Refer to DTC Logic.


DTC
Self-diagnosis name
DTC detecting condition
Possible causes
B2603
SHIFT POSI STATUS
BCM detects the followings status for 500 ms or more when shift is in P position, and ignition switch is in the ON position.
  • P/N position signal (from TCM): approx. 0 V
  • Control device (detention switch): approx. 0 V
  • Harness or connector
    (Control device circuit is open or shorted)
  • Harness or connectors
    [TCM circuit is open or shorted]
  • TCM
  • BCM

 
 DTC CONFIRMATION PROCEDURE

 
 1.PERFORM DTC CONFIRMATION PROCEDURE