Lexus IS250 IS220d GSE20 ALE20 - PRE-CRASH SAFETY
INSPECT FRONT SEAT OUTER BELT ASSEMBLY RH
CHECK HARNESS AND CONNECTOR (FRONT SEAT BELT ASSEMBLY RH - SEAT BELT CONTROL ECU)
DTC B2035 Power Supply Relay Adherence Malfunction
DESCRIPTION
The DTC is output during the power supply relay adherence malfunction in the seat belt control ECU.
| DTC No. | DTC Detection Condition | Trouble Area |
| B2035 | Adherence in power supply relay | Wire harness Seat belt control ECU |
WIRING DIAGRAM
INSPECTION PROCEDURE
- NOTICE:
- When the seat belt control ECU is replaced with a new one, INITIALIZATION must be performed .
| 1.INSPECT FRONT SEAT OUTER BELT ASSEMBLY RH |
Disconnect the P8 connector of the front seat outer belt assembly RH.
Measure the voltage according to the value(s) in the table below.
- Standard voltage:
Tester Connection Condition Specified Condition P8-1 - Body ground Engine switch on (IG) Below 1 V P8-2 - Body ground Engine switch on (IG) Below 1 V
|
| ||||
| OK | |
| 2.CHECK HARNESS AND CONNECTOR (FRONT SEAT BELT ASSEMBLY RH - SEAT BELT CONTROL ECU) |
Disconnect the negative (-) battery terminal .
Disconnect the O38 connector of the seat belt control ECU.
Connect the negative (-) terminal to the battery.
Measure the voltage according to the value(s) in the table below.
- Standard voltage:
Tester Connection Condition Specified Condition P8-1 - Body ground Engine switch on (IG) Below 1 V P8-2 - Body ground Engine switch on (IG) Below 1 V
|
| ||||
| OK | |
| 3.CHECK DTC OUTPUT |
Turn the engine switch on (IG).
Clear the DTCs stored in memory .
Turn the engine switch off.
Turn the engine switch on (IG).
Check for the DTCs .
- OK:
- No DTC is output.
|
| ||||
| OK | ||
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LEXUS IS250, IS220d / GSE20 ALE20