Last Modified: 4-30-2014 6.6 U Doc ID: RM0000018A5002X
Model Year: 2006 Model: LX470 Prod Date Range: [05/2005 -           ]
Title: STEERING COLUMN: POWER TILT AND POWER TELESCOPIC STEERING COLUMN SYSTEM: TERMINALS OF ECU; 2006 MY LX470 [05/2005 -        ]

TERMINALS OF ECU

1. CHECK TILT AND TELESCOPIC ECU

Symbols

(Terminal No.)

Wiring Color

Terminal Description

Condition

Specified Condition

ECUB (T8-1) - Body ground

L-W - Body ground

Battery

Always

10 to 14 V

ECUB (T8-1) - GND (T8-6)

L-W - W-B

Battery

Always

10 to 14 V

VC (T8-2) - GND (T8-6)

V - W-B

Manual switch output signal

Always

4.5 to 5.5 V

IG (T8-4) - GND (T8-6)

B-W - W-B

Ignition switch

Ignition switch ON

10 to 14 V

IG (T8-4) - GND (T8-6)

B-W - W-B

Ignition switch

Ignition switch LOCK

Below 1 V

MSW (T8-5) - GND (T8-6)

V-Y - W-B

Manual switch input signal

Tilt up by manual switch

1.30 to 1.70 V

MSW (T8-5) - GND (T8-6)

V-Y - W-B

Manual switch input signal

Tilt down by manual switch

0.30 to 0.50 V

MSW (T8-5) - GND (T8-6)

V-Y - W-B

Manual switch input signal

Telescopic extended by manual switch

2.05 to 2.75 V

MSW (T8-5) - GND (T8-6)

V-Y - W-B

Manual switch input signal

Telescopic contracted by manual switch

0.65 to 0.95 V

MSW (T8-5) - GND (T8-6)

V-Y - W-B

Manual switch input signal

Manual switch is not operating

Below 0.20 V

GND (T8-6) - Body ground

W-B - Body ground

Body ground

Always

Below 1 Ω

A2 (T9-1) - COM2 (T9-9)

W - B

Power telescopic motor

Telescopic motor is operating

190 to 230 V

(AC)

+B (T9-4) - GND (T8-6)

G-B - W-B

Battery

Always

10 to 14 V

A1 (T9-7) - COM1 (T9-15)

V - G

Power tilt motor

Tilt motor is operating

190 to 230 V

(AC)

B2 (T9-8) - COM2 (T9-9)

G - B

Power telescopic motor

Telescopic motor is operating

190 to 230 V

(AC)

S5V2 (T9-12) - SG2 (T9-10)

B-W - B-Y

Power telescopic motor

Ignition switch ON

4.5 to 5.5 V

S5V1 (T9-13) - SG1 (T9-14)

G-W - G-Y

Power tilt motor

Ignition switch ON

4.5 to 5.5 V

B1 (T9-16) - COM1 (T9-15)

V - G

Power tilt motor

Tilt motor is operating

190 to 230 V

(AC)