DTC B2222-31: PBD Pulse Sensor No Signal; DTC B2225-49: Back Door Motor Clutch Internal Electronic Failure [08/2021 - ]: Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus ES 300h, 2023 Lexus ES 300h, 2022 Lexus ES 300h, 2021 Lexus ES 300h, and 2020 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.

CLEAR DTC

Clear the DTCs.

Body Electrical > Back Door > Clear DTCs

Result

Proceed to
NEXT

Result:

See step 2

DTC REPRODUCTION TEST

Wait for approximately 10 seconds.

Result

Proceed to
NEXT

Result:

See step 3

CHECK FOR DTC

Check for DTCs.

Body Electrical > Back Door > Trouble Codes

Result

Result	Proceed to
B2222-31 and B2225-49 are not output	A
B2222-31 or B2225-49 is output	B

Result:

USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ]

Result:

See step 4

CHECK LUGGAGE CLOSER MOTOR ASSEMBLY (INPUT VOLTAGE)

Disconnect the R23 luggage closer motor assembly connector.

Measure the voltage according to the value(s) in the table below.

Standard Voltage

Tester Connection	Condition	Specified Condition
R23-1 (B) - Body ground	Power switch off	11 to 14 V
R23-7 (ECUB) - Body ground	Power switch off	11 to 14 V

Result

Proceed to
OK
NG

Result:

REPLACE LUGGAGE CLOSER MOTOR ASSEMBLY. Refer to REMOVAL [08/2021 - ]

Result:

REPAIR OR REPLACE HARNESS OR CONNECTOR