Lexus ES manuals

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.

  • Luggage closer motor assembly
  • Luggage door closer assembly
  • Harness or connector

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.

    Click here

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 Codes

OK:

DTC B2251 is not output.

OK

USE SIMULATION METHOD TO CHECK

NG

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.

Click here

Body Electrical > Back Door > Data List

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

-

Body Electrical > Back Door > Data List

Tester Display

Half Latch SW

OK:

The Data List display changes according to luggage compartment door operation.

OK

REPLACE LUGGAGE CLOSER MOTOR ASSEMBLY

NG

3.

INSPECT LUGGAGE DOOR CLOSER ASSEMBLY

(a) Remove the luggage door closer assembly.

Click here

(b) Inspect the luggage door closer assembly. (each switchs)

Click here

NG

REPLACE LUGGAGE DOOR CLOSER ASSEMBLY

OK

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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