Code No. C1749: Too long FCM activation
DIAGNOSTIC FUNCTION
If the laser radar detects a continuous operation of the FCM-LS for four seconds or more, diagnosis code No. C1749 is set.
CHECK CONDITION
When all the following conditions are satisfied
- After the ignition switch is turned ON, two or more seconds passed.
- After the engine has started
PROBABLE CAUSES
- Malfunction of the laser radar
DIAGNOSIS PROCEDURE
Check whether the diagnosis code is set again.
Check again if the diagnosis code is set in the laser radar.
|
(1)Erase the set diagnosis code.
|
|
(2)Turn the ignition switch to the "LOCK" (OFF) position.
|
|
(4)Check if the diagnosis code is set.
|
Q.
Is the diagnosis code set?
Replace the laser radar (Refer to
).
The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/inspection Service Points - How to Cope with Intermittent Malfunction
).