Lexus ES manuals

Lexus ES: Power Trunk Lid does not Operate Using Outside Switch

DESCRIPTION

The door control switch signal is sent to the luggage closer motor assembly.

If the power trunk lid does not operate using the door control switch, a door control switch circuit malfunction is a possible cause.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

If the luggage closer motor assembly has been removed and installed or replaced, or if any of the connectors has been disconnected, initialize the power trunk lid system.

Click here

PROCEDURE

1.

READ VALUE USING TECHSTREAM

(a) Connect the TECHSTREAM to the DLC3.

(b) Turn the engine switch on (IG).

(c) Turn the TECHSTREAM on.

(d) Enter the following menus: Body Electrical / Back Door / Data List.

(e) Read the Data List according to the display on the TECHSTREAM.

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

OK:

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

OK

REPLACE LUGGAGE CLOSER MOTOR ASSEMBLY

NG

2.

INSPECT DOOR CONTROL SWITCH

(a) Remove the door control switch.

Click here

(b) Inspect the door control switch.

Click here

NG

REPLACE DOOR CONTROL SWITCH

OK

3.

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

(a) Disconnect the R7 luggage closer motor assembly connector.

(b) 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

OK

REPLACE LUGGAGE CLOSER MOTOR ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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