Toyota Avalon Service & Repair Manual: Terminals Of Ecu

TERMINALS OF ECU

CHECK SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY)

(a) Disconnect the O3 sliding roof ECU (sliding roof drive gear assembly) connector.

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

HINT:

Measure the values on the wire harness side with the connector disconnected.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

O3-1 (B) - O3-2 (E)

B - W-B

Battery power supply

Always

11 to 14 V

O3-6 (IG) - O3-2 (E)

LA-GR - W-B

IG power supply

Engine switch off

Below 1 V

O3-6 (IG) - O3-2 (E)

LA-GR - W-B

IG power supply

Engine switch on (IG)

11 to 14 V

O3-2 (E) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

(c) Reconnect the O3 sliding roof ECU (sliding roof drive gear assembly) connector.

(d) Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

O3-10 (OPN) - O3-2 (E)

W - W-B

Sliding roof motor open

Engine switch on (IG), OPEN switch on

Below 1 V

O3-10 (OPN) - O3-2 (E)

W - W-B

Sliding roof motor open

Engine switch on (IG), OPEN switch off

11 to 14 V

O3-8 (CLS) - O3-2 (E)

SB - W-B

Sliding roof motor close

Engine switch on (IG), CLOSE switch on

Below 1 V

O3-8 (CLS) - O3-2 (E)

SB - W-B

Sliding roof motor close

Engine switch on (IG), CLOSE switch off

11 to 14 V

O3-5 (UP) - O3-2 (E)

R - W-B

Sliding roof motor up

Engine switch on (IG), UP switch on

Below 1 V

O3-5 (UP) - O3-2 (E)

R - W-B

Sliding roof motor up

Engine switch on (IG), UP switch off

11 to 14 V

O3-9 (DWN) - O3-2 (E)

LG - W-B

Sliding roof motor down

Engine switch on (IG), DOWN switch on

Below 1 V

O3-9 (DWN) - O3-2 (E)

LG - W-B

Sliding roof motor down

Engine switch on (IG), DOWN switch off

11 to 14 V

CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

Click here

    System Diagram

    Sliding Roof System(for Hv Model)

    See More:

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