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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Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) auxiliary battery terminal, initialize the following systems after the cable is reconnected. System Name See Procedure Lane Control System (for H
Installation
INSTALLATION CAUTION / NOTICE / HINT CAUTION:
The engine assembly with transaxle is very heavy. Be sure to follow the procedure described in the repair manual, or the engine lifter may suddenly drop or the engine assembly with transaxle may fall off the engine lifter.
To prevent burns, do not t
