Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM1000000026T0B
Model Year Start: 2023 Model: RAV4 Prod Date Range: [10/2022 -           ]
Title: PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM (for Gasoline Model): ECU Power Source Circuit; 2023 - 2024 MY RAV4 [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:

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

HINT:

If the parking assist ECU does not operate due to a power source problem, other system DTCs may be stored due to a CAN communication interruption.

PROCEDURE

1.

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

(a) Disconnect the parking assist ECU connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

N76-4 (GND) - Body ground

Always

Below 1 Ω

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

N76-1 (+B) - N76-4 (GND)

Always

11 to 14 V

N76-2 (IG) - N76-4 (GND)

Ignition switch ON

11 to 14 V

Ignition switch off

Below 1 V

OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR