Last Modified: 05-08-2025 6.11:8.1.0 Doc ID: RM100000001FJ1V
Model Year Start: 2019 Model: RAV4 Prod Date Range: [11/2018 - 08/2020]
Title: WIPER / WASHER: WIPER AND WASHER SYSTEM: TERMINALS OF ECU; 2019 - 2020 MY RAV4 RAV4 HV [11/2018 - 08/2020]

TERMINALS OF ECU

CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

*1

Main Body ECU (Multiplex Network Body ECU)

-

-

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

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

G45-5 (CXP1) - Body ground

R - Body ground

CXPI communication line

Ignition switch ON

Pulse generation

G44-21 (WPS) - Body ground

L - Body ground

Windshield wiper relay (WIPER) operation signal

Ignition switch ON

11 to 14 V

Less than approximately 60 seconds after ignition switch off

Approximately 60 seconds or more after ignition switch off

Below 1 V

G43-1 (RWRY) - Body ground

R - Body ground

Rear wiper motor assembly operation signal

Rear wiper motor assembly stopped

11 to 14 V

Rear wiper motor assembly operating

Below 1 V

CHECK WINDSHIELD WIPER RELAY ASSEMBLY

(a) Disconnect the A5 and A6 windshield wiper relay assembly connectors.

(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

A5-3 (E) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

A5-5 (EWS) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

A5-6 (IGWS) - Body ground

Y - Body ground

Washer circuit IG power source

Ignition switch off

Below 1 V

Ignition switch ON

11 to 14 V

A5-8 (+B) - Body ground

P - Body ground

Ignition switch signal (Power source circuit)

Ignition switch ON

11 to 14 V

Less than approximately 60 seconds after ignition switch off

Approximately 60 seconds or more after ignition switch off

Below 1 V

A6-5 (ES) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

(c) Connect the A5 and A6 windshield wiper relay assembly connectors.

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

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

A5-1 (+WR) - Body ground

B - Body ground

Front washer operation signal

Ignition switch ON, front washer operating

11 to 14 V

A5-2 (+1) - Body ground

R - Body ground

LO operation signal to windshield wiper motor assembly

Ignition switch ON, windshield wiper motor assembly operating in LO

11 to 14 V

A5-4 (+2) - Body ground

W - Body ground

HI operation signal to windshield wiper motor assembly

Ignition switch ON, windshield wiper motor assembly operating in HI

11 to 14 V

A5-7 (-WR) - Body ground

R - Body ground

Rear washer operation signal

Ignition switch ON, rear washer operating

11 to 14 V

A6-3 (2S) - Body ground

L - Body ground

Windshield wiper motor assembly HI operation signal

Windshield wiper motor assembly stopped

4.5 to 5.5 V

Windshield wiper motor assembly operating in LO

9 to 14 V

Windshield wiper motor assembly operating in HI

Below 1 V

A6-4 (MPX1) - Body ground

R - Body ground

CXPI communication line

Ignition switch ON

Pulse generation

A6-6 (+SM) - Body ground

G - Body ground

Windshield wiper motor assembly position detection signal

Windshield wiper motor assembly in LO or HI operation

Below 1 V ←→ 10 to 14 V

Windshield wiper motor assembly stopped

Below 1 V

CHECK RAIN SENSOR (w/ Auto Wiper System)

(a) Disconnect the P6 rain sensor connector.

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

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

P6-2 (ES) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

P6-3 (MPX) - Body ground

B - Body ground

LIN communication signal

Ignition switch ON

Pulse generation

P6-4 (SIG) - Body ground

V - Body ground

IG power source circuit

Ignition switch off

Below 1 V

Ignition switch ON

11 to 14 V

CHECK COMBINATION METER ASSEMBLY (w/ Washer Level Switch)

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