Lexus ES: Luggage Compartment Door Closer does not Operate
DESCRIPTION
The luggage compartment door closer operation controls the luggage door closer assembly via the luggage closer motor assembly based on switch signals in the luggage door closer assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
- Check that B2250 or B2251 is not output before proceeding with troubleshooting.
-
This check is possible only when the "PBD Power Operation" customization setting using the Techstream is set to "ON" or "ON(Closer Only)" (initial setting is "ON").
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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. | PERFORM ACTIVE TEST 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 / Active Test.
(e) Perform the Active Test according to the display on the Techstream.
Body Electrical > Back Door > Active Test| Tester Display | Measurement Item | Control Range | Diagnostic Note |
|---|---|---|---|
| PBD Motor | luggage closer motor operation | OFF, Forward or Reverse | - |
| Tester Display |
|---|
| PBD Motor |
OK:
The luggage door closer assembly (closer motor) operates normally according to the Techstream operation.
| NG | .gif) | GO TO STEP 5 |
|
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| 2. | READ VALUE USING TECHSTREAM |
(a) Enter the following menus: Body Electrical / Back Door / Data List.
(b) Read the Data List according to the display on the GTS.
Body Electrical > Back Door > Data List| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| Pawl Position Switch | Luggage door closer assembly (pawl switch) signal | OFF or ON | OFF: Luggage door closer assembly except half-latched ON: Luggage door closer assembly half-latched | - |
| Tester Display |
|---|
| Pawl Position Switch |
OK:
The Data List display changes according to luggage compartment door operation.
| OK | | REPLACE LUGGAGE CLOSER MOTOR ASSEMBLY |
|
| 3. | CHECK HARNESS AND CONNECTOR (LUGGAGE CLOSER MOTOR ASSEMBLY - LUGGAGE DOOR CLOSER ASSEMBLY) |
(a) Disconnect the R7 luggage closer motor assembly connector.
(b) Disconnect the R18 luggage door closer assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| R7-21 (SWG) - R18-12 (CSWE) | Always | Below 1 Ω |
| R7-20 (PAWL) - R18-11 (CLS) | Always | Below 1 Ω |
| R7-21 (SWG) or R18-12 (CSWE) - Body ground | Always | 10 kΩ or higher |
| R7-20 (PAWL) or R18-11 (CLS) - Body ground | Always | 10 kΩ or higher |
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
| 4. | INSPECT LUGGAGE DOOR CLOSER ASSEMBLY |
(a) Remove the luggage door closer assembly.
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(b) Inspect the luggage door closer assembly. (each switches)
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| OK | | REPLACE LUGGAGE CLOSER MOTOR ASSEMBLY |
| NG | | REPLACE LUGGAGE DOOR CLOSER ASSEMBLY |
| 5. | INSPECT LUGGAGE DOOR CLOSER ASSEMBLY |
(a) Remove the luggage door closer assembly.
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(b) Inspect the luggage door closer assembly. (luggage door closer motor)
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| NG | | REPLACE LUGGAGE DOOR CLOSER ASSEMBLY |
|
| 6. | CHECK HARNESS AND CONNECTOR (LUGGAGE CLOSER MOTOR ASSEMBLY - LUGGAGE DOOR CLOSER ASSEMBLY) |
(a) Disconnect the R7 luggage closer motor assembly connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| R7-2 (LCM+) - R18-8 (M+) | Always | Below 1 Ω |
| R7-1 (LCM-) - R18-1 (M-) | Always | Below 1 Ω |
| R7-2 (LCM+) or R18-8 (M+) - Body ground | Always | 10 kΩ or higher |
| R7-1 (LCM-) or R18-1 (M-) - Body ground | Always | 10 kΩ or higher |
| OK | | REPLACE LUGGAGE CLOSER MOTOR ASSEMBLY |
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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Installation
INSTALLATION PROCEDURE 1. TEMPORARILY INSTALL FUEL PUMP ASSEMBLY (a) Turn the crankshaft pulley until the flat of the camshaft faces the fuel pump lifter assembly. HINT: This prevents the camshaft nose from pushing up the fuel pump lifter assembly when installing the fuel pump assembly.
Initialization
INITIALIZATION Inspection After Repair Perform Learning Value Reset and Idle Learning after replacing or servicing parts related to engine operation. Details on procedures required are indicated by an asterisk and a number, and are explained in detail following the table. Part Replaced Engine O
