Toyota Avalon Service & Repair Manual: Terminals Of Ecu

TERMINALS OF ECU

CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY

(a) Disconnect the G35 air conditioning amplifier assembly connector.

(b) Measure the voltage and resistance 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

G35-2 (IG+) - G35-4 (GND)

LA-GR - W-B

Power source (IG)

Power switch on (IG)

11 to 14 V

G35-2 (IG+) - G35-4 (GND)

LA-GR - W-B

Power source (IG)

Power switch off

Below 1 V

G35-1 (B) - G35-4 (GND)

LA-B - W-B

Auxiliary battery power supply

Power switch off

11 to 14 V

G35-4 (GND) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

(c) Reconnect the G35 air conditioning amplifier 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

G35-5 (RDFG) - G35-4 (GND)

L - W-B

Rear window defogger signal

Power switch on (IG), rear window defogger switch off

11 to 14 V

G35-5 (RDFG) - G35-4 (GND)

L - W-B

Rear window defogger signal

Power switch on (IG), rear window defogger switch on

Below 1 V

CHECK REAR WINDOW DEFOGGER SWITCH (RADIO AND DISPLAY RECEIVER ASSEMBLY)

Click here

    System Diagram

    Window Defogger Wire

    See More:

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