Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001FAHO
Model Year Start: 2019 Model: RAV4 Prod Date Range: [11/2018 - 12/2021]
Title: PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1A45; Vehicle Speed Sensor; 2019 - 2021 MY RAV4 RAV4 HV [11/2018 - 12/2021]

DTC

C1A45

Vehicle Speed Sensor

DESCRIPTION

The blind spot monitor sensor receives vehicle speed signals from the skid control ECU assembly via CAN communication.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1A45

Vehicle Speed Sensor

A fail flag is transmitted from the skid control ECU assembly

  • Electronically controlled brake system
  • Blind spot monitor sensor RH
  • Blind spot monitor sensor LH

CAUTION / NOTICE / HINT

NOTICE:

When checking for DTCs, make sure that the blind spot monitor system is turned on.

PROCEDURE

1.

CHECK DTC (ELECTRONICALLY CONTROLLED BRAKE SYSTEM)

(a) Check for electronically controlled brake system DTCs.

for HV Model

Click here 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): DTC CHECK / CLEAR 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

for Gasoline Model

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/ Vacuum Brake Booster): DTC CHECK / CLEAR

OK:

Electronically controlled brake system DTCs are not output.

NG

GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM

for HV Model

Click here 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): DIAGNOSTIC TROUBLE CODE CHART 2019 MY RAV4 RAV4 HV [02/2019 - 10/2019]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): DIAGNOSTIC TROUBLE CODE CHART 2020 MY RAV4 RAV4 HV [10/2019 - 06/2020]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): DIAGNOSTIC TROUBLE CODE CHART 2020 MY RAV4 RAV4 HV [06/2020 - 08/2020]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): DIAGNOSTIC TROUBLE CODE CHART 2021 MY RAV4 RAV4 HV [08/2020 - 12/2021]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): DIAGNOSTIC TROUBLE CODE CHART

for Gasoline Model

Click here 2019 MY RAV4 RAV4 HV [11/2018 - 10/2019]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/ Vacuum Brake Booster): DIAGNOSTIC TROUBLE CODE CHART 2020 MY RAV4 RAV4 HV [10/2019 - 08/2020]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/ Vacuum Brake Booster): DIAGNOSTIC TROUBLE CODE CHART 2021 MY RAV4 RAV4 HV [08/2020 - 12/2021]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/ Vacuum Brake Booster): DIAGNOSTIC TROUBLE CODE CHART

OK

2.

RECHECK DTC

(a) Turn the ignition switch off.

(b) Turn the ignition switch to ON.

(c) Recheck for DTCs and check if the same DTC is output again.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: DTC CHECK / CLEAR

Body Electrical > Blind Spot Monitor Master > Trouble Codes

Body Electrical > Blind Spot Monitor Slave > Trouble Codes

Result

Proceed to

No DTCs are output.

A

DTC C1A45 is output ("Blind Spot Monitor Master").

B

DTC C1A45 is output ("Blind Spot Monitor Slave").

C

A

USE SIMULATION METHOD TO CHECK

B

REPLACE BLIND SPOT MONITOR SENSOR LH 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL 2019 MY RAV4 RAV4 HV [02/2019 - 10/2019]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL 2020 - 2021 MY RAV4 RAV4 HV [10/2019 - 12/2021]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL

C

REPLACE BLIND SPOT MONITOR SENSOR RH 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL 2019 MY RAV4 RAV4 HV [02/2019 - 10/2019]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL 2020 - 2021 MY RAV4 RAV4 HV [10/2019 - 12/2021]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: REMOVAL