Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM1000000026ZF2
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [09/2022 -           ]
Title: PARK ASSIST / MONITORING: REAR VIEW MONITOR SYSTEM (for Single Knob Radio and Display Receiver): TERMINALS OF ECU; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]

TERMINALS OF ECU

REAR TELEVISION CAMERA ASSEMBLY

(a) Disconnect the V22*1 or O115*2 rear television camera assembly connector.

*1

for Hatchback Model

*2

for Sedan Model

(b) Measure the voltage of each terminal of the wire harness side connector.

Terminal No. (Symbol)

Terminal Description

Condition

Specified Condition

V22*1 or O115*2-6 (CB+) - Body ground

Power source

Ignition switch ACC

5.5 to 7.05 V

If the result is not as specified, there may be a malfunction on the wire harness side.

(c) Reconnect the V22*1 or O115*2 rear television camera assembly connector.

(d) Measure the voltage and check for pulses at each terminal of the connector.

Terminal No. (Symbol)

Terminal Description

Condition

Specified Condition

V22*1 or O115*2-3 (CV+) - V22*1 or O115*2-2 (CV-)

Video signal

Ignition switch ON

Reverse (R) selected

Camera lens not covered, displaying an image

Pulse generation

(Refer to waveform 1)

Ignition switch ON

Reverse (R) selected

Camera lens covered, blacking out the screen

Pulse generation

(Refer to waveform 2)

V22*1 or O115*2-5 (CGND) - Body ground

Shield ground

Always

Below 1 V

HINT:

A waterproof connector is used for the rear television camera assembly. Therefore, inspect the waveform at the radio and display receiver assembly with the connector connected.

If the result is not as specified, the rear television camera assembly may be malfunctioning.

  • *1: for Hatchback Model
  • *2: for Sedan Model

(e) Reference (Oscilloscope waveform):

*a

Waveform 1 (camera lens is not covered, displaying an image)

*b

Waveform 2 (camera lens is covered, blacking out the screen)

*c

Synchronization Signal

*d

Video Waveform

HINT:

A waterproof connector is used for the rear television camera assembly. Therefore, inspect the waveform at the radio and display receiver assembly with the connector connected.

(1) Waveform 1 (camera lens is not covered, displaying an image)

Item

Content

Measurement terminal

V22*1 or O115*2-3 (CV+) - V22*1 or O115*2-2 (CV-)

Measurement setting

200 mV/DIV., 50 μs./DIV.

Condition

Ignition switch ON, reverse (R) selected

  • *1: for Hatchback Model
  • *2: for Sedan Model

HINT:

  • The video waveform changes according to the image sent by the rear television camera assembly.
  • The video waveform is constantly output when the ignition switch is ACC.
  • Make sure that the rear camera is enabled in general settings.

Item

Content

Measurement terminal

V22*1 or O115*2-3 (CV+) - V22*1 or O115*2-2 (CV-)

Measurement setting

200 mV/DIV., 50 μs./DIV.

Condition

Ignition switch ON, reverse (R) selected

  • *1: for Hatchback Model
  • *2: for Sedan Model

(2) Waveform 2 (camera lens is covered, blacking out the screen)

HINT:

  • The video waveform changes according to the image sent by the rear television camera assembly.
  • The video waveform is constantly output when the ignition switch is ACC.
  • Make sure that the rear camera is enabled in general settings.

RADIO AND DISPLAY RECEIVER ASSEMBLY

Click here 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for Single Knob Type): TERMINALS OF ECU 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for Single Knob Type): TERMINALS OF ECU