Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Terminals Of Ecu

*a

Component without harness connected

(Multiplex Tilt and Telescopic ECU)

-

-

J25-1 (GND) - Body ground

W-B - Body ground

ECU ground

Always

Below 1 Ω

J25-2 (+B) - J25-1 (GND)

R - W-B

Motor power source

Always

11 to 14 V

J25-3 (CANP) - J25-11 (CANN)

L -GR

CAN communication

Engine switch off

54 to 69 Ω

J25-4 (E1) - Body ground

L - Body ground

Tilt sensor ground

Always

Below 1 Ω

J25-5 (VC) - J25-18 (MSW)

R - Y

Tilt and telescopic switch signal

Engine switch on (IG)

4.9 to 5.1 V

J25-6 (TEM+) - J25-1 (GND)

GR - W-B

Telescopic motor output

11 to 14 V

Telescopic motor not operating

Below 1 V

J25-7 (TIM+) - J25-1 (GND)

BE - W-B

Tilt motor output

11 to 14 V

Tilt motor not operating

Below 1 V

J25-8 (GND2) - Body ground

W-B - Body ground

ECU ground

Always

Below 1 Ω

J25-9 (ECUB) - J25-1 (GND)

LG - W-B

ECU power source

Always

11 to 14 V

J25-10 (IG) - J25-1 (GND)

Y - W-B

IG signal / IG power source

Engine switch on (IG)

11 to 14 V

Engine switch off

Below 1 V

J25-13 (VCI) - J25-4 (E1)

B - L

Tilt sensor power source

Engine switch on (IG)

8 to 14 V

J25-14 (VCE) - J25-17 (E2)

V - B

Telescopic sensor power source

Engine switch on (IG)

8 to 14 V

J25-15 (TES) - J25-17 (E2)

BE - B

Telescopic sensor signal

Telescopic motor operating

Pulse generation

HI: 8 to 14 V

LOW: Below 1 V

J25-16 (TIS) - J25-4 (E1)

GR - L

Tilt sensor signal

Tilt motor operating

Pulse generation

HI: 8 to 14 V

LOW: Below 1 V

J25-17 (E2) - Body ground

B - Body ground

Telescopic sensor ground

Always

Below 1 Ω

J25-19 (TEM-) - J25-1 (GND)

B - W-B

Telescopic motor output

11 to 14 V

Telescopic motor not operating

Below 1 V

J25-20 (TIM-) - J25-1 (GND)

LG - W-B

Tilt motor output

11 to 14 V

Tilt motor not operating

Below 1 V