Description
OBD-II Trouble Code Description for C1194 Toyota
ABS outlet valve coil LF circuit failure
Toyota C1194 ABS Outlet Valve Coil LF Circuit Failure
OBD-II Trouble Code Description for C1194 Toyota
DSC continuous operation fault
What does this mean?
OBD2 Code C1194 Toyota definition:
? The PCM receives DSC operation signals from DSC CM while the engine switch is turned to the ON position. If the PCM receives DSC operation signals for longer than the specified time, the PCM determines that the DSC is operating continuously. Note ? The DSC CM stops operating itself for protection heat to the solenoid and/or motor (built in DSC HU) if the DSC operates for a long time.
Causes
Possible causes of OBD code C1194 Toyota
? Communication error between DSC CM and PCM ? DSC CM does not determine vehicle conditions correctly. ¨D DSC CM malfunction ¨D DSC related sensor malfunction ? The vehicle runs under the road conditions in which DSC operates for a long time. ? PCM malfunction
Possible Solutions
Diagnostic procedure
|
STEP |
INSPECTI ToyotaON |
ACTION Toyota |
|
|---|---|---|---|
|
1
|
VERIFY FREEZE FRAME DATA HAS BEEN RECORDE ToyotaD
???Has the FREEZE FRAME DATA been recorded?
|
Yes
|
Go to the next step.
|
|
No
|
Record the FREEZE FRAME DATA on the repair order, then go to the next step.
|
||
|
2
|
VERIFY RELATED REPAIR INFORMATION AVAILABILIT ToyotaY
???Verify related service repair information availability.
???Is any related repair information available?
|
Yes
|
Perform repair or diagnosis according to the available repair information.
If the vehicle is not repaired, go to the next step.
|
|
No
|
Go to the next step.
|
||
|
3
|
VERIFY DSC CM DTC IS RETRIEVED
???Retrieve the DSC CM DTC using the M-MDS.
???Is any DSC CM DTC retrieved?
|
Yes
|
Go to the applicable DTC troubleshooting procedure.
|
|
No
|
Go to the next step.
|
||
|
4
|
INSPECT IF MALFUNCTI ToyotaON IS IN ABS WHEEL SPEED SIGNALS OR ELSEWHERE
???Access the following ABS wheel speed sensor (DSC) related PIDs using the M-MDS.
???Drive the vehicle on a straight and flat road.
???Are there almost the same as the PIDs value of four wheels?
|
Yes
|
Go to the next step.
|
|
No
|
Inspect the ABS wheel speed sensor, sensor rotor and related wiring harnesses.
Service as necessary.
Then go to Step 7.
|
||
|
5
|
INSPECT IF MALFUNCTI ToyotaON IS IN COMBI ToyotaNED SENSOR SIGNALS OR ELSEWHERE
???Access the following combined sensors (DSC) related PIDs using the M-MDS.
???Drive the vehicle on a straight and flat road.
???Are the PIDs values of each combined sensor signal correct?
|
Yes
|
Go to the next step.
|
|
No
|
Inspect the combined sensor and related wiring harnesses.
Service as necessary.
Then go to Step 7.
|
||
|
6
|
INSPECT WHERE MALFUNCTI ToyotaON IS IN STEERING ANGLE SIGNAL OR ELSEWHERE
???Access the following steering angle sensor (DSC) related PID using the M-MDS.
???Drive the vehicle on a straight and flat road.
???Is the PID value correct?
|
Yes
|
Go to the next step.
|
|
No
|
Inspect the steering angle sensor and related wiring harnesses.
Service if necessary.
Then go to the next step.
|
||
|
7
|
VERIFY THAT DTC C1194 Toyota TROUBLES ToyotaHOOTING IS COMPL ToyotaETED
???Make sure to reconnect all disconnected connectors.
???Clear the DTC from the PCM memory using the M-MDS.
???Run the vehicle under the FREEZE FRAME DATA stored condition.
???Is the same DTC present?
|
Yes
|
Replace the PCM, then go to the next step.
|
|
No
|
Go to the next step.
|
||
|
8
|
VERIFY AFTER REPAIR PROCE ToyotaDURE
???Perform the after repair procedure.
???Are any DTCs present?
|
Yes
|
Go to the applicable DTC inspection.
|
|
No
|
DTC troubleshooting completed.
|
||
The OBD2 Code Information Be Applicable For Toyota:
2013 Toyota Auris,2012 Toyota Yaris,2012 Toyota Verso-S,2012 Toyota Tacoma,2012 Toyota Prius V,2012 Toyota Prius C,2012 Toyota Prius,2012 Toyota Hilux,2012 Toyota Camry,2012 Toyota Avensis,2012 Toyota Aurion,2012 Toyota 86 GTS,2011 Toyota Tacoma,2011 Toyota Sienna,2011 Toyota Sequoia,2011 Toyota RAV4,2011 Toyota Matrix,2011 Toyota Highlander,2011 Toyota Corolla,2011 Toyota Avalon,2011 Toyota Auris HSD,2010 Toyota iQ3,2010 Toyota Yaris,2010 Toyota Verso,2010 Toyota Tundra,2010 Toyota Prius,2010 Toyota Land Cruiser,2010 Toyota Corolla,2010 Toyota Camry,2010 Toyota Auris,2010 Toyota 4Runner,2009 Toyota iQ,2009 Toyota Yaris,2009 Toyota Venza,2009 Toyota RAV4,2009 Toyota Matrix,2009 Toyota Hilux,2009 Toyota Aygo,2009 Toyota Avensis,2009 Toyota Aurion,2009 Toyota 4Runner,2008 Toyota Sequoia,2007 Toyota Tundra,2007 Toyota Avensis,2006 Toyota RAV4,2006 Toyota Aurion,2005 Toyota Corolla Sedan,2004 Toyota Prius,2004 Toyota Corolla,2003 Toyota RAV4,2003 Toyota Land Cruiser,2003 Toyota Celica
Note:
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