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ADP-62 < COMPONENT DIAGNOSIS > B2127 PARKING BRAKE SWITCH B2127 PARKING BRAKE SWITCH Description INFOID:0000000000960639 • Parking brake switch is installed on parking brake lever. It is turned ON when the parking brake is applied. DTC Logic INFOID:0000000000960640 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. STEP 1 Drive the vehicle at 7 ± 4km/h or more. >> GO TO 2. 2. STEP 2 Check “Self diagnostic result” with CONSULT-III. YES >> Perform diagnosis procedure. Refer to NO >> INSPECTION END Diagnosis Procedure INFOID:0000000000960641 1. CHECK PARKING BRAKE SWITCH SIGNAL 1. Turn ignition switch ON. 2. Select “PARK BRAKE SW” in “Data monitor” mode with CONSULT-III. 3. Check parking brake switch signal under the following condition. Is the status normal? YES >> GO TO 4. NO >> GO TO 2. 2. CHECK PARKING BRAKE SWITCH HARNESS CONTINUITY 1. Turn ignition switch OFF. 2. Disconnect driver seat control unit and parking brake switch connector. 3. Check continuity between driver seat control unit harness connector and parking brake switch harness 4. Check continuity between driver seat control unit harness connector and ground. DTC No. Trouble diagnosis name DTC detecting condition Possible cause P2127 PARKING BRAKE Parking brake is engaged and the vehicle speed of ± 4km/h is detected. • Harness and connectors (Parking brake switch circuit is • Parking brake switch (CAN communacation ) Monitor item Condition Status PARK BRAKE SW Parking brake Applied ON Release OFF Driver seat control unit connec- tor Terminal Parking brake switch Terminal Continuity M51 8 B14 1 Existed |