Dtc B2611 Telescopic Position Sensor Or Telescopic Motor Circuit Malfunction

Steering. Lexus Gs430, Gs300. Uzs190 Grs190
Steering Column. Lexus Gs430, Gs300. Uzs190 Grs190

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

PERFORM ACTIVE TEST BY INTELLIGENT TESTER

INSPECT TELESCOPIC MOTOR

INSPECT MULTIPLEX TILT & TELESCOPIC ECU (VCE TERMINAL VOLTAGE)

INSPECT TELESCOPIC POSITION SENSOR

CHECK HARNESS AND CONNECTOR (MULTIPLEX TILT & TELESCOPIC ECU - TELESCOPIC POSITION SENSOR)

CHECK HARNESS AND CONNECTOR (MULTIPLEX TILT & TELESCOPIC ECU - BODY GROUND)

DTC B2611 Telescopic Position Sensor or Telescopic Motor Circuit Malfunction


DESCRIPTION

The telescopic motor is operated by the power source voltage supplied from the multiplex tilt & telescopic ECU and makes the steering column slide forward and backward. The telescopic position sensor (Hole IC) in the telescopic motor detects the sliding position in the forward and backward directions of the steering column and outputs a signal to the CPU based on that sliding amount.
Lexus Gs430, Gs300. Uzs190 Grs190.Steering Column.Steering System. Dtc B2611 Telescopic Position Sensor Or Telescopic Motor Circuit Malfunction

HINT:
Limit positions can be confirmed on the screen of the intelligent tester.

DTC No.
Detection Item
Trouble Area
B2611
Telescopic operation stops within the operation range while operating.
  1. Wire harness or connector
  2. Telescopic position sensor or telescopic motor
  3. Multiplex tilt & telescopic ECU

WIRING DIAGRAM


Lexus Gs430, Gs300. Uzs190 Grs190.Steering Column.Steering System. Dtc B2611 Telescopic Position Sensor Or Telescopic Motor Circuit Malfunction


INSPECTION PROCEDURE

HINT:
The wire harness between the multiplex tilt & telescopic ECU and telescopic motor is provided with the steering column assembly.
1.PERFORM ACTIVE TEST BY INTELLIGENT TESTER


    Lexus Gs430, Gs300. Uzs190 Grs190.Steering Column.Steering System. Dtc B2611 Telescopic Position Sensor Or Telescopic Motor Circuit Malfunction

  1. Connect the intelligent tester to the DLC3.

  1. Turn the engine switch on (IG) and turn the intelligent tester on.

  1. Select "Tilt & Telescopic".

  1. Select "Telesco", and perform the active test using the intelligent tester.

  1. Check that the steering column contracts (extends) when the Active Test is carried out.

    OK:
    Steering column contracts (extends).


OK
Go to step 3
NG


2.INSPECT TELESCOPIC MOTOR


    Lexus Gs430, Gs300. Uzs190 Grs190.Steering Column.Steering System. Dtc B2611 Telescopic Position Sensor Or Telescopic Motor Circuit Malfunction

  1. Disconnect connector A from the multiplex tilt & telescopic ECU.

  1. Connect the positive battery terminal to terminal TEM+ and the negative battery terminal to terminal TEM- of the telescopic motor connector. Then confirm that the steering column contracts.

    OK:
    Steering column contracts.

  1. Connect the negative battery terminal to terminal TEM+ and the positive battery terminal to terminal TEM- of the telescopic motor connector. Then confirm that the steering column extends.

    OK:
    Steering column extends.
    NOTICE:
    3UZ-FE:
    If replacing the steering column assembly, perform VGRS actuator angle initialization and VGRS actuator angle neutral calibration after wheel alignment adjustment (Click here for INITIALIZATION, Click here for CALIBRATION).


NG
REPLACE STEERING COLUMN ASSEMBLY
OK

REPLACE MULTIPLEX TILT & TELESCOPIC ECU

3.INSPECT MULTIPLEX TILT & TELESCOPIC ECU (VCE TERMINAL VOLTAGE)


    Lexus Gs430, Gs300. Uzs190 Grs190.Steering Column.Steering System. Dtc B2611 Telescopic Position Sensor Or Telescopic Motor Circuit Malfunction

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

    Voltage:
    Tester connection
    		Condition
    		Specified value
    VCE - E2
    		Engine switch on (IG)
    		8 to 16 V


NG
Go to step 5
OK


4.INSPECT TELESCOPIC POSITION SENSOR


    Lexus Gs430, Gs300. Uzs190 Grs190.Steering Column.Steering System. Dtc B2611 Telescopic Position Sensor Or Telescopic Motor Circuit Malfunction

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

    Voltage:
    Tester connection
    		Condition
    		Specified value
    TES - E2
    		Telescopic steering contracts or extends
    		8 to 16 V (Pulse HI)
    0 V (Pulse LOW)
    NOTICE:
    3UZ-FE:
    If replacing the steering column assembly, perform VGRS actuator angle initialization and VGRS actuator angle neutral calibration after wheel alignment adjustment (Click here for INITIALIZATION, Click here for CALIBRATION).


NG
REPLACE STEERING COLUMN ASSEMBLY
OK

REPLACE MULTIPLEX TILT & TELESCOPIC ECU

5.CHECK HARNESS AND CONNECTOR (MULTIPLEX TILT & TELESCOPIC ECU - TELESCOPIC POSITION SENSOR)


    Lexus Gs430, Gs300. Uzs190 Grs190.Steering Column.Steering System. Dtc B2611 Telescopic Position Sensor Or Telescopic Motor Circuit Malfunction

  1. Disconnect connector A from the multiplex tilt & telescopic ECU.

  1. Measure the resistance according to the value(s) in the table below.

    Resistance:
    Tester connection
    		Condition
    		Specified value
    VCE - Body ground
    		Always
    		10 kΩ or higher
    NOTICE:
    3UZ-FE:
    If replacing the steering column assembly, perform VGRS actuator angle initialization and VGRS actuator angle neutral calibration after wheel alignment adjustment (Click here for INITIALIZATION, Click here for CALIBRATION).


NG
REPLACE STEERING COLUMN ASSEMBLY
OK


6.CHECK HARNESS AND CONNECTOR (MULTIPLEX TILT & TELESCOPIC ECU - BODY GROUND)


    Lexus Gs430, Gs300. Uzs190 Grs190.Steering Column.Steering System. Dtc B2611 Telescopic Position Sensor Or Telescopic Motor Circuit Malfunction

  1. Disconnect the L27 connector from the multiplex tilt & telescopic ECU.

  1. Measure the resistance according to the value(s) in the table below.

    Resistance:
    Tester connection
    (Terminal No.)
    		Condition
    		Specified value
    GND (L27-11) - Body ground
    		Always
    		Below 1 Ω


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE MULTIPLEX TILT & TELESCOPIC ECU