Last Modified: 06-02-2026 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 - 2025 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 - 2025 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

Result

Proceed to

for Gasoline Model

A

for HV Model

B

B

GO TO STEP 3

A

2.

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 - 2025 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 - 2025 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 - 2025 MY RAV4 [11/2018 -        ]; UB80E (AUTOMATIC TRANSMISSION / TRANSAXLE): PARK / NEUTRAL POSITION SWITCH: INSPECTION

for UB80F:

Click here 2019 - 2025 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 - 2025 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 - 2025 MY RAV4 [10/2023 -        ]; UB80F (AUTOMATIC TRANSMISSION / TRANSAXLE): PARK / NEUTRAL POSITION SWITCH: REMOVAL

OK

3.

CHECK HARNESS AND CONNECTOR (REVERSE SIGNAL)

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

*a

Front view of wire harness connector

(to Radio and Display Receiver Assembly)

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

Standard Voltage

Tester Connection

Condition

Specified Condition

G3-5 (REV) - Body ground

Ignition switch ON

Shift position in R

11 to 14 V

G3-17 (REVD) - Body ground

Ignition switch ON

Shift position in R

11 to 14 V

G3-5 (REV) - Body ground

Ignition switch ON

Shift position not in R

Below 1 V

G3-17 (REVD) - Body ground

Ignition switch ON

Shift position not in R

Below 1 V

OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR