Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001FIZE
Model Year Start: 2019 Model: RAV4 Prod Date Range: [11/2018 -           ]
Title: WINDOW / GLASS: WINDOW DEFOGGER SYSTEM: TERMINALS OF ECU; 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]

TERMINALS OF ECU

*A

w/o HI/MID/LO Type Front Seat Heater

*B

w/ HI/MID/LO Type Front Seat Heater

CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY

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

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

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

G46-5 (B) - Body ground

G - Body ground

Power source (+B)

Ignition switch off

11 to 14 V

G46-6 (IG+) - Body ground

GR - Body ground

Power source (IG)

Ignition switch ON

11 to 14 V

Ignition switch off

Below 1 V

G46-17 (GND) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

(c) Reconnect the G46 air conditioning amplifier assembly connector.

(d) Measure the voltage and check for pulses according to the value(s) in the table below.

Tester Connection

Wiring Color

Terminal Description

Condition

Specified Condition

G47-18 (RDFG) - Body ground

L - Body ground

Rear window defogger signal

Ignition switch ON, window defogger switch off

11 to 14 V

Ignition switch ON, window defogger switch on

Below 1 V

G46-7 (LIN1) - Body ground

BE - Body ground

LIN communication line

Ignition switch ON

Pulse generation