Lexus ES manuals

Lexus ES: PBD/PTL Closer Operation (B2250)

DESCRIPTION

DTC B2250 is stored when there is a malfunction in the closer pulse sensor circuit of the luggage door closer assembly and when a normal waveform is not input for the closer pulse during power trunk lid operation.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B2250

PBD/PTL Closer Operation

While the luggage door closer assembly is operating, a malfunction in the position information from the position sensors are detected within a certain amount of time.

  • Luggage door closer assembly
  • Luggage closer motor 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.

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PROCEDURE

1.

CHECK FOR DTC

(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 / Trouble Codes.

(e) Clear the DTCs.

Body Electrical > Back Door > Clear DTCs

(f) Check for DTCs.

Body Electrical > Back Door > Trouble Codes

OK:

DTC B2250 is not output.

OK

USE SIMULATION METHOD TO CHECK

NG

2.

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

R7-16 (CSG) - R18-4 (CPSE)

Always

Below 1 Ω

R7-17 (CS2) - R18-9 (CPS2)

Always

Below 1 Ω

R7-18 (CS1) - R18-2 (CPS1)

Always

Below 1 Ω

R7-19 (CSV) - R18-3 (CPS+)

Always

Below 1 Ω

R7-16 (CSG) or R18-4 (CPSE) - Body ground

Always

10 kΩ or higher

R7-17 (CS2) or R18-9 (CPS2) - Body ground

Always

10 kΩ or higher

R7-18 (CS1) or R18-2 (CPS1) - Body ground

Always

10 kΩ or higher

R7-19 (CSV) or R18-3 (CPS+) - Body ground

Always

10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

3.

CHECK LUGGAGE CLOSER MOTOR ASSEMBLY

(a) Reconnect 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

R18-4 (CPSE) - Body ground

Always

Below 1 Ω

(c) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Condition

Specified Condition

R18-2 (CPS1) - Body ground

Power switch on (IG), power trunk lid not operate

7 V or higher

R18-3 (CPS+) - Body ground

Power switch on (IG), power trunk lid not operate

7 V or higher

R18-9 (CPS2) - Body ground

Power switch on (IG), power trunk lid not operate

7 V or higher

NG

REPLACE LUGGAGE CLOSER MOTOR ASSEMBLY

OK

4.

CHECK LUGGAGE DOOR CLOSER ASSEMBLY

(a) Disconnect R18-8 (M+) and R18-1 (M-) from the luggage door closer assembly connectors.

(b) Reconnect the R18 luggage door closer assembly connector.

(c) Using an oscilloscope, check the waveform.

*a

Component with harness connected

(Luggage Door Closer Assembly)

*b

Waveform 1

*c

Waveform 2

-

-

NOTICE:

Do not operate any other functions until this inspection is finished.

OK:

Tester Connection

Condition

Tool Setting

Specified Condition

R18-2 (CPS1) - Body ground

  • Auxiliary battery positive (+) → R18-8 (M+)
  • Auxiliary battery negative (-) → R18-1 (M-)

2 V/DIV., 10 ms./DIV.

Pulse generation

(waveform 1)

R18-9 (CPS2) - Body ground

  • Auxiliary battery positive (+) → R18-8 (M+)
  • Auxiliary battery negative (-) → R18-1 (M-)

2 V/DIV., 10 ms./DIV.

Pulse generation

(waveform 2)

OK

REPLACE LUGGAGE CLOSER MOTOR ASSEMBLY

NG

REPLACE LUGGAGE DOOR CLOSER ASSEMBLY

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