POWER TILT AND POWER TELESCOPIC STEERING COLUMN SYSTEM TERMINALS OF ECU


  1. MULTIPLEX TILT AND TELESCOPIC ECU

    A01Q8JCC45
    *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
      K18-1 (GND) - Body ground W-B - Body ground ECU ground Always Below 1 Ω
      K18-2 (+B) - K18-1 (GND) L - W-B Motor power source Always 11 to 14 V
      K18-3 (CANP) - K18-11 (CANN) R - GR CAN communication Engine switch off 54 to 69 Ω
      K18-4 (E1) - Body ground B - Body ground Tilt sensor ground Always Below 1 Ω
      K18-5 (VC) - K18-18 (MSW) L - LG Tilt and telescopic switch signal Engine switch on (IG) 4.9 to 5.1 V
      K18-6 (TEM+) - K18-1 (GND) B - W-B Telescopic motor output

      • Engine switch on (IG)

      • Steering column contracting

      		 11 to 14 V
      Telescopic motor not operating Below 1 V
      K18-7 (TIM+) - K18-1 (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
      K18-8 (GND2) - Body ground W-B - Body ground ECU ground Always Below 1 Ω
      K18-9 (ECUB) - K18-1 (GND) P - W-B ECU power source Always 11 to 14 V
      K18-10 (IG) - K18-1 (GND) LG - W-B IG signal / IG power source Engine switch on (IG) 11 to 14 V
      Engine switch off Below 1 V
      K18-13 (VCI) - K18-4 (E1) Y - B Tilt sensor power source Engine switch on (IG) 8 to 14 V
      K18-14 (VCE) - K18-17 (E2) P - L Telescopic sensor power source Engine switch on (IG) 8 to 14 V
      K18-15 (TES) - K18-17 (E2) V - L Telescopic sensor signal Telescopic motor operating

      Pulse generation

      HI: 8 to 14 V

      LOW: Below 1 V
      K18-16 (TIS) - K18-4 (E1) W - B Tilt sensor signal Tilt motor operating

      Pulse generation

      HI: 8 to 14 V

      LOW: Below 1 V
      K18-17 (E2) - Body ground Y - Body ground Telescopic sensor ground Always Below 1 Ω
      K18-19 (TEM-) - K18-1 (GND) W - W-B Telescopic motor output

      • Engine switch on (IG)

      • Steering column extending

      		 11 to 14 V
      Telescopic motor not operating Below 1 V
      K18-20 (TIM-) - K18-1 (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