Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM1000000015970
Model Year Start: 2018 Model: Camry HV Prod Date Range: [07/2017 -           ]
Title: PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: TERMINALS OF ECU; 2018 - 2024 MY Camry HV [07/2017 -        ]

TERMINALS OF ECU

REAR TELEVISION CAMERA ASSEMBLY

(a) Disconnect the m1 rear television camera assembly connector.

(b) Measure the voltage on the wire harness side connector according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

m1-6 (CB+) - Body ground

GR - Body ground

Power source

Power switch on (ACC)

11 to 14 V

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

(c) Reconnect the m1 rear television camera assembly connector.

(d) Check for pulses between each terminal of the connector.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

m1-3 (CV+) - m1-2 (CV-)

B - G

Video signal

Power switch on (IG)

Shift lever in R

Camera lens not covered, displaying image

Pulse generation

(Refer to waveform 1)

Power switch on (IG)

Shift lever in R

Camera lens covered, blacking out screen

Pulse generation

(Refer to waveform 2)

m1-5 (CGND) - Body ground

BR - 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.

(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

m1-3 (CV+) - m1-2 (CV-)

Measurement setting

200 mV/DIV., 50 μs./DIV.

Condition

Power switch on (IG), shift lever in R

HINT:

  • The video waveform changes according to the image sent by the rear television camera assembly.
  • The video waveform is constantly output when the power switch is on (ACC).

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

Item

Content

Measurement terminal

m1-3 (CV+) - m1-2 (CV-)

Measurement setting

200 mV/DIV., 50 μs./DIV.

Condition

Power switch on (IG), shift lever in R

HINT:

  • The video waveform changes according to the image sent by the rear television camera assembly.
  • The video waveform is constantly output when the power switch is on (ACC).

RADIO AND DISPLAY RECEIVER ASSEMBLY

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

K2-27 (CGND) - Body ground

Shielded - Body ground

Shield ground

Always

Below 1 V

K2-28 (V+) - K3-1 (GND1)

V - BR

Video signal

Power switch on (IG)

Shift lever in R

Camera lens not covered, displaying image

Pulse generation

(Refer to waveform 1)

Power switch on (IG)

Shift lever in R

Camera lens covered, blacking out screen

Pulse generation

(Refer to waveform 2)

K2-29 (V-) - K3-1 (GND1)

SB - BR

Ground

Always

Below 1 V

(a) Reference (Oscilloscope waveform):

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

Item

Content

Measurement terminal

K2-28 (V+) - K3-1 (GND1)

Measurement setting

200 mV/DIV., 50 μs/DIV.

Condition

Power switch on (IG), shift lever in R

HINT:

  • The video waveform changes according to the image sent by the rear television camera assembly.
  • The video waveform is constantly output when the power switch is on (ACC).

*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

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

Item

Content

Measurement terminal

K2-28 (V+) - K3-1 (GND1)

Measurement setting

200 mV/DIV., 50 μs/DIV.

Condition

Power switch on (IG), shift lever in R

HINT:

  • The video waveform changes according to the image sent by the rear television camera assembly.
  • The video waveform is constantly output when the power switch is on (ACC).