Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001FPIW
Model Year Start: 2019 Model: RAV4 HV Prod Date Range: [11/2018 - 10/2022]
Title: PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM (for HV Model): ECU Power Source Circuit; 2019 - 2022 MY RAV4 HV [11/2018 - 10/2022]

ECU Power Source Circuit

DESCRIPTION

This circuit is the power source circuit to operate the parking assist ECU. The parking assist ECU controls the panoramic view monitor system.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

  • When "!" mark is displayed on the radio and display receiver assembly, correct the steering angle neutral point.

    Click here 2019 - 2022 MY RAV4 HV [11/2018 - 10/2022]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM (for HV Model): INITIALIZATION

  • Depending on the parts that are replaced or operations that are performed during vehicle inspection or maintenance, calibration of other systems as well as the panoramic view monitor system may be needed.

    Click here 2019 - 2022 MY RAV4 HV [11/2018 - 10/2022]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM (for HV Model): CALIBRATION

  • Inspect the fuse for circuits related to this system before performing the following procedure.

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU - BATTERY AND BODY GROUND)

(a) Disconnect the parking assist ECU connector.

*a

Front view of wire harness connector

(to Parking Assist ECU)

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

N25-4 (GND1) - Body ground

Always

Below 1 Ω

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

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

N25-1 (+B) - N25-4 (GND1)

Power switch off

11 to 14 V

N25-2 (ACC) - N25-4 (GND1)

Power switch on (ACC)

11 to 14 V

Power switch off

Below 1 V

N25-3 (IG) - N25-4 (GND1)

Power switch on (IG)

11 to 14 V

Power switch off

Below 1 V
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR