Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001EXIP
Model Year Start: 2019 Model: RAV4 Prod Date Range: [11/2018 - 02/2019]
Title: PARKING BRAKE: ELECTRIC PARKING BRAKE SYSTEM (w/o Vacuum Brake Booster): C13A0,C13A5,C13B0; Open circuit in Power source circuit; 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]

DTC

C13A0

Open circuit in Power source circuit

DTC

C13A5

Electric Current of Motor

DTC

C13B0

Electric Parking Brake ECU Malfunction

DESCRIPTION

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Memory

Note

C13A0

Open circuit in Power source circuit

Both of following conditions are met:

  1. Power switch on (IG) or electric parking brake switch (integration control and panel assembly) pulled to lock side with power switch off.
  2. Parking brake ECU assembly's power source relay is open for approximately 0.5 seconds.
  • Parking brake actuator assembly
  • Parking brake ECU assembly

Yes

An electric parking brake system malfunction is displayed on the multi-information display.

C13A5

Electric Current of Motor

One of the following conditions are met:

Detection conditions (1)

  1. Power switch on (IG) or electric parking brake switch (integration control and panel assembly) pulled to lock side with power switch off.
  2. Parking brake ECU assembly's internal current is abnormal for approximately 0.1 to 0.5 seconds (differs according to malfunction contents).

Detection conditions (2)

  • When current zero point calibration is not completed within 3 seconds after turning the power switch on (IG)
  • Parking brake actuator assembly
  • Parking brake ECU assembly

Yes

An electric parking brake system malfunction is displayed on the multi-information display.

C13B0

Electric Parking Brake ECU Malfunction

Both of following conditions are met:

  1. Power switch on (IG) or electric parking brake switch (integration control and panel assembly) pulled to lock side with power switch off.
  2. Internal current of parking brake ECU assembly or ECU components abnormal for a maximum of 60 seconds (differs according to malfunction contents).
  • Parking brake actuator assembly
  • Parking brake ECU assembly

Yes

An electric parking brake system malfunction is displayed on the multi-information display.

DTC Detection Condition Combination Table: C13A0

 

Vehicle Condition

Pattern 1

Pattern 2

Diagnosis Condition

Electric parking brake switch (integration control and panel assembly) is operated to lock side with power switch off

-

Power switch on (IG)

-

Malfunction Status

Open circuit in parking brake ECU assembly internal power source relay

Detection Time

Approximately 0.5 seconds

Approximately 0.5 seconds

Trip Count

1 trip

1 trip

HINT:

If the conditions match either of these patterns, a DTC will be output.

DTC Detection Condition Combination Table: C13A5

 

Vehicle Condition

Pattern 1

Pattern 2

Pattern 3

Diagnosis Condition

Electric parking brake switch (integration control and panel assembly) is operated to lock side with power switch off

-

-

Power switch on (IG)

-

-

When current zero point calibration is not completed

-

-

Malfunction Status

Parking brake ECU assembly internal current value malfunction

-

Detection Time

Approximately 0.1 to 0.5 seconds (differs according to malfunction contents)

Approximately 0.1 to 0.5 seconds (differs according to malfunction contents)

Within 3 seconds after turning the power switch on (IG)

Trip Count

1 trip

1 trip

1 trip

HINT:

If the conditions match either of these patterns, a DTC will be output.

DTC Detection Condition Combination Table: C13B0

 

Vehicle Condition

Pattern 1

Pattern 2

Diagnosis Condition

Electric parking brake switch (integration control and panel assembly) is operated to lock side with power switch off

-

Power switch on (IG)

-

Malfunction Status

Parking brake ECU assembly internal voltage malfunction or EEPROM malfunction

Detection Time

Maximum of 60 seconds (differs according to malfunction contents)

Maximum of 60 seconds (differs according to malfunction contents)

Trip Count

1 trip

1 trip

HINT:

If the conditions match either of these patterns, a DTC will be output.

CAUTION / NOTICE / HINT

NOTICE:

When replacing the parking brake ECU assembly, operate the electric parking brake switch (integration control and panel assembly) from the lock side to the release side, as the parking brake indicator light blinks when the power switch is first turned on (IG).

PROCEDURE

1.

INSPECT PARKING BRAKE ACTUATOR ASSEMBLY

(a) Remove the parking brake actuator assembly.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; PARKING BRAKE: ELECTRIC PARKING BRAKE ACTUATOR: REMOVAL

(b) Inspect the parking brake actuator assembly.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; PARKING BRAKE: ELECTRIC PARKING BRAKE ACTUATOR: INSPECTION

NG

REPLACE PARKING BRAKE ACTUATOR ASSEMBLY

OK

2.

REPLACE PARKING BRAKE ECU ASSEMBLY

(a) Replace parking brake ECU assembly.

Click here 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; PARKING BRAKE: ELECTRIC PARKING BRAKE ECU: REMOVAL

NEXT

END