Lexus NX: Terminals Of Ecu

TERMINALS OF ECU

MULTIPLEX TILT AND TELESCOPIC ECU

*a

Component without harness connected

(Multiplex Tilt and Telescopic ECU)

-

-

(a) 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

Power 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

Power switch on (IG)

4.9 to 5.1 V

I60-6 (TEM+) - I60-1 (GND)

Y - W-B

Telescopic motor output

  • Power 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

  • Power 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

Power switch on (IG)

11 to 14 V

Power switch off

Below 1 V

I60-13 (VCI) - I60-4 (E1)

G - BE

Tilt sensor power source

Power switch on (IG)

8 to 14 V

I60-14 (VCE) - I60-17 (E2)

LG - L

Telescopic sensor power source

Power 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

  • Power 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

  • Power switch on (IG)
  • Steering wheel tilting down

11 to 14 V

Tilt motor not operating

Below 1 V

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