POWER TILT AND POWER TELESCOPIC STEERING COLUMN SYSTEM TERMINALS OF ECU


  1. MULTIPLEX TILT AND TELESCOPIC ECU

    A01MJ81C40
    *a

    Component without harness connected

    (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
      I1-1 (GND) - Body ground W-B - Body ground ECU ground Always Below 1 Ω
      I1-2 (+B) - I1-1 (GND) P - W-B Motor power source Always 11 to 14 V
      I1-3 (CANP) - I1-11 (CANN) V - W CAN communication Power switch off 54 to 69 Ω
      I1-4 (E1) - Body ground G - Body ground Tilt sensor ground Always Below 1 Ω
      I1-5 (VC) - I1-18 (MSW) Y - P Tilt and telescopic switch signal Power switch on (IG) 4.9 to 5.1 V
      I1-6 (TEM+) - I1-1 (GND) P - W-B Telescopic motor output

      • Power switch on (IG)

      • Steering column contracting

      		 11 to 14 V
      Telescopic motor not operating Below 1 V
      I1-7 (TIM+) - I1-1 (GND) LG - W-B Tilt motor output

      • Power switch on (IG)

      • Steering wheel tilting up

      		 11 to 14 V
      Tilt motor not operating Below 1 V
      I1-8 (GND2) - Body ground W-B - Body ground ECU ground Always Below 1 Ω
      I1-9 (ECUB) - I1-1 (GND) GR - W-B ECU power source Always 11 to 14 V
      I1-10 (IG) - I1-1 (GND) SB - W-B IG signal / IG power source Power switch on (IG) 11 to 14 V
      Power switch off Below 1 V
      I1-13 (VCI) - I1-4 (E1) L - G Tilt sensor power source Power switch on (IG) 8 to 14 V
      I1-14 (VCE) - I1-17 (E2) GR -Y Telescopic sensor power source Power switch on (IG) 8 to 14 V
      I1-15 (TES) - I1-17 (E2) W - Y Telescopic sensor signal Telescopic motor operating

      Pulse generation

      HI: 8 to 14 V

      LOW: Below 1 V
      I1-16 (TIS) - I1-4 (E1) W - G Tilt sensor signal Tilt motor operating

      Pulse generation

      HI: 8 to 14 V

      LOW: Below 1 V
      I1-17 (E2) - Body ground Y - Body ground Telescopic sensor ground Always Below 1 Ω
      I1-19 (TEM-) - I1-1 (GND) B - W-B Telescopic motor output

      • Power switch on (IG)

      • Steering column extending

      		 11 to 14 V
      Telescopic motor not operating Below 1 V
      I1-20 (TIM-) - I1-1 (GND) V - W-B Tilt motor output

      • Power switch on (IG)

      • Steering wheel tilting down

      		 11 to 14 V
      Tilt motor not operating Below 1 V