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ADP-56 < DTC/CIRCUIT DIAGNOSIS > B2126 DETENT SW B2126 DETENT SW Description INFOID:0000000005249669 • Detention switch is installed on A/T shift selector. It is turned OFF when the A/T selector lever is in P posi- tion. • The driver seat control unit judges that the A/T selector lever is in P position if continuity does not exist in this circuit. DTC Logic INFOID:0000000005249670 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. RERFORM DTC CONFIRMATION PROCEDURE 1. Drive the vehicle at 7 ± 4 km/h or more. 2. Check “Self diagnostic result” with CONSULT-III. Is the DTC detected? YES >> Perform diagnosis procedure. Refer to NO >> INSPECTION END Diagnosis Procedure INFOID:0000000005249671 1. CHECK DTC WITH “BCM” Check “Self diagnostic result” for BCM with CONSULT-III. Is the either DTC B2601,B2602, B2603, B2604 or B2605 detected? YES >> Check the DTC. Refer to NO >> GO TO 2. 2. CHECK DTC WITH “METER/M&A” Check “Self diagnostic result” for METER/M&A with CONSULT-III. YES >> Check the DTC. Refer to NO >> GO TO 3. 3. CHECK DETENTION SWITCH SIGNAL 1. Turn ignition switch ON. 2. Select “DETENT SW” in “Data Monitor” mode with CONSULT-III. 3. Check detention switch signal under the following condition. Is the status normal? YES >> GO TO 5. NO >> GO TO 4. 4. CHECK DETENTION SWITCH CIRCUIT DTC No. Trouble diagnosis name DTC detecting condition Possible cause B2126 DETENT SW Selector lever is in P position and the vehicle speed ± 4 km/h is detected. • Harness and connectors (Detention switch circuit is • Detention switch (CAN communication) Monitor item Condition Status DETENT SW selector lever P position OFF Other than above ON |