2018 / ECLIPSE CROSS / EC - Workshop Manual
23 -AUTOMATIC TRANSMISSION > 23A-CVT > TROUBLESHOOTING<S-AWC><S-AWC> > DIAGNOSIS CODE PROCEDURES > CODE NO. C1631 ETACS CAN DATA (NOT RECEIVED)
Code No. C1631: ETACS CAN Data (not received)
 
 
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 CAN bus lines are normal.
 
 
OPERATION
AWC-ECU communicates with the ETACS-ECU via the CAN bus lines.
 
 
DIAGNOSIS CODE SET CONDITIONS
This diagnosis code is set when the CAN signal of the ETACS-ECU cannot be received.
 
 
PROBABLE CAUSES
  • Malfunction of the CAN bus line
  • Damaged connectors (ETACS-ECU)
  • ETACS-ECU malfunction
  • Malfunction of AWC-ECU

 
 
DIAGNOSIS PROCEDURE
STEP 1. M.U.T.-IIISE CAN bus diagnostics.
Use M.U.T.-IIISE to perform the CAN bus diagnosis.
Is the check result normal?
Go to Step 2.
Repair the CAN bus lines (Refer to GROUP 54C - Troubleshooting ).
 
STEP 2. M.U.T.-IIISE other system diagnosis code.
Check the ETACS diagnosis code (Refer to GROUP 54A - Troubleshooting ).
Is the diagnosis code set?
Perform the relevant troubleshooting.
Go to Step 3.
 
STEP 3. Check whether the diagnosis code is set again.
Is diagnosis code No.C1631 set?
Replace the AWC-ECU (Refer to ).
Intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent Malfunction ).