Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001HLRW
Model Year Start: 2019 Model: RAV4 Prod Date Range: [02/2019 - 12/2021]
Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): C147D; Air Bag Circuit; 2019 - 2021 MY RAV4 RAV4 HV [02/2019 - 12/2021]

DTC

C147D

Air Bag Circuit

DESCRIPTION

The skid control ECU (brake booster with master cylinder assembly) receives the secondary collision brake control request signal from the airbag ECU assembly.

DTC No.

Detection Item

INF Code

DTC Detection Condition

Trouble Area

Note

C147D

Air Bag Circuit

451

An abnormal secondary collision brake control request signal is received 2 times or more when communication with the airbag ECU assembly is possible.

Airbag ECU assembly

-

PROCEDURE

1.

CHECK DTC

(a) Clear the DTCs.

Click here 2019 - 2021 MY RAV4 RAV4 HV [02/2019 - 12/2021]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): DTC CHECK / CLEAR

Chassis > ABS/VSC/TRAC > Clear DTCs

(b) Turn the ignition switch off.

(c) Turn the ignition switch to ON.

(d) Check if the same DTC is output.

Click here 2019 - 2021 MY RAV4 RAV4 HV [02/2019 - 12/2021]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): DTC CHECK / CLEAR

Chassis > ABS/VSC/TRAC > Trouble Codes

Result

Proceed to

DTC C147D is output.

A

DTC C147D is not output.

B
A

REPLACE AIRBAG ECU ASSEMBLY 2019 MY RAV4 RAV4 HV [02/2019 - 10/2019]; SUPPLEMENTAL RESTRAINT SYSTEMS: CENTER AIRBAG SENSOR ASSEMBLY: REMOVAL 2020 MY RAV4 RAV4 HV [10/2019 - 08/2020]; SUPPLEMENTAL RESTRAINT SYSTEMS: CENTER AIRBAG SENSOR ASSEMBLY: REMOVAL 2021 MY RAV4 RAV4 HV [08/2020 - 12/2021]; SUPPLEMENTAL RESTRAINT SYSTEMS: CENTER AIRBAG SENSOR ASSEMBLY: REMOVAL

B

USE SIMULATION METHOD TO CHECK