POWER TILT AND POWER TELESCOPIC STEERING COLUMN SYSTEM TERMINALS OF ECU


  1. MULTIPLEX TILT AND TELESCOPIC ECU

    A01X91VE02
    Text in Illustration
    *1 Multiplex tilt and telescopic ECU - -

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      E144-1 (GND) - Body ground W-B - Body ground ECU ground for motors Always Below 1 Ω
      E144-2 (+B) - E144-1 (GND) LA-W - W-B Motor power source input Always 11 to 14 V
      E144-3 (CANP) - E144-11 (CANN) P - L CAN communication Engine switch off 54 to 69 Ω
      E144-4 (E1) - Body ground G - Body ground Tilt position sensor ground Always Below 1 Ω
      E144-5 (VC) - E144-18 (MSW) P - R Tilt and telescopic switch signal output Engine switch on (IG) 4.9 to 5.1 V
      E144-6 (TEM+) - E144-1 (GND) LA-W - W-B Telescopic motor output

      • Engine switch on (IG)

      • Steering column contracting

      		 11 to 14 V
      Telescopic motor not operating Below 1 V
      E144-7 (TIM+) - E144-1 (GND) GR - W-B Tilt motor output

      • Engine switch on (IG)

      • Steering wheel tilting up

      		 11 to 14 V
      Tilt motor not operating Below 1 V
      E144-8 (GND2) - Body ground W-B - Body ground ECU ground for sensors Always Below 1 Ω
      E144-9 (ECUB) - E144-1 (GND) G - W-B ECU power source input Always 11 to 14 V
      E144-10 (IG) - E144-1 (GND) B - W-B IG signal input/IG power source input Engine switch on (IG) 11 to 14 V
      Engine switch off Below 1 V
      E144-13 (VCI) - E144-4 (E1) P - G Tilt position sensor power source output Engine switch on (IG) 8 to 14 V
      E144-14 (VCE) - E144-17 (E2) SB - L Telescopic position sensor power source output Engine switch on (IG) 8 to 14 V
      E144-15 (TES) - E144-17 (E2) B - L Telescopic position sensor signal input Telescopic motor operating

      Pulse generation

      HI: 8 to 14 V

      LOW: Below 1 V
      E144-16 (TIS) - E144-4 (E1) W - G Tilt position sensor signal input Tilt motor operating

      Pulse generation

      HI: 8 to 14 V

      LOW: Below 1 V
      E144-17 (E2) - Body ground L - Body ground Telescopic position sensor ground Always Below 1 Ω
      E144-19 (TEM-) - E144-1 (GND) LA-GR - W-B Telescopic motor output

      • Engine switch on (IG)

      • Steering column extending

      		 11 to 14 V
      Telescopic motor not operating Below 1 V
      E144-20 (TIM-) - E144-1 (GND) LG - W-B Tilt motor output

      • Engine switch on (IG)

      • Steering wheel tilting down

      		 11 to 14 V
      Tilt motor not operating Below 1 V