Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001K92P
Model Year Start: 2020 Model: RAV4 Prod Date Range: [10/2019 - 12/2021]
Title: TELEMATICS: TELEMATICS SYSTEM: Remote Engine Starter does not Operate; 2020 - 2021 MY RAV4 RAV4 HV [10/2019 - 12/2021]

Remote Engine Starter does not Operate

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

Before replacing the DCM (telephone transceiver assembly), refer to Registration.

for HV Model: Click here 2020 - 2021 MY RAV4 HV [10/2019 - 12/2021]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, HV Model): REGISTRATION

for Gasoline Model: Click here 2020 MY RAV4 [10/2019 - 08/2020]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION 2021 MY RAV4 [08/2020 - 12/2021]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION

PROCEDURE

1.

CHECK SMART KEY SYSTEM (for Start Function)

(a) Check that the engine can be started by pressing the ignition switch.

Result

Proceed to

Engine can be started.

A

Engine cannot be started.

B
B

GO TO SMART KEY SYSTEM (for Start Function)

for HV Model: Click here 2019 - 2021 MY RAV4 HV [02/2019 - 12/2021]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, HV Model): HOW TO PROCEED WITH TROUBLESHOOTING

for Gasoline Model: Click here 2019 - 2020 MY RAV4 [11/2018 - 08/2020]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): HOW TO PROCEED WITH TROUBLESHOOTING 2021 MY RAV4 [08/2020 - 12/2021]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): HOW TO PROCEED WITH TROUBLESHOOTING

A

2.

REGISTRATION

HINT:

If registration is not performed after replacing any of the following parts, the remote engine start and stop will not be available.

  • Certification ECU (smart key ECU assembly)
  • DCM (telephone transceiver assembly)

(a) Perform remote engine start and stop registration.

for HV Model: Click here 2020 - 2021 MY RAV4 HV [10/2019 - 12/2021]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, HV Model): REGISTRATION

for Gasoline Model: Click here 2020 MY RAV4 [10/2019 - 08/2020]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION 2021 MY RAV4 [08/2020 - 12/2021]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION

(b) Check if the problem symptom recurs.

Result

Proceed to

System does not return to normal.

A

System returns to normal.

B
B

END
A

3.

CHECK DTC

(a) Clear the DTCs.

for HV Model: Click here 2019 - 2021 MY RAV4 HV [11/2018 - 12/2021]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, HV Model): DTC CHECK / CLEAR

for Gasoline Model: Click here 2019 - 2021 MY RAV4 [11/2018 - 12/2021]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): DTC CHECK / CLEAR

Body Electrical > Smart Key > Clear DTCs

(b) Check for DTCs.

for HV Model: Click here 2019 - 2021 MY RAV4 HV [11/2018 - 12/2021]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, HV Model): DTC CHECK / CLEAR

for Gasoline Model: Click here 2019 - 2021 MY RAV4 [11/2018 - 12/2021]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): DTC CHECK / CLEAR

Body Electrical > Smart Key > Trouble Codes

Result

Proceed to

DTC B2285 is not output.

A

DTC B2285 is output.

B
B

GO TO DTC B2285

for HV Model: Click here 2020 - 2021 MY RAV4 HV [10/2019 - 12/2021]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, HV Model): B2285; Steering Lock Position Signal Circuit Malfunction

for Gasoline Model: Click here 2020 - 2021 MY RAV4 [10/2019 - 12/2021]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): B2285; Steering Lock Position Signal Circuit Malfunction

A

4.

CHECK DCM (TELEPHONE TRANSCEIVER ASSEMBLY)

(a) Disconnect the DCM (telephone transceiver assembly) connector.

*a

Front view of harness connector

(to DCM (Telephone Transceiver Assembly))

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

G131-30 (SLPD) - Body ground

Steering locked

11 to 14 V

Steering unlocked

Below 1.5 V

HINT:

The steering locks when any door is opened with the shift lever in P and the ignition switch off. The steering unlocks when the ignition switch is turned to ON.

OK

REPLACE DCM (TELEPHONE TRANSCEIVER ASSEMBLY)

NG

5.

CHECK HARNESS AND CONNECTOR (DCM (TELEPHONE TRANSCEIVER ASSEMBLY) - CERTIFICATION ECU [SMART KEY ECU ASSEMBLY])

(a) Disconnect the G131 DCM (telephone transceiver assembly) connector.

(b) Disconnect the G54 certification ECU (smart key ECU assembly) connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G131-30 (SLPD) - G54-14 (SLP)

Always

Below 1 Ω
OK

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) 2020 MY RAV4 RAV4 HV [10/2019 - 08/2020]; THEFT DETERRENT / KEYLESS ENTRY: CERTIFICATION ECU: REMOVAL 2021 MY RAV4 RAV4 HV [08/2020 - 12/2021]; THEFT DETERRENT / KEYLESS ENTRY: CERTIFICATION ECU: REMOVAL

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR