Code No.C1751: ACC/FCM ECU failure
Code No.C2296: CAN buffer error
Code No.C2297: CAN transmit error
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- When the FCM-ECU is replaced, calibrate the radar (refer to
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OPERATION
FCM-ECU monitors the malfunction in the ECU.
DIAGNOSIS CODE SET CONDITION
This diagnosis code is set when the abnormality below is detected:
- A malfunction is detected inside the FCM-ECU.
PROBABLE CAUSES
- Malfunction of the FCM-ECU
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STEP 1. M.U.T.-III CAN bus diagnostics.
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Use M.U.T.-III to diagnose the CAN bus lines.
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Q.
Is the check result normal?
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 Go to Step 2.
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 Repair the CAN bus lines (Refer to GROUP 54C - Troubleshooting ). On completion, go to Step 2.
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STEP 2. Check whether the diagnosis code is set again.
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Check again if the diagnosis code is set in the FCM-ECU.
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(1)Erase the diagnosis code.
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(2)Turn the ignition switch from "LOCK" (OFF) position to "ON" position.
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(4)On completion, check that the diagnosis code is set again.
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Q.
Is diagnosis code No. C1394 set?
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Replace the FCM-ECU (Refer to ).
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This diagnosis is complete.
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