POWER TILT AND POWER TELESCOPIC STEERING COLUMN SYSTEM TERMINALS OF ECU


  1. MULTIPLEX TILT AND TELESCOPIC ECU

    A01HHA3C25
    *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
      I60-1 (GND) - Body ground W-B - Body ground ECU ground Always Below 1 Ω
      I60-2 (+B) - I60-1 (GND) Y - W-B Motor power source Always 11 to 14 V
      I60-3 (CANP) - I60-11 (CANN) G - W CAN communication Engine switch off 54 to 69 Ω
      I60-4 (E1) - Body ground BE - Body ground Tilt sensor ground Always Below 1 Ω
      I60-5 (VC) - I60-18 (MSW) R - LG Tilt and telescopic switch signal Engine switch on (IG) 4.9 to 5.1 V
      I60-6 (TEM+) - I60-1 (GND) Y - W-B Telescopic motor output

      • Engine switch on (IG)

      • Steering column contracting

      		 11 to 14 V
      Telescopic motor not operating Below 1 V
      I60-7 (TIM+) - I60-1 (GND) R - W-B Tilt motor output

      • Engine switch on (IG)

      • Steering wheel tilting up

      		 11 to 14 V
      Tilt motor not operating Below 1 V
      I60-8 (GND2) - Body ground W-B - Body ground ECU ground Always Below 1 Ω
      I60-9 (ECUB) - I60-1 (GND) W - W-B ECU power source Always 11 to 14 V
      I60-10 (IG) - I60-1 (GND) L - W-B IG signal / IG power source Engine switch on (IG) 11 to 14 V
      Engine switch off Below 1 V
      I60-13 (VCI) - I60-4 (E1) G - BE Tilt sensor power source Engine switch on (IG) 8 to 14 V
      I60-14 (VCE) - I60-17 (E2) LG - L Telescopic sensor power source Engine switch on (IG) 8 to 14 V
      I60-15 (TES) - I60-17 (E2) B - L Telescopic sensor signal Telescopic motor operating

      Pulse generation

      HI: 8 to 14 V

      LOW: Below 1 V
      I60-16 (TIS) - I60-4 (E1) R - BE Tilt sensor signal Tilt motor operating

      Pulse generation

      HI: 8 to 14 V

      LOW: Below 1 V
      I60-17 (E2) - Body ground L - Body ground Telescopic sensor ground Always Below 1 Ω
      I60-19 (TEM-) - I60-1 (GND) G - W-B Telescopic motor output

      • Engine switch on (IG)

      • Steering column extending

      		 11 to 14 V
      Telescopic motor not operating Below 1 V
      I60-20 (TIM-) - I60-1 (GND) V - W-B Tilt motor output

      • Engine switch on (IG)

      • Steering wheel tilting down

      		 11 to 14 V
      Tilt motor not operating Below 1 V