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.
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PROCEDURE
| 1. | READ VALUE USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the power 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.
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| 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 | - |
| Tester Display |
|---|
| PBD Close SW |
OK:
The Data List item changes according to the operation of the door control switch.
| OK | .gif) | REPLACE LUGGAGE CLOSER MOTOR ASSEMBLY |
|
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| 2. | INSPECT DOOR CONTROL SWITCH |
(a) Remove the door control switch.
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(b) Inspect the door control switch.
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| NG | | REPLACE DOOR CONTROL SWITCH |
|
| 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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Inspection
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Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspect
