PRE-CRASH SAFETY SYSTEM, Diagnostic DTC:B2015, B2016, B2020, B2021, B2025, B2026, B2027, B2030, B2031, B2032, B2035, B2040, B2041, B2043, B2047

DTC Code DTC Name
B2015 Open in Right Side Upper MOS
B2016 Open in Right Side Lower MOS
B2020 Open in Left Side Upper MOS
B2021 Open in Left Side Lower MOS
B2025 Right Side Current Detection Circuit Malfunction Hi
B2026 Right Side Current Detection Circuit Malfunction Lo
B2027 Right Side Over-Current Malfunction
B2030 Left Side Current Detection Circuit Malfunction Hi
B2031 Left Side Current Detection Circuit Malfunction Lo
B2032 Left Side Over-Current Malfunction
B2035 Power Supply Relay Adherence Malfunction
B2040 EEPROM Malfunction
B2041 Fall of Raised Voltage
B2043 Fall of B+ Voltage
B2047 Seat Belt Control ECU Inner Circuit Malfunction

DESCRIPTION

The DTCs above are output during the seat belt control ECU's self diagnosis.

When DTC B2015 or B2016 is detected, DTCs B2026 and B2027 will not be detected.

When DTC B2020 or B2021 is detected, DTCs B2031 and B2032 will not be detected.

DTC Code DTC Detection Condition Trouble Area
B2015 While initial check is running and power switch is ON (IG), seat belt control ECU detects an internal malfunction for 1 second Seat belt control ECU
B2016 While initial check is running and power switch is ON (IG), seat belt control ECU detects an internal malfunction for 1 second Seat belt control ECU
B2020 While initial check is running and power switch is ON (IG), seat belt control ECU detects an internal malfunction for 1 second Seat belt control ECU
B2021 While initial check is running and power switch is ON (IG), seat belt control ECU detects an internal malfunction for 1 second Seat belt control ECU
B2025 While initial check is running and power switch is ON (IG), seat belt control ECU detects an internal malfunction for 1 second Seat belt control ECU
B2026 While initial check is running and power switch is ON (IG), seat belt control ECU detects an internal malfunction for 1 second Seat belt control ECU
B2027 While initial check is running and power switch is ON (IG), seat belt control ECU detects an internal malfunction for 1 second Seat belt control ECU
B2030 While initial check is running and power switch is ON (IG), seat belt control ECU detects an internal malfunction for 1 second Seat belt control ECU
B2031 While initial check is running and power switch is ON (IG), seat belt control ECU detects an internal malfunction for 1 second Seat belt control ECU
B2032 While initial check is running and power switch is ON (IG), seat belt control ECU detects an internal malfunction for 1 second Seat belt control ECU
B2035 While initial check is running and power switch is ON (IG), seat belt control ECU detects an internal malfunction for 1 second Seat belt control ECU
B2040 While initial check is running and power switch is ON (IG), seat belt control ECU detects an internal malfunction for 1 second Seat belt control ECU
B2041 While initial check is running and power switch is ON (IG), seat belt control ECU detects an internal malfunction for 1 second Seat belt control ECU
B2043 While initial check is running and power switch is ON (IG), seat belt control ECU detects an internal malfunction for 1 second Seat belt control ECU
B2047 While initial check is running and power switch is ON (IG), seat belt control ECU detects an internal malfunction for 1 second Seat belt control ECU

PROCEDURE


  1. CHECK FOR DTC


    1. Using the intelligent tester, enter the following menus: Body / Pre-Crash1. Then select "DTC".

    2. Select "Clear" and clear the data.

    3. Recheck for DTCs.

      OK
      DTCs B2015 to B2047 are not output.

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

    REPLACE SEAT BELT CONTROL ECU Click here