Lexus ES: PBD/PTL Closer Switch (B2251)
DESCRIPTION
DTC B2251 is output if there is a malfunction in the half latch switch circuit of the luggage door closer assembly.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| B2251 | PBD/PTL Closer Switch | When luggage door is opening or closing, malfunction occurs in half latch switch or pawl switch circuit of luggage door closer assembly. |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
- If a luggage closer motor assembly DTC is output, the luggage compartment door closer operation and power trunk lid operation is stops.
-
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. | CHECK FOR DTC |
(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 / Trouble Codes.
(e) Clear the DTCs.
Body Electrical > Back Door > Clear DTCs(f) Check for DTCs.
Body Electrical > Back Door > Trouble CodesOK:
DTC B2251 is not output.
| OK | .gif) | USE SIMULATION METHOD TO CHECK |
|
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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 Techstream.
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| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| Half Latch SW | Luggage door closer assembly (half latch switch) signal | OFF or ON | ON: Luggage door closer assembly open-latched OFF: Luggage door closer assembly full-latched or half-latched | - |
| Pawl Position Switch | Luggage door closer assembly (pawl switch) signal | OFF or ON | ON: Luggage door closer assembly half-latched OFF: Luggage door closer assembly except half -latched | - |
| Tester Display |
|---|
| Half Latch SW |
OK:
The Data List display changes according to luggage compartment door operation.
| OK | | REPLACE LUGGAGE CLOSER MOTOR ASSEMBLY |
|
| 3. | INSPECT LUGGAGE DOOR CLOSER ASSEMBLY |
(a) Remove the luggage door closer assembly.
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(b) Inspect the luggage door closer assembly. (each switchs)
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| NG | | REPLACE LUGGAGE DOOR CLOSER ASSEMBLY |
|
| 4. | 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 |
|---|---|---|
| R7-7 (HAF) - R18-6 (FSW) | Always | Below 1 Ω |
| R7-20 (PAWL) - R18-11 (CLS) | Always | Below 1 Ω |
| R7-7 (HAF) or R18-6 (FSW) - Body ground | Always | 10 kΩ or higher |
| R7-20 (PAWL) or R18-11 (CLS) - Body ground | Always | 10 kΩ or higher |
| OK | | REPLACE LUGGAGE CLOSER MOTOR ASSEMBLY |
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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