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DTC B2611: Telescopic Position Sensor or Telescopic Motor Circuit Malfunction [08/2013 - ]: Procedure

WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
  1. PERFORM ACTIVE TEST USING TECHSTREAM (TELESCO OPERATION) 
    1. Turn the power switch off.
      GTY398981Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Connect the Techstream to the DLC3.
    3. Turn the power switch on (IG).
    4. Turn the Techstream on.
    5. Check that the steering column contracts and extends.
    6. Enter the following menus: Body Electrical / Tilt & Telescopic / Active Test.
      TILT & TELESCOPIC

      Tester Display Test Part Control Range Diagnostic Note
      Telesco Operation Telescopic operation LONG/SHORT -

      OK

      The steering column contracts and extends.

      TEXT IN ILLUSTRATION

      *a Extend
      *b Contract

    NG → See step   6 

    OK: Go to next step 

  2. CHECK HARNESS AND CONNECTOR (MULTIPLEX TILT AND TELESCOPIC ECU - AUXILIARY BATTERY) 
    1. Disconnect the H12 multiplex tilt and telescopic ECU connector.
      GTY404392Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      H12-2 (+B) - Body ground Always 11 to 14 V
      TEXT IN ILLUSTRATION

      *a Front view of wire harness connector
      (to Multiplex Tilt and Telescopic ECU)

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  3. CHECK HARNESS AND CONNECTOR (MULTIPLEX TILT AND TELESCOPIC ECU - BODY GROUND) 
    1. Disconnect the H12 multiplex tilt and telescopic ECU connector.
      GTY418746Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      H12-1 (GND) - Body ground Always Below 1 Ω
      H12-8 (GND2) - Body ground Always Below 1 Ω
      TEXT IN ILLUSTRATION

      *a Front view of wire harness connector
      (to Multiplex Tilt and Telescopic ECU)

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  4. CHECK HARNESS AND CONNECTOR (MULTIPLEX TILT AND TELESCOPIC ECU - TELESCOPIC MOTOR) 
    1. Disconnect the H12 multiplex tilt and telescopic ECU connector.
    2. Disconnect the H28 telescopic motor connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      H12-6 (TEM+) - H28-2 (TEM+) Always Below 1 Ω
      H12-19 (TEM-) - H28-1 (TEM-)
      H12-6 (TEM+) - Body ground 10 kΩ or higher
      H12-19 (TEM-) - Body ground

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  5. CHECK TELESCOPIC MOTOR 
    1. Apply 12 V battery voltage to the telescopic motor connector. Then check the steering column telescopic operation.
      GTY403373Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK

      Measurement Condition Specified Condition
      • 12 V battery positive (+) lead → Terminal 2 (TEM+)
      • 12 V battery negative (-) lead → Terminal 1 (TEM-)
      		 The steering column contracts.
      • 12 V battery positive (+) lead → Terminal 1 (TEM-)
      • 12 V battery negative (-) lead → Terminal 2 (TEM+)
      		 The steering column extends.
      TEXT IN ILLUSTRATION

      *a Component without harness connected
      (Telescopic Motor)

    NG → See step   10 

    OK → See step   11 

  6. CHECK HARNESS AND CONNECTOR (MULTIPLEX TILT AND TELESCOPIC ECU - TELESCOPIC POSITION SENSOR) 
    1. Disconnect the H12 multiplex tilt and telescopic ECU connector.
    2. Disconnect the H28 telescopic motor connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      H12-14 (VCE) - H28-4 (VCE) Always Below 1 Ω
      H12-15 (TES) - H28-5 (TES)
      H12-17 (E2) - H28-6 (E2)
      H12-14 (VCE) - Body ground 10 kΩ or higher
      H12-15 (TES) - Body ground
      H12-17 (E2) - Body ground

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  7. CHECK HARNESS AND CONNECTOR (MULTIPLEX TILT AND TELESCOPIC ECU - BODY GROUND) 
    1. Disconnect the H12 multiplex tilt and telescopic ECU connector.
      GTY418746Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      H12-1 (GND) - Body ground Always Below 1 Ω
      H12-8 (GND2) - Body ground Always Below 1 Ω
      TEXT IN ILLUSTRATION

      *a Front view of wire harness connector
      (to Multiplex Tilt and Telescopic ECU)

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  8. CHECK MULTIPLEX TILT AND TELESCOPIC ECU (VCE, TES TERMINAL VOLTAGE) 
    1. Disconnect the H28 telescopic motor connector.
      GTY396979Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Reconnect the H12 multiplex tilt and telescopic ECU connector.
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      H12-14 (VCE) - H12-17 (E2) Power switch on (IG) 8 to 16 V
      H12-15 (TES) - H12-17 (E2)
      TEXT IN ILLUSTRATION

      *a Component with harness connected
      (Multiplex Tilt and Telescopic ECU)

    NG → See step   11 

    OK: Go to next step 

  9. CHECK TELESCOPIC POSITION SENSOR 
    1. Reconnect the H12 multiplex tilt and telescopic ECU connector.
      GTY416302Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Reconnect the H28 telescopic motor connector.
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      H12-15 (TES) - H12-17 (E2) Steering column contracting or extending Pulse generation
      High: 8 to 16 V
      Low: Below 1 V
      TEXT IN ILLUSTRATION

      *a Component with harness connected
      (Multiplex Tilt and Telescopic ECU)

    NG → See step   10 

    OK → See step   11 

  10. REPLACE ELECTRIC POWER STEERING COLUMN SUB-ASSEMBLY. Refer to  REMOVAL [08/2013 - ] 
  11. REPLACE MULTIPLEX TILT AND TELESCOPIC ECU. Refer to  REMOVAL [08/2013 - ] 
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