B2226

DTC B2226: AND error

CAUTION:

- If DTC B2226 is set, be sure to diagnose the CAN bus line.
- When replacing the CAN box unit or multivision display, always check that the communication circuit is normal. (Check that the voltage is 10 V or more.)

TROUBLE JUDGMENT

When the CAN box unit receives the signal to indicate an abnormality (service data) occurred in the multivision display, the CAN box unit sets DTC B2226.

TROUBLESHOOTING HINT

- The CAN box unit may be defective
- The multivision display may be defective

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.





(1)
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.

Connect scan tool MB991958. Refer to "How to connect the Scan Tool (M.U.T.-III) Scan Tool Testing and Procedures."
(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 CAN Bus Diagnostics Chart).

STEP 2.Check that the of the MMCS service mode.

Check that the FACTOR CODE is set to the service data log in the MMCS service mode "Versions Log Information." (Refer to Reading and Clearing Diagnostic Trouble Codes.)

Q. Is the FACTOR CODE set?

YES Carry out the diagnosis for the corresponding code.(Refer to Trouble symptom chart Symptom Chart)
NO Go to Step 3.
STEP 3. Recheck for diagnostic trouble code.

Check again if the DTC is set to the CAN box unit.

(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 Go to Step 4.
NO The trouble can be an intermittent malfunction How to Cope With Intermittent Malfunctions).
STEP 4. Recheck for diagnostic trouble code.

Temporarily replace the multivision display, and check if the DTC is set to the CAN box unit.

(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 CAN box unit.
NO Replace the multivision display.