Code No. C2299
Implausible coding data
caution |
- If there is any problem in the
CAN bus lines, an incorrect diagnosis code may be set. Prior to this diagnosis, diagnose the
CAN bus lines.
- Whenever the ECU is replaced, ensure that the communication circuit is normal.
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OPERATION
FCM/LDW/AHB-ECU receives the vehicle information stored in ETACS-ECU
via CAN bus lines.
DIAGNOSIS CODE SET CONDITION
This diagnosis code is set when the abnormality below is detected:
- The vehicle information received from ETACS-ECU is not correct.
PROBABLE CAUSES
- Malfunction of the CAN bus line
- Implausible ETACS-ECU coding data
- Malfunction of the ETACS-ECU
- Malfunction of the FCM/LDW/AHB-ECU
DIAGNOSIS PROCEDURE
STEP 1. M.U.T.-III CAN bus diagnostics.
Use M.U.T.-III to perform the CAN bus diagnosis.
Q.
Is the check result normal?
Go to Step 2
Repair the CAN bus lines (Refer to GROUP 54C - Troubleshooting ).
STEP 2. Check the M.U.T.-III other system diagnosis code.
Check the ETACS diagnosis code (Refer to 54A - Troubleshooting).
Q.
Is the diagnosis code set?
YES <diagnosis code B1761 or B222C is set> : Perform chassis number writing and coding. Refer to the "M.U.T.-III operation
manual" and perform coding.
YES <any other diagnosis code is set> : Perform the relevant troubleshooting (Refer to 54A - Diagnosis code chart ).
Go to Step 3
STEP 3. Check whether the diagnosis code is set again.
Check again if the diagnosis code is set in the FCM/LDW/AHB-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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(3)Check if diagnosis code is set.
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Q.
Is the diagnosis code set?
Replace the FCM/LDW/AHB-ECU (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).