Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Terminals Of Ecu

TERMINALS OF ECU

MULTIPLEX TILT AND TELESCOPIC ECU

*a

Component with harness connected

(Multiplex Tilt and Telescopic ECU)

-

-

(a) Measure the voltage and resistance according to the value(s) in the table below.

HINT:

Inspect the connectors from the back side while the connectors are connected.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

G49-1 (GND) - Body ground

W-B - Body ground

ECU ground

Always

Below 1 Ω

G49-2 (+B) - G49-1 (GND)

B - W-B

Motor power source

Always

11 to 14 V

G49-3 (CANP) - G49-11 (CANN)

R - W

CAN communication

Engine switch off

54 to 69 Ω

G49-4 (E1) - Body ground

BE - Body ground

Tilt sensor ground

Always

Below 1 Ω

G49-5 (VC) - G49-18 (MSW)

L - GR

Tilt and telescopic switch signal

Engine switch on (IG)

4.9 to 5.1 V

G49-6 (TEM+) - G49-1 (GND)

LA-B - W-B

Telescopic motor output

  • Engine switch on (IG)
  • Steering column contracting

11 to 14 V

Telescopic motor not operating

Below 1 V

G49-7 (TIM+) - G49-1 (GND)

LA-LG - W-B

Tilt motor output

  • Engine switch on (IG)
  • Steering wheel tilting up

11 to 14 V

Tilt motor not operating

Below 1 V

G49-8 (GND2) - Body ground

W-B - Body ground

ECU ground

Always

Below 1 Ω

G49-9 (ECUB) - G49-1 (GND)

G - W-B

ECU power source

Always

11 to 14 V

G49-10 (IG) - G49-1 (GND)

L - W-B

IG signal / IG power source

Engine switch on (IG)

11 to 14 V

Engine switch off

Below 1 V

G49-13 (VCI) - G49-4 (E1)

B - BE

Tilt sensor power source

Engine switch on (IG)

8 to 14 V

G49-14 (VCE) - G49-17 (E2)

GR - LG

Telescopic sensor power source

Engine switch on (IG)

8 to 14 V

G49-15 (TES) - G49-17 (E2)

R - LG

Telescopic sensor signal

Telescopic motor operating

Pulse generation

HI: 8 to 14 V

LOW: Below 1 V

G49-16 (TIS) - G49-4 (E1)

W - BE

Tilt sensor signal

Tilt motor operating

Pulse generation

HI: 8 to 14 V

LOW: Below 1 V

G49-17 (E2) - Body ground

LG - Body ground

Telescopic sensor ground

Always

Below 1 Ω

G49-19 (TEM-) - G49-1 (GND)

LA-G - W-B

Telescopic motor output

  • Engine switch on (IG)
  • Steering column extending

11 to 14 V

Telescopic motor not operating

Below 1 V

G49-20 (TIM-) - G49-1 (GND)

LA-L - W-B

Tilt motor output

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

11 to 14 V

Tilt motor not operating

Below 1 V

    System Diagram

    Tilt and Telescopic Manual Switch Circuit

    See More:

    Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Safety Connect System(for Hv Model): Manual (SOS) Switch Green Indicator Malfunction (B1571)
    DESCRIPTION This DTC is set when the DCM (Telematics Transceiver) detects an open or short in the manual (SOS) switch green indicator circuit of the manual (SOS) switch. The manual (SOS) switch green indicator illuminates after the power switch is turned on (IG). If the safety connect system is not ...

    Toyota Avalon (XX50) 2019-2022 Owners Manual

    Toyota Avalon (XX50) 2019-2022 Service & Repair Manual

    © 2024 Copyright www.tavalon.net
    0.0149