Last Modified: 05-08-2025 6.11:8.1.0 Doc ID: RM100000002FR73
Model Year Start: 2024 Model: RAV4 Prod Date Range: [10/2023 -           ]
Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): C05C051; Brake Pedal Position Sensor "A" Not Programmed; 2024 - 2025 MY RAV4 RAV4 HV [10/2023 -        ]

DTC

C05C051

Brake Pedal Position Sensor "A" Not Programmed

DESCRIPTION

Refer to DTC C05C000.

Click here 2024 - 2025 MY RAV4 RAV4 HV [10/2023 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): C05C000; Brake Pedal Position Sensor "A"

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

MIL

Note

C05C051

Brake Pedal Position Sensor "A" Not Programmed

The brake pedal stroke sensor assembly zero point calibration is not performed.

(Normal brake pedal stroke sensor assembly zero point not memorized.)
  • Valid brake pedal stroke sensor assembly zero point not memorized.

    (Calibration not performed or not completed)

  • Wire harness and connector
  • Brake pedal stroke sensor assembly

Does not come on

Output ECU: No. 1 skid control ECU (brake booster with master cylinder assembly)

HINT:

During Dealer Mode, related DTCs are cleared.

WIRING DIAGRAM

Refer to DTC C110000.

Click here 2024 - 2025 MY RAV4 RAV4 HV [10/2023 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): C110000; Brake Pedal Position Sensor "A" Supply Voltage Malfunction

CAUTION / NOTICE / HINT

NOTICE:

After replacing or reinstalling the brake pedal stroke sensor assembly, perform "Calibration" after performing "Reset Memory".

Click here 2022 - 2025 MY RAV4 RAV4 HV [12/2021 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): UTILITY

PROCEDURE

1.

PERFORM BRAKE PEDAL STROKE SENSOR ASSEMBLY ZERO POINT CALIBRATION

(a) Perform brake pedal stroke sensor assembly zero point calibration.

Click here 2022 - 2025 MY RAV4 RAV4 HV [12/2021 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): UTILITY

Chassis > Brake/EPB > Utility

Tester Display

Reset Memory

Chassis > Brake/EPB > Utility

Tester Display

Calibration
NEXT

2.

CLEAR DTC

(a) Clear the DTCs.

Chassis > Brake Booster > Clear DTCs

Chassis > Brake/EPB > Clear DTCs

(b) Turn the ignition switch off.

NEXT

3.

RECONFIRM DTC

(a) Based on the Freeze Frame Data and interview with the customer, attempt to reproduce the conditions when the malfunction occurred.

(b) Check if the same DTC is output.

Chassis > Brake Booster > Trouble Codes

Chassis > Brake/EPB > Trouble Codes

Result

Proceed to

Only DTC C05C051 is output.

A

DTCs are not output.

B

DTCs other than C05C051 are output.

C
B

END
C

REPAIR CIRCUITS INDICATED BY OUTPUT DTCS
A

4.

INSPECT BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY (SENSOR OUTPUT)

(a) Turn the ignition switch off.

*A

except TMC Made

*B

for TMC Made

*a

Front view of wire harness connector

(to Brake Pedal Stroke Sensor Assembly)

(b) Make sure that there is no looseness at the locking part and the connecting part of the connectors.

OK:

The connector is securely connected.

(c) Disconnect the A103*1 or A110*2 brake pedal stroke sensor assembly connector.

  • *1: except TMC Made
  • *2: for TMC Made

(d) Check both the connector case and the terminals for deformation and corrosion.

OK:

No deformation or corrosion.

(e) Turn the ignition switch to ON.

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

Standard Voltage:

except TMC Made

Tester Connection

Condition

Specified Condition

A103-4 (VCSK) - A103-5 (SKG)

Ignition switch ON

4.84 to 5.16 V

for TMC Made

Tester Connection

Condition

Specified Condition

A110-4 (VCSK) - A110-5 (SKG)

Ignition switch ON

4.84 to 5.16 V
OK

REPLACE BRAKE PEDAL STROKE SENSOR ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR