CAR OBD CODES
OBD/DTC Search, e.g.C1194
CAR OBD CODES C1194
C1194 OBD Code Definition:
C1194 ABS Outlet Valve Coil LF Circuit Failure
C1194 OBD Code Description:
OBD Code C1194 DSC continuous operation fault What’s mean?
OBD2 Code C1194 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.
Possible Causes
Possible causes of C1194
? 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 |
INSPECTION |
ACTION |
|
|---|---|---|---|
| 1 | VERIFY FREEZE frame DATA HAS BEEN RECORDED ???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 AVAILABILITY ???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 MALFUNCTION IS IN ABS WHEEL SPEED SIGNALS OR ELSEWHERe
???Access the following ABS wheel speed sensor (DSC) related PIDs using the M-MDS.
|
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 MALFUNCTION IS IN COMBINED SENSOR SIGNALS OR ELSEWHERe
???Access the following combined sensors (DSC) related PIDs using the M-MDS.
|
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 MALFUNCTION IS IN STEERING ANGLE SIGNAL OR ELSEWHERe
???Access the following steering angle sensor (DSC) related PID using the M-MDS.
|
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 TROUBLESHOOTING IS COMPLETED ???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 PROCEDURE ???Perform the after repair procedure. ???Are any DTCs present? | Yes | Go to the applicable DTC inspection. |
| No | DTC troubleshooting completed. | ||
Note: The information on the C1194 error code is purely informative, if you need more useful information, please consult your technician.
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