B2262

DTC B1CB2: Occupant Classification-ECU Parameter Table Incompatible
DTC B2212: Occupant Classification-ECU Internal Failure
DTC B2250: Occupant Classification-ECU Not Parameter Flash Required
DTC B2262: Occupant Classification-ECU Electrostatic Discharge Event Detected

CAUTION: If DTC B1CB2, B2212, B2250, B2262 is set in the occupant classification-ECU, always diagnose the CAN main bus lines.

TROUBLE JUDGMENT
The above DTC is set if an abnormality is detected in the circuit inside the occupant classification-ECU.

TROUBLESHOOTING HINTS
Malfunction of the occupant classification-ECU

DIAGNOSIS

Required Special Tools:
- MB991958: Scan Tool (M.U.T.-III Sub Assembly)
- MB991824: Vehicles Communication Interface (V.C.I.)
- MB991827: M.U.T.-III USB Cable
- MB991910: M.U.T.-III Main Harness A (Vehicles with CAN communication system)

STEP 1. Using scan tool MB991958, diagnose the CAN bus line.

CAUTION: To prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool MB991958.







1. Connect scan tool MB991958. Refer to "How to connect the scan tool." How To Connect The Scan Tool (M.U.T.-III)
2. Turn the ignition switch to the "ON" position.
3. Diagnose the CAN bus line.
4. Turn the ignition switch to the "LOCK" (OFF) position.

Q: Is the CAN bus line found to be normal?

YES: Go to Step 2.

NO: Repair the CAN bus line.

STEP 2. Recheck for diagnostic trouble code.

Check again if the DTC is set.
1. Erase the DTC.
2. Turn the ignition switch from "LOCK" (OFF) position to "ON" position.
3. Check if DTC is set.
4. Turn the ignition switch to the "LOCK" (OFF) position.

Q: Is the DTC set?

YES: Replace the slide adjuster (RH).

NO: There is an intermittent malfunction such as poor engaged connector(s) or open circuit.