Toyota Avalon Service & Repair Manual: Fail-safe Chart

FAIL-SAFE CHART

DTC

Trouble Area

Brake System Warning Light (Yellow)

Parking Brake Indicator Light (Red)

Fail-safe Deactivation Condition

C1245

Deceleration sensor data malfunction

Illuminates

Normal

20 seconds after power switch turned off

C13A0

Open in power supply relay circuit

Illuminates

Normal*

20 seconds after power switch turned off

C13A1

Short in power supply relay circuit

Illuminates

Normal

20 seconds after power switch turned off

C13A2

Power switch malfunction

Illuminates

Normal

20 seconds after power switch turned off

C13A5

Parking brake motor (Parking brake actuator assembly) current monitor malfunction

Illuminates

Normal*

20 seconds after power switch turned off

C13A6

Parking brake motor (Parking brake actuator assembly) open or short malfunction

Illuminates

Normal*

20 seconds after power switch turned off

C13A7

Parking brake actuator assembly malfunction (jamming, spinning, repeated slipping)

Illuminates

Normal*

Parking brake actuator assembly normal

C13A9

Brake Control System Malfunction

Illuminates

Normal

Wheel speed of 1 wheel or more received normally

C13AA

Electric parking brake high temperature

Does not illuminate

Blinks

Wait 1 minute

C13AE

System information not received malfunction

Illuminates

Normal

System information received

C13B0

ECU malfunction

Illuminates

Normal*

Parking brake ECU (brake actuator assembly) normal

C13B4

Electric parking brake switch open or short circuit malfunction

Illuminates

Blinks

After returning to normal condition, turn power switch again

U0073

CAN communication system malfunction

Illuminates

Normal

Power switch off

U0100

SFI system communication malfunction

Illuminates

Normal

Communication normal, power switch off

U0124

Deceleration sensor communication malfunction

Illuminates

Normal

Communication normal, power switch off

U0129

Brake system communication malfunction

Illuminates

Normal

Communication normal, power switch off

U0293

Hybrid vehicle control ECU communication malfunction

Illuminates

Normal

Communication normal, power switch off

  • *: The parking brake indicator light blinks (red) if the electric parking brake switch assembly is pulled or pushed.
    Electric Parking Brake System AUTO Function Circuit

    Freeze Frame Data

    See More:

    Toyota Avalon Service & Repair Manual > Panoramic View Monitor System(for Hv Model): ECU Malfunction (C1611)
    DESCRIPTION This DTC is stored if the television camera assembly judges that there is an internal malfunction as a result of its self check. HINT: The television camera assembly stores different types of information during initialization. If the television camera assembly cannot read the stored info ...

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