BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS ELECTRONICALLY CONTROLLED BRAKE SYSTEM(for Gasoline Model) C13807F Stop Lamp Relay Actuator Stuck Off
DESCRIPTION
Refer to DTC C13807E.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from | Priority |
|---|---|---|---|---|---|
| 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) ·
Rear combination light assembly LH ·
Rear combination light assembly RH ·
Center stop light assembly |
Brake/EPB | B |
WIRING DIAGRAM
CAUTION / NOTICE / HINT
- NOTICE:
-
Inspect the fuses for circuits related to this system before performing the following procedure.
PROCEDURE
Check the details of the DTCs.
- Chassis > Brake/EPB > Trouble Codes
- 50001 435
- HINT:
-
When DTC P057111, P057112 and/or P057113 are output together with DTC C13807F, inspect and repair the trouble areas indicated by DTC P057111, P057112 and/or P057113 first.
- Result:
Result Proceed to C13807F and P057111, P057112, P057113 are output A C13807F is output B
A
B
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
According to the display on the GTS, perform the Active Test and check the operation of the stop lights.
- 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
- OK:
Stop lights turn on in accordance with the Active Test.
- Result:
Proceed to OK NG
OK
NG
Procedure1
Make sure that there is no looseness at the locking part and the connecting part of the connectors.
- OK:
The connector is securely connected.
Pre-procedure1
Disconnect the A40 skid control ECU (brake actuator assembly) connector.
Procedure2
Check both the connector case and the terminals for deformation and corrosion.
- OK:
No deformation or corrosion.
Procedure3
Measure the voltage according to the value(s) in the table below.
- Standard Voltage:
Tester Connection Condition Specified Condition Click Location & Routing(A40)Location & Routingewd_type=routing;type=c;code=A40
Click Connector(A40)Engine Compartment>Engine Room Main Wire / Transmission Wire>Brake Actuator Assemblyewd_type=component;type=c;code=A40;pinno=43
A40-43 (STP2) - Body ground Brake pedal depressed 11 to 14 V
- Result:
Proceed to OK NG
Post-procedure1
None
OK
NG
| *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.
Measure the voltage according to the value(s) in the table below.
- Standard Voltage:
Tester Connection Condition Specified Condition Click Location & Routing(A43)Location & Routingewd_type=routing;type=c;code=A43
Click Connector(A43)Instrument Panel>Engine Room Main Wire>Stop Light Switch Assemblyewd_type=component;type=c;code=A43;pinno=4
A43-4 (ACC) - Body ground Always 11 to 14 V
- Result:
Proceed to OK NG
OK
NG
Procedure1
Make sure that there is no looseness at the locking part and the connecting part of the connectors.
- OK:
The connector is securely connected.
Pre-procedure1
Disconnect the A40 skid control ECU (brake actuator assembly) connector.
Procedure2
Check both the connector case and the terminals for deformation and corrosion.
- OK:
No deformation or corrosion.
Procedure3
Measure the voltage according to the value(s) in the table below.
- Standard Voltage:
Tester Connection Condition Specified Condition Click Location & Routing(A40)Location & Routingewd_type=routing;type=c;code=A40
Click Connector(A40)Engine Compartment>Engine Room Main Wire / Transmission Wire>Brake Actuator Assemblyewd_type=component;type=c;code=A40;pinno=33
A40-33 (STPO) - Body ground Always 11 to 14 V
- Result:
Proceed to OK NG
Post-procedure1
None
OK
NG
Procedure1
Make sure that there is no looseness at the locking part and the connecting part of the connectors.
- OK:
The connector is securely connected.
Pre-procedure1
Disconnect the A40 skid control ECU (brake actuator assembly) connector.
Procedure2
Check both the connector case and the terminals for deformation and corrosion.
- OK:
No deformation or corrosion.
Procedure3
Check that the stop lights come on when the brake pedal is depressed.
- OK:
The stop lights illuminate.
- Result:
Proceed to OK NG
Post-procedure1
None
OK
NG
Procedure1
Make sure that there is no looseness at the locking part and the connecting part of the connectors.
- OK:
The connector is securely connected.
Pre-procedure1
Disconnect the A40 skid control ECU (brake actuator assembly) connector.
Disconnect the L15 rear combination light assembly LH connector.
Procedure2
Check both the connector case and the terminals for deformation and corrosion.
- OK:
No deformation or corrosion.
Procedure3
Measure the voltage according to the value(s) in the table below.
- Standard Voltage:
Tester Connection Condition Specified Condition Click Location & Routing(L15)Location & Routingewd_type=routing;type=c;code=L15
Click Connector(L15)Body>No. 2 Floor Wire>Rear Combination Light Assembly LHewd_type=component;type=c;code=L15;pinno=2
L15-2 (STP) - Body ground Brake pedal depressed 11 to 14 V
- Result:
Proceed to OK NG
Post-procedure1
None
OK
Refer to "Left or right stop light does not illuminate" of problem symptoms table.
NG
Procedure1
Make sure that there is no looseness at the locking part and the connecting part of the connectors.
- OK:
The connector is securely connected.
Pre-procedure1
Disconnect the A40 skid control ECU (brake actuator assembly) connector.
Disconnect the L15 rear combination light assembly LH connector.
Disconnect the K15 rear combination light assembly RH connector.
Procedure2
Check both the connector case and the terminals for deformation and corrosion.
- OK:
No deformation or corrosion.
Procedure3
Measure the voltage according to the value(s) in the table below.
- Standard Voltage:
Tester Connection Condition Specified Condition Click Location & Routing(K15)Location & Routingewd_type=routing;type=c;code=K15
Click Connector(K15)Body>Floor Wire>Rear Combination Light Assembly RHewd_type=component;type=c;code=K15;pinno=2
K15-2 (STP) - Body ground Brake pedal depressed 11 to 14 V
- Result:
Proceed to OK NG
Post-procedure1
None
OK
Refer to "Left or right stop light does not illuminate" of problem symptoms table.
NG
Procedure1
Make sure that there is no looseness at the locking part and the connecting part of the connectors.
- OK:
The connector is securely connected.
Pre-procedure1
Disconnect the A40 skid control ECU (brake actuator assembly) connector.
Disconnect the L15 rear combination light assembly LH connector.
Disconnect the K15 rear combination light assembly RH connector.
Disconnect the g1 center stop light assembly connector.
Procedure2
Check both the connector case and the terminals for deformation and corrosion.
- OK:
No deformation or corrosion.
Procedure3
Measure the voltage according to the value(s) in the table below.
- Standard Voltage:
Tester Connection Condition Specified Condition Click Location & Routing(g1)Location & Routingewd_type=routing;type=c;code=g1
Click Connector(g1)Body>Cord Assembly>Center Stop Light Assemblyewd_type=component;type=c;code=g1;pinno=2
g1-2 (STP) - Body ground Brake pedal depressed 11 to 14 V
- Result:
Proceed to OK NG
Post-procedure1
None
OK
Refer to "High mounted stop light does not illuminate" of problem symptoms table.
NG
Procedure1
Make sure that there is no looseness at the locking part and the connecting part of the connectors.
- OK:
The connector is securely connected.
Pre-procedure1
Disconnect the A40 skid control ECU (brake actuator assembly) connector.
Disconnect the L15 rear combination light assembly LH connector.
Disconnect the K15 rear combination light assembly RH connector.
Disconnect the g1 center stop light assembly connector.
Disconnect the A43 stop light switch assembly connector.
Procedure2
Check both the connector case and the terminals for deformation and corrosion.
- OK:
No deformation or corrosion.
Procedure3
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection Condition Specified Condition Click Location & Routing(A43,L15)Location & Routingewd_type=routing;type=c,c;code=A43,L15
Click Connector(A43)Instrument Panel>Engine Room Main Wire>Stop Light Switch Assemblyewd_type=component;type=c;code=A43;pinno=1
Click Connector(L15)Body>No. 2 Floor Wire>Rear Combination Light Assembly LHewd_type=component;type=c;code=L15;pinno=2
A43-1 (OUT) - L15-2 (STP) Always Below 1 Ω A43-1 (OUT) or L15-2 (STP) - Body ground Always 10 kΩ or higher
- Result:
Proceed to OK NG
Post-procedure1
None
OK
NG