Restraints. Lexus Gs430, Gs300. Uzs190 Grs190
Pre-Crash Safety. Lexus Gs430, Gs300. Uzs190 Grs190
DTC B2015 Open in Right Side Upper MOS |
DTC B2016 Open in Right Side Lower MOS |
DTC B2020 Open in Left Side Upper MOS |
DTC B2021 Open in Left Side Lower MOS |
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 Raised Voltage |
DTC B2043 Fall of B+ Voltage |
DTC B2047 Pre-Crash Safety ECU Inner Circuit Malfunction |
DESCRIPTION
The DTCs above are output during the seat belt control ECU's self diagnosis.| DTC No. | DTC Detection Condition | Trouble Area |
| B2015 | Open in right side upper MOS | Seat belt control ECU |
| B2016 | Open in right side lower MOS | Seat belt control ECU |
| B2020 | Open in left side upper MOS | Seat belt control ECU |
| B2021 | Open in left side lower MOS | Seat belt control ECU |
| B2025 | Malfunction in right side current detection HI circuit | Seat belt control ECU |
| B2026 | Malfunction in right side current detection LO circuit | Seat belt control ECU |
| B2027 | Over-current in right side circuit | Seat belt control ECU |
| B2030 | Malfunction in left side current detection HI circuit | Seat belt control ECU |
| B2031 | Malfunction in left side current detection LO circuit | Seat belt control ECU |
| B2032 | Over-current in left side circuit | Seat belt control ECU |
| B2035 | Adherence in power supply relay | Seat belt control ECU |
| B2036 | Open in power supply relay | Seat belt control ECU |
| B2040 | EEPROM malfunction | Seat belt control ECU |
| B2041 | Decline in raised voltage | Seat belt control ECU |
| B2043 | Decline in B+ Voltage | Seat belt control ECU |
| B2047 | Malfunction in the inner circuit of the pre-crash safety ECU | Seat belt control ECU |
INSPECTION PROCEDURE
- NOTICE:
- When the seat belt control ECU is replaced with a new one, Active Test must be performed (Click here).
| 1.CHECK DTC |
Disconnect the cable from the negative (-) battery terminal.
Connect the cable to the negative (-) battery terminal.
Turn the engine switch on (IG).
Clear DTCs stored in memory (Click here).
Turn the engine switch off.
Turn the engine switch on (IG).
Check for DTCs (Click here).
- OK:
- No DTC is output.
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| OK | ||
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