RM36D0EC _54 Brake _083077 BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS _0402316 ELECTRONICALLY CONTROLLED BRAKE SYSTEM(for Gasoline Model) C

BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS  ELECTRONICALLY CONTROLLED BRAKE SYSTEM(for Gasoline 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 Gasoline Model)>C13807E

DTC No. Detection Item DTC Detection Condition Trouble Area
C13807F Stop Lamp Relay Actuator Stuck Off When the voltage at the +BS terminal is between 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)

·

Stop light LED

·

Rear combination light socket and wire LH

·

Rear combination light socket and wire RH

·

Center stop light assembly

·

Center stop light cord assembly



CAUTION / NOTICE / HINT

NOTICE:
·

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

·

After replacing the skid control ECU (brake actuator assembly), perform acceleration sensor zero point calibration and store system information memorization.

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model)>UTILITY



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.

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

P057113: Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline 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.

Connect the GTS to the DLC3.


b.

Turn the ignition switch to ON.


c.

Enter the following menus: Chassis / Brake/EPB / 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) OFF / ON Vehicle condition: Vehicle stopped
HINT:

To protect this actuator and solenoid, this test will only last 5 seconds.


-
Chassis > Brake/EPB > Active Test
Tester Display
Stop Lamp Relay
50004 435 27

d.

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.
C399487C44
0.344,0.229 0.729,0.479 0.385,0.25 2.333,0.917 2.583,0.333 true 0.104,0.094 0.417,0.25 0.313,0.156 10 false *a 0.417,0.281 0.875,0.479 0.458,0.198 10 false A39 2.469,0.198 2.854,0.438 0.385,0.24 10 false STP2
*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 A39 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
A39-43 (STP2) - Body ground Brake pedal depressed 11 to 14 V



Result:
Proceed to
OK
NG



OK

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

4.INSPECT STOP LIGHT SWITCH ASSEMBLY (ACC TERMINAL VOLTAGE)
a.
C401043C22
0.375,0.667 0.813,0.927 0.438,0.26 2.021,1.688 1.708,1.063 true 0.167,0.177 0.479,0.333 0.313,0.156 10 false *a 2.021,1.719 2.406,1.906 0.385,0.188 10 false ACC 0.448,0.729 0.938,1.063 0.49,0.333 10 false A40
*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
A40-4 (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

5.CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - BRAKE ACTUATOR ASSEMBLY)
a.
C399487C45
0.344,0.229 0.729,0.479 0.385,0.25 1.125,0.917 1.375,0.333 true 0.104,0.094 0.417,0.25 0.313,0.156 10 false *a 0.406,0.281 0.865,0.479 0.458,0.198 10 false A39 1.25,0.156 1.74,0.385 0.49,0.229 10 false STPO
*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 A39 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
A39-33 (STPO) - Body ground Brake pedal depressed 11 to 14 V



Result:
Proceed to
OK
NG



OK

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 A39 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

NG

7.CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - REAR COMBINATION LIGHT SOCKET AND WIRE LH)
7.CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - REAR COMBINATION LIGHT SOCKET AND WIRE LH)
a.
C408617C01
0.323,0.438 0.719,0.667 0.396,0.229 1.552,1.396 0.885,1.417 true 0.396,0.479 0.74,0.677 0.344,0.198 10 false N18 0.167,0.167 0.479,0.365 0.313,0.198 10 false *a 0.708,1.344 1.167,1.542 0.458,0.198 10 false B
*a Front view of wire harness connector
(to Rear Combination Light Socket and Wire 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 A39 skid control ECU (brake actuator assembly) connector.


c.

Disconnect the N18 rear combination light socket and wire 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
N18-2 (B) - Body ground Brake pedal depressed 11 to 14 V



Result:
Proceed to
OK
NG



OK

NG

8.CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - REAR COMBINATION LIGHT SOCKET AND WIRE RH)
8.CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - REAR COMBINATION LIGHT SOCKET AND WIRE RH)
a.
C408617C02
0.323,0.438 0.719,0.667 0.396,0.229 1.552,1.385 0.771,1.406 true 0.385,0.469 0.74,0.698 0.354,0.229 10 false M14 0.167,0.167 0.479,0.365 0.313,0.198 10 false *a 0.594,1.323 1.052,1.521 0.458,0.198 10 false B
*a Front view of wire harness connector
(to Rear Combination Light Socket and Wire 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 A39 skid control ECU (brake actuator assembly) connector.


c.

Disconnect the N18 rear combination light socket and wire LH connector.


d.

Disconnect the M14 rear combination light socket and wire 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
M14-2 (B) - Body ground Brake pedal depressed 11 to 14 V



Result:
Proceed to
OK
NG



OK

NG

9.CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - CENTER STOP LIGHT CORD ASSEMBLY)
9.CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - CENTER STOP LIGHT CORD ASSEMBLY)
a.
C421049C01
0.344,0.302 0.74,0.563 0.396,0.26 2.792,1.813 2.542,1.813 2.542,1.813 2.375,1.229 true 0.083,0.052 0.396,0.25 0.313,0.198 10 false *a 0.479,0.344 0.792,0.542 0.313,0.198 10 false g1 2.844,1.74 3.24,1.938 0.396,0.198 10 false STP
*a Front view of wire harness connector
(to Center Stop Light Cord 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 A39 skid control ECU (brake actuator assembly) connector.


c.

Disconnect the N18 rear combination light socket and wire LH connector.


d.

Disconnect the M14 rear combination light socket and wire RH connector.


e.

Disconnect the g1 center stop light cord assembly 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
g1-2 (STP) - Body ground Brake pedal depressed 11 to 14 V



Result:
Proceed to
OK
NG



OK

NG

10.CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - REAR COMBINATION LIGHT ASSEMBLY LH)
10.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 A39 skid control ECU (brake actuator assembly) connector.


c.

Disconnect the A40 stop light switch assembly connector.


d.

Disconnect the N18 rear combination light socket and wire LH connector.


e.

Disconnect the M14 rear combination light socket and wire RH connector.


f.

Disconnect the g1 center stop light cord 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
A40-1 (OUT) - N18-2 (B) Always Below 1 Ω
A40-1 (OUT) or N18-2 (B) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR