Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM10000000214QX
Model Year Start: 2022 Model: RAV4 Prod Date Range: [12/2021 -           ]
Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): C145151; High Pressure Tube Air Bleeding Not Programmed; 2022 - 2024 MY RAV4 RAV4 HV [12/2021 -        ]

DTC

C145151

High Pressure Tube Air Bleeding Not Programmed

DESCRIPTION

If air bleeding has not been performed, the No. 1 skid control ECU (brake booster with master cylinder assembly) stores DTC C145151 to prevent the entry of air due to pump motor operation.

DTC C145151 is stored when Motor Deactivate is selected, the system will not return to normal until the air bleeding procedure is performed.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

MIL

Note

C145151

High Pressure Tube Air Bleeding Not Programmed

Either of the following is detected:

  • Using the GTS, "Motor Deactivate" of the "ECB Utility" has been performed.
  • The brake booster with master cylinder assembly has been replaced.

Air bleeding not performed

Does not come on

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

HINT:

  • The DTC is cleared when the conditions return to normal.
  • ECB: Electronically Controlled Brake System

C145151 DTC Detection Conditions

 

Vehicle Condition

Pattern 1

Pattern 2

Diagnosis Condition

-

-

-

Malfunction Status

Using the GTS, "Motor Deactivate" of the "ECB Utility" has been performed

○

-

The brake booster with master cylinder assembly has been replaced

-

○

Detection Time

-

-

Number of Trips

1 trip

1 trip

HINT:

DTC will be output when conditions for either of the patterns in the table above are met.

PROCEDURE

1.

PERFORM AIR BLEEDING

(a) Bleed the air from the brake system.

Click here 2022 - 2024 MY RAV4 RAV4 HV [12/2021 -        ]; BRAKE SYSTEM (OTHER): BRAKE FLUID (w/o Vacuum Brake Booster): BLEEDING

HINT:

If air bleeding has been performed, this DTC will be cleared.

NEXT

2.

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

Result

Proceed to

DTC C145151 is not output.

A

DTC C145151 is output.

B
A

END
B

PERFORM AIR BLEEDING AGAIN