Power Trunk Lid does not Operate Using Outside Switch [06/2018 - 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.

READ VALUE USING TECHSTREAM

Connect the Techstream to the DLC3.
Turn the power switch on (IG).
Turn the Techstream on.
Enter the following menus: Body Electrical / Back Door / Data List.

Read the Data List according to the display on the Techstream.

Refer to DATA LIST / ACTIVE TEST [06/2018 - 08/2021]

Body Electrical > Back Door > Data List

Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
PBD Close SW	Door control switch signal	OFF or ON	OFF: Door control switch off ON: Door control switch on	-

Body Electrical > Back Door > Data List

Tester Display
PBD Close SW

The Data List item changes according to the operation of the door control switch.

Result

Proceed to
OK
NG

Result:

REPLACE LUGGAGE CLOSER MOTOR ASSEMBLY. Refer to REMOVAL [06/2018 - 08/2021]

Result:

See step 2

INSPECT DOOR CONTROL SWITCH

Remove the door control switch.
Refer to REMOVAL [06/2018 - ]

Inspect the door control switch.

Refer to INSPECTION [06/2018 - ]

Result

Proceed to
OK
NG

Result:

REPLACE DOOR CONTROL SWITCH. Refer to REMOVAL [06/2018 - ]

Result:

See step 3

CHECK HARNESS AND CONNECTOR (DOOR CONTROL SWITCH - LUGGAGE CLOSER MOTOR ASSEMBLY)

Disconnect the R7 luggage closer motor assembly connector.

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

Tester Connection	Condition	Specified Condition
R16-4 (CSW) - R7-4 (LDDN)	Always	Below 1 Ω
R16-1 (E) - Body ground	Always	Below 1 Ω
R16-4 (CSW) or R7-4 (LDDN) - Body ground	Always	10 kΩ or higher

Result

Proceed to
OK
NG

Result:

REPLACE LUGGAGE CLOSER MOTOR ASSEMBLY. Refer to REMOVAL [06/2018 - 08/2021]

Result:

REPAIR OR REPLACE HARNESS OR CONNECTOR