BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): C13807F; Stop Lamp Relay Actuator Stuck Off; 2022 - 2024 MY RAV4 RAV4 HV [12/2021

Last Modified: 01-30-2024	6.11:8.1.0	Doc ID: RM10000000214QK
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): C13807F; Stop Lamp Relay Actuator Stuck Off; 2022 - 2024 MY RAV4 RAV4 HV [12/2021 - ]

DTC

C13807F

Stop Lamp Relay Actuator Stuck Off

DESCRIPTION

Refer to DTC C13807E.

Click here

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	MIL	Note
C13807F	Stop Lamp Relay Actuator Stuck Off	Either of the following is detected: When the IG1 terminal voltage exceeds 10 V and the +BS terminal voltage is from 9.5 to 17.4 V, stop light drive output (STPO) is ON, STP is OFF and STP2 is OFF continuously for 2 seconds or more. When the IG1 terminal voltage exceeds 10 V and the +BS terminal voltage is from 9.5 to 17.4 V, STP is OFF and STP2 is ON continuously for 5 seconds or more.	Wire harness and connector Stop light switch assembly STP circuit STP2 circuit No. 2 skid control ECU (brake actuator assembly)	Does not come on	Output ECU: No. 2 skid control ECU (brake actuator assembly)

C13807F DTC Detection Conditions

		Vehicle Condition
		Pattern 1	Pattern 2
Diagnosis Condition	When the IG1 terminal voltage exceeds 10 V and the +BS terminal voltage is from 9.5 to 17.4 V	○	○
Malfunction Status	Stop light drive output (STPO) is ON, STP is OFF and STP2 is OFF continuously	○	-
Malfunction Status	STP is OFF and STP2 is ON continuously	-	○
Detection Time		2 seconds or more.	5 seconds or more.
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.

WIRING DIAGRAM

Refer to DTC C13807E.

Click here

CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following procedure.
After replacing the No. 2 skid control ECU (brake actuator assembly), perform "Calibration" after performing "Reset Memory".
Click here

HINT:

When DTC P057112 and/or P057113 are output together with DTC C13807F, inspect and repair the trouble areas indicated by DTC P057112 and/or P057113 first.

for P057112: Click here

for P057113: Click here

PROCEDURE

1.	PERFORM ACTIVE TEST USING GTS (STOP LAMP RELAY)

(a) Perform the stop light control relay (stop light switch assembly) Active Test, and confirm that the stop lights illuminate and turn off and the value of "Stop Light SW", "Stop Light Relay" and "STPO" changes.

Chassis > Brake/EPB > Active Test

Tester Display

Measurement Item

Control Range

Restrict Condition

Diagnostic Note

Stop Lamp Relay

Stop light control relay (Stop light switch assembly)

OFF / ON

Vehicle condition: Vehicle stopped

HINT:

To protect this Actuator and Solenoid, this test will only last 5 seconds.

With the brake pedal released, check that the stop lights illuminate and the value of Stop Light Relay on the GTS changes to ON when Stop Lamp Relay is ON

Chassis > Brake/EPB > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

Stop Light SW

Stop light switch assembly status

(STP or STP2 terminal input)

OFF / ON

OFF: Brake pedal released

ON: Brake pedal depressed

HINT:

Stop light control relay off: STP terminal status displayed.
Stop light control relay on: STP2 terminal status displayed.

Stop Light Relay

Stop light control relay (Stop light switch assembly) status

(STP terminal input)

OFF / ON

OFF: Stop light control relay (Stop light switch assembly) off and brake pedal released

ON: Stop light control relay (Stop light switch assembly) on or brake pedal depressed

HINT:

The voltage of power supplied to the stop lights is measured at the STP terminal.

STPO

Stop light control relay (Stop light switch assembly) status

(STPO terminal output)

OFF / ON

OFF: Stop light control relay (Stop light switch assembly) off (Stop light off)

ON: Stop light control relay (Stop light switch assembly) on (Stop light on)

HINT:

When STPO is ON, the stop light control relay (stop light switch assembly) turns ON and the stop lights illuminate

Chassis > Brake/EPB > Active Test

Active Test Display
Stop Lamp Relay

Data List Display
Stop Light SW
Stop Light Relay
STPO

Data List Status			Stop Light Illumination Status	Proceed to
Stop Light SW	Stop Light Relay	STPO	Stop Light Illumination Status	Proceed to
OFF	OFF	ON	Not illuminated	A
OFF	OFF	ON	Illuminated	B
ON	ON	ON	Illuminated	C

GO TO STEP 7

GO TO STEP 8

2.	CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - BRAKE ACTUATOR ASSEMBLY)

(a) Turn the ignition switch off.

*a	Front view of wire harness connector (to No. 2 Skid Control ECU (Brake Actuator 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.

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

OK:

No deformation or corrosion.

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

Standard Voltage:

Tester Connection	Condition	Specified Condition
A105-32 (STPO) - Body ground	Always	11 to 14 V

GO TO STEP 6

3.	CHECK BRAKE ACTUATOR ASSEMBLY

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

Standard Voltage:

Tester Connection	Condition	Specified Condition
A105-11 (STP) - Body ground	Stop light switch assembly on (Brake pedal depressed)	11 to 14 V

*a	Front view of wire harness connector (to No. 2 Skid Control ECU (Brake Actuator Assembly))

REPLACE BRAKE ACTUATOR ASSEMBLY

4.	CHECK FOR SHORT TO GROUND IN STP CIRCUIT

(a) Check that there is no short to ground in the STP circuit (wire harnesses, connectors, stop lights and ECUs)

OK:

There is no short to ground.

REPAIR OR REPLACE MALFUNCTIONING PART

5.	CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - BRAKE ACTUATOR ASSEMBLY)

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

OK:

The connector is securely connected.

(b) Disconnect the A40 stop light switch assembly connector.

OK:

No deformation or corrosion.

(d) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
A40-1 (OUT) - A105-11 (STP)	Always	Below 1 Ω

REPLACE STOP LIGHT SWITCH ASSEMBLY

REPAIR OR REPLACE HARNESS OR CONNECTOR

6.	CHECK STOP LIGHT SWITCH ASSEMBLY

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

OK:

The connector is securely connected.

*a	Component with harness connected (Stop Light Switch Assembly)

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

Standard Voltage:

Tester Connection	Condition	Specified Condition
A40-4 (ACC) - Body ground	Always	11 to 14 V

REPAIR OR REPLACE HARNESS OR CONNECTOR

REPLACE STOP LIGHT SWITCH ASSEMBLY

7.	CHECK BRAKE ACTUATOR ASSEMBLY

(a) Turn the ignition switch off.

*a	Front view of wire harness connector (to No. 2 Skid Control ECU (Brake Actuator 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.

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

OK:

No deformation or corrosion.

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

Standard Voltage:

Tester Connection	Condition	Specified Condition
A105-11 (STP) - Body ground	Stop light switch assembly on (Brake pedal depressed)	11 to 14 V

REPLACE BRAKE ACTUATOR ASSEMBLY

REPAIR OR REPLACE HARNESS OR CONNECTOR

8.	CHECK BRAKE ACTUATOR ASSEMBLY

(a) Turn the ignition switch off.

*a	Front view of wire harness connector (to No. 2 Skid Control ECU (Brake Actuator 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.

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

OK:

No deformation or corrosion.

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

A105-37 (STP2) - Body ground

Stop light switch assembly off

(Brake pedal released)

Below 1.5 V

REPLACE BRAKE ACTUATOR ASSEMBLY

9.	CHECK STOP LIGHT SWITCH ASSEMBLY

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

OK:

The connector is securely connected.

*a	Front view of wire harness connector (to No. 2 Skid Control ECU (Brake Actuator Assembly))

(b) Disconnect the A40 stop light switch assembly connector.

OK:

No deformation or corrosion.

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

Standard Voltage:

Tester Connection	Condition	Specified Condition
A105-37 (STP2) - Body ground	Always	Below 1.5 V

REPLACE STOP LIGHT SWITCH ASSEMBLY

10.	CHECK FOR SHORT TO +B IN STP2 CIRCUIT

(a) Check that there is no short to +B in the STP2 circuit (wire harnesses, connectors and ECUs).

OK:

No short to +B.

USE SIMULATION METHOD TO CHECK

REPAIR OR REPLACE MALFUNCTIONING PART