Code No.C1752: ACC/FCM radar TEMP.out of range
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- When the FCM-ECU is replaced, calibrate the radar (refer to
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OPERATION
The FCM-ECU monitors temperature at the radar.
DIAGNOSIS CODE SET CONDITION
This diagnosis code is set when the abnormality below is detected:
- The temperature which the FCM-ECU detects at the radar is below -40°C or over 125°C.
PROBABLE CAUSES
- Severe driving condition (e.g. driving under high load)
- Malfunction of the FCM-ECU
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STEP 1. Check the radar temperature (high or low).
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(1)Turn the ignition switch to "LOCK" (OFF) position and then wait for a while so that the radar at the FCM-ECU remains at appropriate temperature.
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(2)Erase the diagnosis code.
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(3)Check if the diagnosis code is set.
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Q.
Is diagnosis code No.C1752 set?
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 Go to Step 2.
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 This diagnosis is complete (Protection is deactivated).
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STEP 2. M.U.T.-III data list
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Check the following data list (Refer to ).
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- Item No.02: RADAR temperature
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Q.
Is the check result normal?
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Intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent Malfunction ).
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Replace the FCM-ECU (Refer to ).
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