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Home >> Lexus >> 2008 >> IS 250 RWD, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 9 (Steering Column) >> Power Tilt And Power Telescopic Steering Column System >> Terminals Of Ecu

Terminals Of Ecu

WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.
  1. MULTIPLEX TILT AND TELESCOPIC ECU 
    Fig 1: Identifying Multiplex Tilt And Telescopic ECU Connector Terminals
    G05752959Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    VOLTAGE SPECIFICATION

    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    A-2 (TEM+)-J28-11 (GND) - (Not available) - W-B Telescopic motor output
    • Engine switch on (IG)
    • Telescopic steering contracts
    11 to 14 V
    Telescopic motor is not operating Below 1 V
    A-3 (VCE) - A-5 (E2) - (Not available) Telescopic sensor power source Engine switch on (IG) 8 to 16 V
    A-4 (TES) - A-5 (E2) - (Not available) Telescopic sensor signal Telescopic motor is operating Pulse generation
    HI 8 to 16 V
    LOW 0 V
    A-5 (E2) - Body ground - (Not available) - Body ground Telescopic sensor ground Always Below 1 V
    A-6 (TEM-)-J28-11 (GND) - (Not available) - W-B Telescopic motor output
    • Engine switch on (IG)
    • Telescopic steering extends
    11 to 14 V
    Telescopic motor is not operating Below 1 V
    J28-1 (TIM-)-J28-11 (GND) V - W-B Tilt motor output
    • Engine switch on (IG)
    • Steering tilts down
    11 to 14 V
    Tilt motor is not operating Below 1 V
    J28-2 (+B)-J28-11 (GND) SB - W-B Motor power source Always 11 to 14 V
    J28-5 (MPX1) - J28-11 (GND) GR - W-B Multiplex communication Engine switch on (IG) Below 1 V
    J28-6 (VCI) - J28-17 (E1) G - O Tilt sensor power source Engine switch on (IG) 8 to 16 V
    J28-7 (TIS) - J28-17 (E1) R - O Tilt sensor signal Tilt motor is operating Pulse generation
    HI 8 to 16 V
    LOW 0 V
    J28-8 (IG) - J28-11 (GND) B - W-B IG signal/IG power source Engine switch on (IG) 11 to 14 V
    Engine switch off Below 1 V
    J28-9 (ECUB) - J28-11 (GND) LG - W-B ECU power source Always 11 to 14 V
    J28-10 (TIM+) - J28-11 (GND) P - W-B Tilt motor output
    • Engine switch on (IG)
    • Steering tilts up
    11 to 14 V
    Tilt motor is not operating Below 1 V
    J28-11 (GND) - Body ground W-B - Body ground ECU ground Always Below 1 V
    J28-17 (E1) - Body ground O - Body ground Tilt sensor ground Always Below 1 V