B2020

DTC B2015 RIGHT SIDE UPPER MOS MALFUNCTION OPEN
DTC B2016 RIGHT SIDE LOWER MOS MALFUNCTION OPEN
DTC B2020 LEFT SIDE UPPER MOS MALFUNCTION OPEN
DTC B2021 LEFT SIDE LOWER MOS MALFUNCTION OPEN
DTC B2025 RIGHT SIDE CURRENT DETECTION CIRCUIT MALFUNCTION HI
DTC B2026 RIGHT SIDE CURRENT DETECTION CIRCUIT MALFUNCTION LO
DTC B2027 RIGHT SIDE OVER-CURRENT MALFUNCTION
DTC B2030 LEFT SIDE CURRENT DETECTION CIRCUIT MALFUNCTION HI
DTC B2031 LEFT SIDE CURRENT DETECTION CIRCUIT MALFUNCTION LO
DTC B2032 LEFT SIDE OVER-CURRENT MALFUNCTION
DTC B2035 POWER SUPPLY RELAY ADHERENCE MALFUNCTION
DTC B2036 POWER SUPPLY RELAY MALFUNCTION OPEN
DTC B2040 EEPROM MALFUNCTION
DTC B2041 FALL OF THE RAISED VOLTAGE
DTC B2047 PRE-COLLISION SAFETY ECU INNER CIRCUIT MALFUNCTION

CIRCUIT DESCRIPTION

B2015-B2047:

These DTCs are output when a malfunction in the internal circuit is detected by seat belt control ECU self-diagnosis.

Step 1:

INSPECTION PROCEDURE