Code No. C1707:
Implausible coding data
caution |
If a diagnosis code is set,
be sure to diagnose the CAN bus line.
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DIAGNOSTIC FUNCTION
If the laser radar receives incorrect coding data from the ETACS-ECU, diagnosis code No.
C1707 is set.
CHECK CONDITION
When all the following conditions are satisfied.
- The ignition switch is ON.
- The ETACS-ECU has been coded.
PROBABLE CAUSES
- Malfunction of the CAN bus line
- Implausible ETACS-ECU coding data
- Malfunction or incorrect installation of the ETACS-ECU
- Malfunction of the laser radar
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STEP 1. M.U.T.-III CAN bus diagnosis.
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Use the 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 line (Refer to GROUP 54C - Troubleshooting ).
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STEP 2. ETACS-ECU coding data check.
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Check the following ETACS-ECU coding data. (Refer to GROUP 00 - Coding Reference
Table )
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Q.
Is the check result normal?
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Go to Step 3.
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Replace the ETACS-ECU.
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STEP 3. Check whether the diagnosis code is set again.
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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)Set the ignition switch from the "LOCK" (OFF) position to the ON position.
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(3)Check if the diagnosis code is set.
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Q.
Is the diagnosis code set?
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Replace the laser radar (Refer to ).
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The trouble can be an intermittent malfunction (Refer to GROUP 00 - How
to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent
Malfunction).
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