Mazda C1194 ABS Outlet Valve Coil LF Circuit Failure

Description

OBD-II Trouble Code Description for C1194 Mazda

ABS outlet valve coil LF circuit failure

OBD-II Trouble Code Description for C1194 Mazda

DSC continuous operation fault

What does this mean?

OBD2 Code C1194 Mazda 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 Mazda
? 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 MazdaON

ACTION Mazda

1
VERIFY FREEZE FRAME DATA HAS BEEN RECORDE MazdaD
???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 MazdaY
???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 MazdaON IS IN ABS WHEEL SPEED SIGNALS OR ELSEWHERE
???Access the following ABS wheel speed sensor (DSC) related PIDs using the M-MDS.
¨D??LF_WSPD
¨D??LR_WSPD
¨D??RF_WSPD
¨D??RR_WSPD
???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 MazdaON IS IN COMBI MazdaNED SENSOR SIGNALS OR ELSEWHERE
???Access the following combined sensors (DSC) related PIDs using the M-MDS.
¨D??YAW_RATE
¨D??LAT_ACC
???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 MazdaON IS IN STEERING ANGLE SIGNAL OR ELSEWHERE
???Access the following steering angle sensor (DSC) related PID using the M-MDS.
¨D??SWA_POS
???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 Mazda TROUBLES MazdaHOOTING IS COMPL MazdaETED
???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 MazdaDURE
???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 Mazda:

2013 Mazda MX-5,2013 Mazda MX-5,2013 Mazda CX-9,2013 Mazda CX-5,2013 Mazda 6,2013 Mazda 5,2013 Mazda 3,2012 Mazda MX-5,2012 Mazda BT-50,2012 Mazda 3,2011 Mazda 6,2011 Mazda 5,2011 Mazda 2,2010 Mazda 3,2009 Mazda 6,2009 Mazda 2 ,2008 Mazda 6,2008 Mazda 6,2008 Mazda 5,2008 Mazda 2,2007 Mazda CX-9,2007 Mazda CX-7,2006 Mazda MX5,2006 Mazda 6,2006 Mazda 3,2005 Mazda Atenza,2004 Mazda 6,2004 Mazda 5,2003 Mazda 2,2002 Mazda 6

 

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