Code No. C1751: FCM ECU failure
DIAGNOSTIC FUNCTION
If the laser radar detects an internal failure of the ECU, diagnosis code No. C1751 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.
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(1)Erase the set diagnosis code.
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(2)Turn the ignition switch to the "LOCK" (OFF) position.
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(4)Check if the diagnosis code is set.
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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
).