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 |
INSPECTION PROCEDURE
PROCEDURE
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CHECK FOR DTC
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Clear the DTCs Click here.
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Check for DTCs Click here.
OK DTCs B2015 to B2047 are not output.
NG 
REPLACE SEAT BELT CONTROL ECU Click here
OK 
USE SIMULATION METHOD TO CHECK Click here
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