RM38T0EC _54 Brake _112606 BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS _0608077 ELECTRONICALLY CONTROLLED BRAKE SYSTEM(for HEV Model) C

BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS  ELECTRONICALLY CONTROLLED BRAKE SYSTEM(for HEV Model)  C13807F  Stop Lamp Relay Actuator Stuck Off  


DESCRIPTION

Refer to DTC C13807E.

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HEV Model)>C13807E

DTC No. Detection Item DTC Detection Condition Trouble Area MIL DTC Output from Note
C13807F Stop Lamp Relay Actuator Stuck Off When the voltage at the +BS terminal is 10 V or more and the stop light control relay (stop light switch assembly) drive output (STPO) is on, a signal is not input to the STP2 terminal for 5 seconds or more.
·

Wire harness or connector

·

Stop light switch assembly

·

Skid control ECU (brake actuator assembly)

·

Rear combination light assembly LH

·

Rear combination light assembly RH

·

Center stop light set


Does not come on Brake/EPB Output ECU: Skid control ECU (brake actuator assembly)

CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following procedure.


HINT:

When DTC C117B62, P057112 and/or P057113 are output together with DTC C13807F, inspect and repair the trouble areas indicated by DTC C117B62, P057112 and/or P057113 first.

C117B62: Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HEV Model)>C117B62

P057112: Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HEV Model)>P057112

P057113: Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HEV Model)>P057113


PROCEDURE

1.CHECK STOP LIGHT OPERATION
a.

Check that the stop lights come on when the brake pedal is depressed.

OK:

The stop lights illuminate.



Result:
Proceed to
OK
NG



OK

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

NG

6.CHECK STOP LIGHT OPERATION
2.PERFORM ACTIVE TEST USING GTS (STOP LAMP RELAY)
a.

Operate the GTS to perform the Active Test.

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) Relay 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 > Active Test
Tester Display
Stop Lamp Relay
50004 435 27

b.

According to the display on the GTS, perform the Active Test and check the operation of the stop lights.

OK:

Stop lights turn on in accordance with the Active Test.



Result:
Proceed to
OK
NG



OK

3.CHECK HARNESS AND CONNECTOR (STOP LIGHT SIGNAL INPUT CIRCUIT)

NG

4.INSPECT STOP LIGHT SWITCH ASSEMBLY (ACC TERMINAL VOLTAGE)
3.CHECK HARNESS AND CONNECTOR (STOP LIGHT SIGNAL INPUT CIRCUIT)
a.
C498194C11
1.5,0.115 1.938,0.406 0.438,0.292 2.708,0.385 2.313,0.927 true 1.563,0.167 2.177,0.365 0.615,0.198 10 false A151 2.75,0.271 3.167,0.469 0.417,0.198 10 false STP2 0.156,0.115 0.469,0.313 0.313,0.198 10 false *a
*a Front view of wire harness connector
(to skid control ECU (Brake Actuator Assembly))


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 A151 skid control ECU (brake actuator assembly) connector.


c.

Check both the connector case and the terminals for deformation and corrosion.

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
A151-43 (STP2) - Body ground Brake pedal depressed 11 to 14 V



Result:
Proceed to
OK
NG



OK

REPLACE BRAKE ACTUATOR ASSEMBLY

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>BRAKE ACTUATOR (for HEV Model)>REMOVAL


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

4.INSPECT STOP LIGHT SWITCH ASSEMBLY (ACC TERMINAL VOLTAGE)
a.
C510497C01
0.448,0.448 0.781,0.698 0.333,0.25 2.438,1.771 1.74,1.021 true 0.188,0.177 0.5,0.333 0.313,0.156 10 false *a 0.479,0.479 0.938,0.677 0.458,0.198 10 false A53 2.49,1.698 2.948,1.896 0.458,0.198 10 false ACC
*a Component with harness connected
(Stop Light Switch Assembly)


Make sure that there is no looseness at the locking part and the connecting part of the connector.

OK:

The connector is securely connected.



b.

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

Standard Voltage:
Tester Connection Condition Specified Condition
A53-4 (ACC) - Body ground Always 11 to 14 V



Result:
Proceed to
OK
NG



OK

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

NG

REPLACE STOP LIGHT SWITCH ASSEMBLY

Click hereVehicle Exterior>LIGHTING (EXT)>STOP LIGHT SWITCH>REMOVAL


5.CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - BRAKE ACTUATOR ASSEMBLY)
a.
C498194C12
1.5,0.115 1.938,0.406 0.438,0.292 2.302,1.125 2.031,1.906 true 1.563,0.167 2.177,0.365 0.615,0.198 10 false A151 1.594,1.927 2.01,2.125 0.417,0.198 10 false STPO 0.146,0.146 0.458,0.344 0.313,0.198 10 false *a
*a Front view of wire harness connector
(to skid control ECU (Brake Actuator Assembly))


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 A151 skid control ECU (brake actuator assembly) connector.


c.

Check both the connector case and the terminals for deformation and corrosion.

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
A151-27 (STPO) - Body ground Always 11 to 14 V



Result:
Proceed to
OK
NG



OK

REPLACE BRAKE ACTUATOR ASSEMBLY

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>BRAKE ACTUATOR (for HEV Model)>REMOVAL


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

6.CHECK STOP LIGHT OPERATION
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 A151 skid control ECU (brake actuator assembly) connector.


c.

Check both the connector case and the terminals for deformation and corrosion.

OK:

No deformation or corrosion.



d.

Check that the stop lights come on when the brake pedal is depressed.

OK:

The stop lights illuminate.



Result:
Proceed to
OK
NG



OK

REPLACE BRAKE ACTUATOR ASSEMBLY

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>BRAKE ACTUATOR (for HEV Model)>REMOVAL


NG

7.CHECK VEHICLE TYPE
7.CHECK VEHICLE TYPE
a.

Check the vehicle specification.


Result:
Result Proceed to
for LED Headlight A
for Halogen Headlight B



A

8.CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - REAR COMBINATION LIGHT ASSEMBLY LH)

B

12.CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - REAR COMBINATION LIGHT ASSEMBLY LH)
8.CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - REAR COMBINATION LIGHT ASSEMBLY LH)
a.
C502607C01
0.406,0.99 0.844,1.271 0.438,0.281 2.396,1.781 1.927,1.24 true 0.188,0.177 0.5,0.333 0.313,0.156 10 false *a 0.531,1.042 0.99,1.24 0.458,0.198 10 false S2 2.427,1.719 2.594,1.938 0.167,0.219 10 false B
*a Front view of wire harness connector
(to Rear Combination Light Assembly LH)


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 A151 skid control ECU (brake actuator assembly) connector.


c.

Disconnect the S2 rear combination light assembly LH connector.


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
S2-3 (B) - Body ground Brake pedal depressed 11 to 14 V



Result:
Proceed to
OK
NG



OK

GO TO LIGHTING SYSTEM (REAR COMBINATION LIGHT ASSEMBLY LH (STOP LIGHT CIRCUIT))

Refer to "Left or right stop light does not illuminate" of problem symptoms table.

Click hereVehicle Exterior>LIGHTING (EXT)>LIGHTING SYSTEM>PROBLEM SYMPTOMS TABLE


NG

9.CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - REAR COMBINATION LIGHT ASSEMBLY RH)
9.CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - REAR COMBINATION LIGHT ASSEMBLY RH)
a.
C502607C02
0.323,0.969 0.76,1.25 0.438,0.281 2.5,1.75 1.927,1.24 true 0.188,0.177 0.5,0.333 0.313,0.156 10 false *a 0.479,1.021 0.938,1.219 0.458,0.198 10 false S5 2.552,1.688 3.01,1.885 0.458,0.198 10 false B
*a Front view of wire harness connector
(to Rear Combination Light Assembly RH)


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 A151 skid control ECU (brake actuator assembly) connector.


c.

Disconnect the S2 rear combination light assembly LH connector.


d.

Disconnect the S5 rear combination light assembly RH connector.


e.

Check both the connector case and the terminals for deformation and corrosion.

OK:

No deformation or corrosion.



f.

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

Standard Voltage:
Tester Connection Condition Specified Condition
S5-3 (B) - Body ground Brake pedal depressed 11 to 14 V



Result:
Proceed to
OK
NG



OK

GO TO LIGHTING SYSTEM (REAR COMBINATION LIGHT ASSEMBLY RH (STOP LIGHT CIRCUIT))

Refer to "Left or right stop light does not illuminate" of problem symptoms table.

Click hereVehicle Exterior>LIGHTING (EXT)>LIGHTING SYSTEM>PROBLEM SYMPTOMS TABLE


NG

10.CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - CENTER STOP LIGHT SET)
10.CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - CENTER STOP LIGHT SET)
a.
C401718C19
0.49,0.917 0.979,1.167 0.49,0.25 1.26,1.667 1.615,1.167 true 0.146,0.104 0.458,0.26 0.313,0.156 10 false *a 0.604,0.958 1.063,1.156 0.458,0.198 10 false U46 1.125,1.625 1.396,1.844 0.271,0.219 10 false B
*a Front view of wire harness connector
(to Center Stop Light Set)


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 A151 skid control ECU (brake actuator assembly) connector.


c.

Disconnect the S2 rear combination light assembly LH connector.


d.

Disconnect the S5 rear combination light assembly RH connector.


e.

Disconnect the U46 center stop light set connector.


f.

Check both the connector case and the terminals for deformation and corrosion.

OK:

No deformation or corrosion.



g.

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

Standard Voltage:
Tester Connection Condition Specified Condition
U46-1 (B) - Body ground Brake pedal depressed 11 to 14 V



Result:
Proceed to
OK
NG



OK

REPLACE CENTER STOP LIGHT SET

Click hereVehicle Exterior>LIGHTING (EXT)>HIGH MOUNTED STOP LIGHT ASSEMBLY>REMOVAL


NG

11.CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - REAR COMBINATION LIGHT ASSEMBLY LH)
11.CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - REAR COMBINATION LIGHT ASSEMBLY LH)
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 A151 skid control ECU (brake actuator assembly) connector.


c.

Disconnect the S2 rear combination light assembly LH connector.


d.

Disconnect the S5 rear combination light assembly RH connector.


e.

Disconnect the U46 center stop light set connector.


f.

Disconnect the A53 stop light switch assembly connector.


g.

Check both the connector case and the terminals for deformation and corrosion.

OK:

No deformation or corrosion.



h.

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

Standard Resistance:
Tester Connection Condition Specified Condition
A53-1 (OUT) - S2-3 (B) Always Below 1 Ω
A53-1 (OUT) or S2-3 (B) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

REPLACE STOP LIGHT SWITCH ASSEMBLY

Click hereVehicle Exterior>LIGHTING (EXT)>STOP LIGHT SWITCH>REMOVAL


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

12.CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - REAR COMBINATION LIGHT ASSEMBLY LH)
a.
C510399C01
0.406,0.99 0.844,1.271 0.438,0.281 2.438,1.802 1.896,1.24 true 0.188,0.177 0.5,0.333 0.313,0.156 10 false *a 0.531,1.031 0.99,1.229 0.458,0.198 10 false S8 2.51,1.74 2.677,1.958 0.167,0.219 10 false B
*a Front view of wire harness connector
(to Rear Combination Light Assembly LH)


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 A151 skid control ECU (brake actuator assembly) connector.


c.

Disconnect the S8 rear combination light assembly LH connector.


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
S8-3 (B) - Body ground Brake pedal depressed 11 to 14 V



Result:
Proceed to
OK
NG



OK

GO TO LIGHTING SYSTEM (REAR COMBINATION LIGHT ASSEMBLY LH (STOP LIGHT CIRCUIT))

Refer to "Left or right stop light does not illuminate" of problem symptoms table.

Click hereVehicle Exterior>LIGHTING (EXT)>LIGHTING SYSTEM>PROBLEM SYMPTOMS TABLE


NG

13.CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - REAR COMBINATION LIGHT ASSEMBLY RH)
13.CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - REAR COMBINATION LIGHT ASSEMBLY RH)
a.
C510399C02
0.323,0.969 0.76,1.25 0.438,0.281 2.448,1.76 1.906,1.25 true 0.188,0.177 0.5,0.333 0.313,0.156 10 false *a 0.427,1.01 0.885,1.208 0.458,0.198 10 false S10 2.521,1.677 2.979,1.875 0.458,0.198 10 false B
*a Front view of wire harness connector
(to Rear Combination Light Assembly RH)


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 A151 skid control ECU (brake actuator assembly) connector.


c.

Disconnect the S8 rear combination light assembly LH connector.


d.

Disconnect the S10 rear combination light assembly RH connector.


e.

Check both the connector case and the terminals for deformation and corrosion.

OK:

No deformation or corrosion.



f.

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

Standard Voltage:
Tester Connection Condition Specified Condition
S10-3 (B) - Body ground Brake pedal depressed 11 to 14 V



Result:
Proceed to
OK
NG



OK

GO TO LIGHTING SYSTEM (REAR COMBINATION LIGHT ASSEMBLY RH (STOP LIGHT CIRCUIT))

Refer to "Left or right stop light does not illuminate" of problem symptoms table.

Click hereVehicle Exterior>LIGHTING (EXT)>LIGHTING SYSTEM>PROBLEM SYMPTOMS TABLE


NG

14.CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - CENTER STOP LIGHT SET)
14.CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - CENTER STOP LIGHT SET)
a.
C401718C19
0.49,0.917 0.979,1.167 0.49,0.25 1.26,1.667 1.615,1.167 true 0.146,0.104 0.458,0.26 0.313,0.156 10 false *a 0.604,0.958 1.063,1.156 0.458,0.198 10 false U46 1.125,1.625 1.396,1.844 0.271,0.219 10 false B
*a Front view of wire harness connector
(to Center Stop Light Set)


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 A151 skid control ECU (brake actuator assembly) connector.


c.

Disconnect the S8 rear combination light assembly LH connector.


d.

Disconnect the S10 rear combination light assembly RH connector.


e.

Disconnect the U46 center stop light set connector.


f.

Check both the connector case and the terminals for deformation and corrosion.

OK:

No deformation or corrosion.



g.

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

Standard Voltage:
Tester Connection Condition Specified Condition
U46-1 (B) - Body ground Brake pedal depressed 11 to 14 V



Result:
Proceed to
OK
NG



OK

REPLACE CENTER STOP LIGHT SET

Click hereVehicle Exterior>LIGHTING (EXT)>HIGH MOUNTED STOP LIGHT ASSEMBLY>REMOVAL


NG

15.CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - REAR COMBINATION LIGHT ASSEMBLY LH)
15.CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - REAR COMBINATION LIGHT ASSEMBLY LH)
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 A151 skid control ECU (brake actuator assembly) connector.


c.

Disconnect the S8 rear combination light assembly LH connector.


d.

Disconnect the S10 rear combination light assembly RH connector.


e.

Disconnect the U46 center stop light set connector.


f.

Disconnect the A53 stop light switch assembly connector.


g.

Check both the connector case and the terminals for deformation and corrosion.

OK:

No deformation or corrosion.



h.

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

Standard Resistance:
Tester Connection Condition Specified Condition
A53-1 (OUT) - S8-3 (B) Always Below 1 Ω
A53-1 (OUT) or S8-3 (B) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

REPLACE STOP LIGHT SWITCH ASSEMBLY

Click hereVehicle Exterior>LIGHTING (EXT)>STOP LIGHT SWITCH>REMOVAL


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR