Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM1000000027PE0
Model Year Start: 2023 Model: RAV4 Prod Date Range: [10/2022 -           ]
Title: PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: Reverse Signal Circuit; 2023 - 2024 MY RAV4 RAV4 HV [10/2022 -        ]

Reverse Signal Circuit

DESCRIPTION

The radio and display receiver assembly receives a reverse signal from the BKUP LP relay*1 or park/neutral position switch assembly*2.

*1: for HV Model

*2: for Gasoline Model

WIRING DIAGRAM

for Gasoline Model
for HV Model

CAUTION / NOTICE / HINT

NOTICE:

  • 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 parking assist monitor system may be needed.

    Click here 2023 - 2024 MY RAV4 RAV4 HV [10/2022 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: CALIBRATION

  • for Gasoline Model

    Inspect the fuses and relays for circuits related to this system before performing the following procedure.

  • for HV Model

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

PROCEDURE

1.

CHECK VEHICLE TYPE

Result

Proceed to

for Gasoline Model

A

for HV Model

B

B

GO TO STEP 5

A

2.

CHECK VEHICLE SIGNAL (DISPLAY CHECK MODE)

(a) Enter the "Function Check/Setting I" mode and select "Vehicle Signal".

Click here 2023 - 2024 MY RAV4 RAV4 HV [10/2022 -        ]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: OPERATION CHECK

(b) Check that the "REV" item on the display changes between ON and OFF according to the shift lever position.

OK:

Shift Lever Position

Display

R

ON

Except R

OFF

HINT:

This display is updated once per second. As a result, it is normal for the display to lag behind the actual shift lever position.

OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

3.

INSPECT PARK/NEUTRAL POSITION SWITCH ASSEMBLY

(a) Remove the park/neutral position switch assembly.

for UB80E:

Click here 2023 MY RAV4 [10/2022 - 10/2023]; UB80E (AUTOMATIC TRANSMISSION / TRANSAXLE): PARK / NEUTRAL POSITION SWITCH: REMOVAL 2024 MY RAV4 [10/2023 -        ]; UB80E (AUTOMATIC TRANSMISSION / TRANSAXLE): PARK / NEUTRAL POSITION SWITCH: REMOVAL

for UB80F:

Click here 2023 MY RAV4 [10/2022 - 10/2023]; UB80F (AUTOMATIC TRANSMISSION / TRANSAXLE): PARK / NEUTRAL POSITION SWITCH: REMOVAL 2024 MY RAV4 [10/2023 -        ]; UB80F (AUTOMATIC TRANSMISSION / TRANSAXLE): PARK / NEUTRAL POSITION SWITCH: REMOVAL

(b) Inspect the park/neutral position switch assembly.

for UB80E:

Click here 2019 - 2024 MY RAV4 [11/2018 -        ]; UB80E (AUTOMATIC TRANSMISSION / TRANSAXLE): PARK / NEUTRAL POSITION SWITCH: INSPECTION

for UB80F:

Click here 2019 - 2024 MY RAV4 [11/2018 -        ]; UB80F (AUTOMATIC TRANSMISSION / TRANSAXLE): PARK / NEUTRAL POSITION SWITCH: INSPECTION

NG

REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY

for UB80E:

Click here 2023 MY RAV4 [10/2022 - 10/2023]; UB80E (AUTOMATIC TRANSMISSION / TRANSAXLE): PARK / NEUTRAL POSITION SWITCH: REMOVAL 2024 MY RAV4 [10/2023 -        ]; UB80E (AUTOMATIC TRANSMISSION / TRANSAXLE): PARK / NEUTRAL POSITION SWITCH: REMOVAL

for UB80F:

Click here 2023 MY RAV4 [10/2022 - 10/2023]; UB80F (AUTOMATIC TRANSMISSION / TRANSAXLE): PARK / NEUTRAL POSITION SWITCH: REMOVAL 2024 MY RAV4 [10/2023 -        ]; UB80F (AUTOMATIC TRANSMISSION / TRANSAXLE): PARK / NEUTRAL POSITION SWITCH: REMOVAL

OK

4.

CHECK HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH ASSEMBLY - RADIO AND DISPLAY RECEIVER ASSEMBLY AND BATTERY)

(a) Disconnect the C31 park/neutral position switch assembly connector.

(b) Disconnect the G3 radio and display receiver assembly connector.

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

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

C31-1 (RB) - Body ground

Ignition switch ON

11 to 14 V

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

C31-2 (RL) - G3-28 (REV)

Always

Below 1 Ω

C31-2 (RL) - Body ground

Always

10 kΩ or higher

OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

5.

CHECK VEHICLE SIGNAL (DISPLAY CHECK MODE)

(a) Enter the "Function Check/Setting I" mode and select "Vehicle Signal".

Click here 2023 - 2024 MY RAV4 RAV4 HV [10/2022 -        ]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: OPERATION CHECK

(b) Check that the "REV" item on the display changes between ON and OFF according to the shift lever position.

OK:

Shift Lever Position

Display

R

ON

Except R

OFF

HINT:

This display is updated once per second. As a result, it is normal for the display to lag behind the actual shift lever position.

Result

Proceed to

OK

A

NG

B

A

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

B

GO TO AUDIO AND VISUAL SYSTEM