PRE-CRASH SAFETY SYSTEM, Diagnostic DTC:B2015,B2016,B2020,B2021,B2025,B2026,B2027,B2030,B2031,B2032,B2035,B2040,B2041,B2043 and 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 seat belt control ECU self-diagnosis.
When DTC B2015 or B2016 is stored, DTCs B2026 and B2027 are not stored.
When DTC B2020 or B2021 is stored, DTCs B2031 and B2032 are not stored.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
DTC Output from |
|---|---|---|---|---|
B2015 |
Open in Right Side Upper MOS |
While the initial check is running and the engine switch on (IG), the seat belt control ECU detects an internal malfunction for 1 second. |
Seat belt control ECU |
Seat Belt Control ECU (Pre-Crash) |
B2016 |
Open in Right Side Lower MOS |
While the initial check is running and the engine switch on (IG), the seat belt control ECU detects an internal malfunction for 1 second. |
Seat belt control ECU |
Seat Belt Control ECU (Pre-Crash) |
B2020 |
Open in Left Side Upper MOS |
While the initial check is running and the engine switch on (IG), the seat belt control ECU detects an internal malfunction for 1 second. |
Seat belt control ECU |
Seat Belt Control ECU (Pre-Crash) |
B2021 |
Open in Left Side Lower MOS |
While the initial check is running and the engine switch on (IG), the seat belt control ECU detects an internal malfunction for 1 second. |
Seat belt control ECU |
Seat Belt Control ECU (Pre-Crash) |
B2025 |
Right Side Current Detection Circuit Malfunction Hi |
While the initial check is running and the engine switch on (IG), the seat belt control ECU detects an internal malfunction for 1 second. |
Seat belt control ECU |
Seat Belt Control ECU (Pre-Crash) |
B2026 |
Right Side Current Detection Circuit Malfunction Lo |
While the initial check is running and the engine switch on (IG), the seat belt control ECU detects an internal malfunction for 1 second. |
Seat belt control ECU |
Seat Belt Control ECU (Pre-Crash) |
B2027 |
Right Side Over-Current Malfunction |
While the initial check is running and the engine switch on (IG), the seat belt control ECU detects an internal malfunction for 1 second. |
Seat belt control ECU |
Seat Belt Control ECU (Pre-Crash) |
B2030 |
Left Side Current Detection Circuit Malfunction Hi |
While the initial check is running and the engine switch on (IG), the seat belt control ECU detects an internal malfunction for 1 second. |
Seat belt control ECU |
Seat Belt Control ECU (Pre-Crash) |
B2031 |
Left Side Current Detection Circuit Malfunction Lo |
While the initial check is running and the engine switch on (IG), the seat belt control ECU detects an internal malfunction for 1 second. |
Seat belt control ECU |
Seat Belt Control ECU (Pre-Crash) |
B2032 |
Left Side Over-Current Malfunction |
While the initial check is running and the engine switch on (IG), the seat belt control ECU detects an internal malfunction for 1 second. |
Seat belt control ECU |
Seat Belt Control ECU (Pre-Crash) |
B2035 |
Power Supply Relay Adherence Malfunction |
While the initial check is running and the engine switch on (IG), the seat belt control ECU detects an internal malfunction for 1 second. |
Seat belt control ECU |
Seat Belt Control ECU (Pre-Crash) |
B2040 |
EEPROM Malfunction |
While the initial check is running and the engine switch on (IG), the seat belt control ECU detects an internal malfunction for 1 second. |
Seat belt control ECU |
Seat Belt Control ECU (Pre-Crash) |
B2041 |
Fall of Raised Voltage |
While the initial check is running and the engine switch on (IG), the seat belt control ECU detects an internal malfunction for 1 second. |
Seat belt control ECU |
Seat Belt Control ECU (Pre-Crash) |
B2043 |
Fall of B+ Voltage |
While the initial check is running and the engine switch on (IG), the seat belt control ECU detects an internal malfunction for 1 second. |
Seat belt control ECU |
Seat Belt Control ECU (Pre-Crash) |
B2047 |
Seat Belt Control ECU Inner Circuit Malfunction |
While the initial check is running and the engine switch on (IG), the seat belt control ECU detects an internal malfunction for 1 second. |
Seat belt control ECU |
Seat Belt Control ECU (Pre-Crash) |
PROCEDURE
CHECK FOR DTC
Clear the DTCs.
Body Electrical > Pre-Crash > Clear DTCs
Check for DTCs.
Body Electrical > Pre-Crash > Trouble Codes
OK
DTCs B2015 to B2047 are not output.
Result
Result
OK
NG