Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001HIRC
Model Year Start: 2019 Model: RAV4 HV Prod Date Range: [02/2019 -           ]
Title: HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for HV Model): ECO Switch Circuit; 2019 - 2024 MY RAV4 HV [02/2019 -        ]

ECO Switch Circuit

DESCRIPTION

The ECO drive mode control is activated for the air conditioning system by operating the integration control and panel assembly (ECO switch).

When the air conditioning system control cannot be performed while in ECO drive mode due to a malfunction etc., the following causes are possible.

Malfunction Status

Factor

  • Even if ECO drive mode is selected, the air vent cannot be controlled
  • Even if ECO drive mode is not selected, the air vent cannot be controlled
  • Air conditioning amplifier assembly malfunction
  • Integration control and panel assembly (ECO switch) malfunction
  • Harness or connector

WIRING DIAGRAM

PROCEDURE

1.

READ VALUE USING TECHSTREAM (ECO SWITCH)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Air Conditioner / Data List.

(e) Read the Data List according to the display on the Techstream.

Body Electrical > Air Conditioner > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

ECO Switch

Integration control and panel assembly (ECO switch)

OFF or ON

ON: Integration control and panel assembly (ECO switch) being turned and held at ECO position

OFF: Integration control and panel assembly (ECO switch) not turned

-

Body Electrical > Air Conditioner > Data List

Tester Display

ECO Switch

OK:

Integration control and panel assembly (ECO switch) condition displayed on the Techstream changes with the actual switch operation.

OK

REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY

NG

2.

INSPECT INTEGRATION CONTROL AND PANEL ASSEMBLY (ECO SWITCH)

(a) Remove the integration control and panel switch assembly (ECO switch).

Click here 2019 - 2024 MY RAV4 HV [11/2018 -        ]; P710 (HYBRID TRANSMISSION / TRANSAXLE): COMBINATION SWITCH: REMOVAL

(b) Inspect the integration control and panel switch assembly (ECO switch).

Click here 2019 - 2020 MY RAV4 HV [02/2019 - 08/2020]; P710 (HYBRID TRANSMISSION / TRANSAXLE): COMBINATION SWITCH: INSPECTION 2021 - 2024 MY RAV4 HV [08/2020 -        ]; P710 (HYBRID TRANSMISSION / TRANSAXLE): COMBINATION SWITCH: INSPECTION

NG

REPLACE INTEGRATION CONTROL AND PANEL ASSEMBLY (ECO SWITCH)

OK

3.

CHECK HARNESS AND CONNECTOR (INTEGRATION CONTROL AND PANEL ASSEMBLY - AIR CONDITIONING AMPLIFIER ASSEMBLY AND BODY GROUND)

(a) Disconnect the G32 integration control and panel assembly (ECO switch) connector.

(b) Disconnect the G46 air conditioning amplifier assembly connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

G32-7 (ECU) - G46-11 (ECOS)

Always

Below 1 Ω

G32-13 (GND) - Body ground

Always

Below 1 Ω

G32-7 (ECU) or G46-11 (ECOS) - Other terminals and body ground

Always

10 kΩ or higher

OK

REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR