Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001HH4Y
Model Year Start: 2019 Model: RAV4 Prod Date Range: [02/2019 - 08/2020]
Title: SEAT BELT: SEAT BELT WARNING SYSTEM (w/ Occupant Classification System): HOW TO PROCEED WITH TROUBLESHOOTING; 2019 - 2020 MY RAV4 RAV4 HV [02/2019 - 08/2020]

HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

HINT:

  • Use the following procedure to troubleshoot the seat belt warning system.
  • *: Use the Techstream.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP
NEXT

2.

CUSTOMER PROBLEM ANALYSIS

(a) Interview the customer to confirm the problem.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING

NEXT

3.

PRE-CHECK

(a) Measure the auxiliary battery voltage.

Standard voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step.

(b) Check the fuses and relays.

(c) Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.

NEXT

4.

CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

(a) Using the Techstream, check for CAN communication system DTCs.

Click here 2019 - 2020 MY RAV4 [11/2018 - 08/2020]; NETWORKING: CAN COMMUNICATION SYSTEM (for Gasoline Model): SYSTEM DIAGRAM

Result

Proceed to

CAN DTCs are not output

A

CAN DTCs are output

B
B

GO TO CAN COMMUNICATION SYSTEM

A

5.

CHECK DTC OUTPUT (AIRBAG SYSTEM)*

(a) Clear DTCs.

Click here 2019 - 2020 MY RAV4 RAV4 HV [11/2018 - 08/2020]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (w/ Occupant Classification System): DTC CHECK / CLEAR

Body Electrical > SRS Airbag > Clear DTCs

(b) Check for DTCs.

Click here 2019 - 2020 MY RAV4 RAV4 HV [11/2018 - 08/2020]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (w/ Occupant Classification System): DTC CHECK / CLEAR

Body Electrical > SRS Airbag > Trouble Codes

Result

Proceed to

DTCs are not output

A

DTCs are output

B
B

GO TO AIRBAG SYSTEM

A

6.

CHECK COMBINATION METER ASSEMBLY

(a) Check the operation of the speedometer and shift indicator on the combination meter assembly.

OK:

The speedometer and shift indicator on the combination meter assembly operate normally.

NG

GO TO METER / GAUGE SYSTEM

OK

7.

PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table.

Click here 2019 - 2020 MY RAV4 RAV4 HV [11/2018 - 08/2020]; SEAT BELT: SEAT BELT WARNING SYSTEM (w/ Occupant Classification System): PROBLEM SYMPTOMS TABLE

Result

Proceed to

Fault is not listed in Problem Symptoms Table

A

Fault is listed in Problem Symptoms Table

B
B

GO TO STEP 9

A

8.

OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Data List / Active Test

Click here 2019 - 2020 MY RAV4 RAV4 HV [02/2019 - 08/2020]; SEAT BELT: SEAT BELT WARNING SYSTEM (w/ Occupant Classification System): DATA LIST / ACTIVE TEST

(b) Terminals of ECU

Click here 2019 - 2020 MY RAV4 RAV4 HV [02/2019 - 08/2020]; SEAT BELT: SEAT BELT WARNING SYSTEM (w/ Occupant Classification System): TERMINALS OF ECU

(c) Operation check

Click here 2019 - 2020 MY RAV4 RAV4 HV [11/2018 - 08/2020]; SEAT BELT: SEAT BELT WARNING SYSTEM (w/ Occupant Classification System): OPERATION CHECK

(d) Inspection

NEXT

9.

REPAIR OR REPLACE
NEXT

10.

CONFIRMATION TEST
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END