Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM100000001RE8L
Model Year Start: 2021 Model: Camry Prod Date Range: [10/2020 -           ]
Title: PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: ECU Power Source Circuit; 2021 - 2024 MY Camry [10/2020 -        ]

ECU Power Source Circuit

DESCRIPTION

This circuit is the power source circuit to operate the television camera controller. The television camera controller 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 television camera controller 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 (TELEVISION CAMERA CONTROLLER - BODY GROUND)

(a) Disconnect the R125 television camera controller connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

R125-4 (GND1) - Body ground

Always

Below 1 Ω

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

2.

CHECK HARNESS AND CONNECTOR (TELEVISION CAMERA CONTROLLER POWER SOURCE)

(a) Disconnect the R125 television camera controller connector.

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

R125-1 (+B) - R125-4 (GND1)

Ignition switch off

11 to 14 V

R125-2 (ACC) - R125-4 (GND1)

Ignition switch ACC

11 to 14 V

Ignition switch off

Below 1 V

R125-3 (IG) - R125-4 (GND1)

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