Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001C2MM
Model Year Start: 2019 Model: Avalon HV Prod Date Range: [04/2018 -           ]
Title: PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM (for HV Model): "CHK" message(s) are displayed on the SIGNAL CHECK screen.; 2019 - 2022 MY Avalon HV [04/2018 -        ]

"CHK" message(s) are displayed on the SIGNAL CHECK screen.

DESCRIPTION

On the SIGNAL CHECK screen, it is possible to check if the signals sent to the parking assist ECU are normal.

Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM (for HV Model): DTC CHECK / CLEAR

HINT:

  • On the SIGNAL CHECK screen, "OK" (blue) is displayed for items with a normal inspection result or input state.
  • On the SIGNAL CHECK screen, "CHK" (red) is displayed for items with an abnormal inspection result or input state.
  • Displayed items may differ depending on vehicle specifications.

Item

Signal Input Method

Detail

DTC Output when Abnormal Result is Displayed

Signal Receiver

CAN

CAN communication

CAN communication signal

DTC is output

Related ECUs

SHIFT

Vehicle wire harness

Shift position switch signal

DTC is not output

BKUP LP relay

CAMERA SW

Vehicle wire harness

Panoramic view monitor switch signal input state

DTC is not output

Panoramic View Monitor Switch

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

  • When "!" is displayed on the radio and display receiver assembly after the cable is disconnected from the negative (-) auxiliary battery terminal, correct the steering angle neutral point.

    Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; 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 Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM (for HV Model): CALIBRATION

PROCEDURE

1.

CHECK DISPLAY CHECK MODE

(a) Check which items display on the signal check screen.

Result

Proceed to

"CAMERA SW" displays "CHK" (red)

A

"CAN" displays "CHK" (red)

B

"SHIFT" displays "CHK" (red)

C
B

GO TO CAN COMMUNICATION SYSTEM 2019 - 2020 MY Avalon HV [04/2018 - 08/2020]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): DIAGNOSIS SYSTEM 2021 MY Avalon HV [08/2020 - 08/2021]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): DIAGNOSIS SYSTEM 2022 MY Avalon HV [08/2021 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): DIAGNOSIS SYSTEM

C

GO TO STEP 4

A

2.

CHECK HARNESS AND CONNECTOR (PANORAMIC VIEW MONITOR SWITCH - PARKING ASSIST ECU AND BODY GROUND)

(a) Disconnect the G27 panoramic view monitor switch connector.

(b) Disconnect the K35 parking assist ECU connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

K35-20 (BLSW) - G27-5 (D)

Always

Below 1 Ω

G27-2 (E) - Body ground

Always

Below 1 Ω

K35-20 (BLSW) or G27-5 (D) - Body ground

Always

10 kΩ or higher
NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

3.

INSPECT PANORAMIC VIEW MONITOR SWITCH

(a) Remove the panoramic view monitor switch.

Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SWITCH: REMOVAL

(b) Inspect the panoramic view monitor switch.

Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SWITCH: INSPECTION

OK

REPLACE PARKING ASSIST ECU 2019 - 2021 MY Avalon Avalon HV [04/2018 - 08/2021]; PARK ASSIST / MONITORING: PARKING ASSIST ECU: REMOVAL 2022 MY Avalon Avalon HV [08/2021 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST ECU: REMOVAL

NG

REPLACE PANORAMIC VIEW MONITOR SWITCH

4.

CHECK BACK-UP LIGHT

(a) Check that the back-up light comes on.

OK:

The back-up light comes on.

NG

GO TO LIGHTING SYSTEM (EXT)

with Cornering Light: Click here 2019 - 2020 MY Avalon HV [04/2018 - 08/2020]; LIGHTING (EXT): LIGHTING SYSTEM (for HV Model with Cornering Light): PROBLEM SYMPTOMS TABLE 2021 MY Avalon HV [08/2020 - 08/2021]; LIGHTING (EXT): LIGHTING SYSTEM (for HV Model with Cornering Light): PROBLEM SYMPTOMS TABLE 2022 MY Avalon HV [08/2021 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for HV Model with Cornering Light): PROBLEM SYMPTOMS TABLE

without Cornering Light: Click here 2019 - 2020 MY Avalon HV [04/2018 - 08/2020]; LIGHTING (EXT): LIGHTING SYSTEM (for HV Model without Cornering Light): PROBLEM SYMPTOMS TABLE 2021 MY Avalon HV [08/2020 - 08/2021]; LIGHTING (EXT): LIGHTING SYSTEM (for HV Model without Cornering Light): PROBLEM SYMPTOMS TABLE 2022 MY Avalon HV [08/2021 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for HV Model without Cornering Light): PROBLEM SYMPTOMS TABLE

OK

5.

CHECK HARNESS AND CONNECTOR (REVERSE SIGNAL)

(a) Disconnect the K35 parking assist ECU connector.

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

K35-15 (REV) - Body ground

Power switch on (IG), shift lever in R

11 to 14 V

K35-15 (REV) - Body ground

Power switch on (IG), shift lever not in R

Below 1 V
OK

REPLACE PARKING ASSIST ECU 2019 - 2021 MY Avalon Avalon HV [04/2018 - 08/2021]; PARK ASSIST / MONITORING: PARKING ASSIST ECU: REMOVAL 2022 MY Avalon Avalon HV [08/2021 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST ECU: REMOVAL

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR