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DTC B1761: Chassis number not recorded
 
 
 
 
TROUBLE JUDGMENT
If the chassis number is not written to the ETACS-ECU, the ETACS-ECU sets DTC B1761.
 
 
TROUBLESHOOTING HINTS
  • Chassis number not recorded
  • The ETACS-ECU may be defective.
 
 
DIAGNOSIS
Recheck for diagnostic trouble code.
Check again if the DTC is set to the ETACS-ECU.
(1)
cautionTo prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool MB991958.
Connect scan tool MB991958. Refer to "How to connect the Scan Tool (M.U.T.-III) ."
(2) Turn the ignition switch to the "ON" position.
(3) Erase the DTC.
(4) Turn the ignition switch from "LOCK" (OFF) position to "ON" position.
(5) Check if DTC is set.
(6) Turn the ignition switch to the "LOCK" (OFF) position.
Is the DTC set?
Replace with the coded ETACS-ECU.
The diagnosis is complete.