Last Modified: 01-30-2024 |
6.11:8.1.0 |
Doc ID: RM100000001H419 |
Model Year Start: 2019 |
Model: RAV4 |
Prod Date Range: [02/2019 - 12/2021] |
Title: PARKING BRAKE: ELECTRIC PARKING BRAKE SYSTEM (w/o Vacuum Brake Booster): C13A9; Brake System Malfunction; 2019 - 2021 MY RAV4 RAV4 HV [02/2019 - 12/2021] |
DTC
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C13A9
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Brake System Malfunction
|
DESCRIPTION
The parking brake ECU assembly receives the wheel speed information of each wheel from the skid control ECU (brake booster with master cylinder assembly) via CAN communication.
This DTC is stored when a malfunction occurs in the skid control ECU (brake booster with master cylinder assembly).
DTC No.
|
Detection Item
|
DTC Detection Condition
|
Trouble Area
|
Memory
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Note
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C13A9
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Brake System Malfunction
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One of the following conditions is met:
-
When the ignition switch is ON, all speed sensor malfunction signals input from the skid control ECU (brake booster with master cylinder assembly) continue for approximately 0.3 seconds or more.
-
When the ignition switch is ON, brake system malfunction signal input from the skid control ECU (brake booster with master cylinder assembly) continues for approximately 0.3 seconds or more.
-
When the parking brake is not operating while driving and the ignition switch is ON, an operating signal is input from the skid control ECU (brake booster with master cylinder assembly) for approximately 0.3 seconds or more when the parking brake ECU assembly is not outputting an operation request signal.
|
-
Skid control ECU (brake booster with master cylinder assembly)
-
Parking brake ECU assembly
|
Yes
|
An electric parking brake system malfunction is displayed on the multi-information display.
|
DTC Detection Condition Combination Table: C13A9
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Vehicle Condition
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Pattern 1
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Pattern 2
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Pattern 3
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Diagnosis Condition
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Ignition switch ON
|
○
|
○
|
-
|
When the parking brake is not operating while driving and the ignition switch is ON
|
-
|
-
|
○
|
Malfunction Status
|
All speed sensor malfunction signals input from the skid control ECU (brake booster with master cylinder assembly)
|
○
|
-
|
-
|
Brake system malfunction signal input from the skid control ECU (brake booster with master cylinder assembly)
|
-
|
○
|
-
|
An operating signal is input from the skid control ECU (brake booster with master cylinder assembly) when the parking brake ECU assembly is not outputting an operation request signal
|
-
|
-
|
○
|
Detection Time
|
Approximately 0.3 seconds
|
Approximately 0.3 seconds
|
Approximately 0.3 seconds
|
Trip Count
|
1 trip
|
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 ignition switch is first turned to ON.
PROCEDURE
1.
|
CHECK DTC (ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster))
|
(a) Check for DTC.
Click here
Chassis > ABS/VSC/TRAC > Trouble Codes
DTC is not output
|
|
|
2.
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CHECK DTC (ELECTRIC PARKING BRAKE SYSTEM (w/o Vacuum Brake Booster))
|
(a) Clear the DTCs.
Click here
Chassis > Electric Parking Brake > Clear DTCs
(b) Turn the ignition switch off.
(c) Check for DTC.
Click here
Chassis > Electric Parking Brake > Trouble Codes
|