CODE NO. B2207
Occupant Restraint Controller Internal 1
CODE NO. B2208 Occupant Restraint Controller
Internal 2
CODE NO. B2209 Occupant Restraint Controller Internal 3
CODE NO.
B220A Occupant Restraint Controller Internal 4
CODE NO. B220B Occupant Restraint Controller
Firing Stored Energy
CODE NO. B220C Occupant Restraint Controller Accelerometer 1
CODE
NO. B220D Occupant Restraint Controller Accelerometer 2
| caution | If the diagnosis codes are
set to SRS-ECU, be sure to diagnose the CAN bus line. |
TROUBLE JUDGMENT |
| The above codes are set if an abnormality is detected in the circuit inside the SRS-ECU. |
PROBABLE CAUSES |
| Malfunction of the SRS-ECU |
DIAGNOSIS PROCEDURE |
STEP 1. M.U.T.-III CAN bus diagnostics. |
| Use M.U.T.-III to diagnose the CAN bus lines. |
Q.
Is the check result normal?
|
 Go to Step 2. |
|
 Repair the CAN bus lines. |
|
STEP 2. Check whether the diagnosis code is reset. |
| (1)Connect the negative battery terminal. |
| (2)Check the diagnosis code again. |
| (3)Disconnect the negative battery terminal. |
Q.
Are any "Stored" or "Active" diagnosis code output?
|
Replace SRS-ECU (Refer to  ). |
|
| Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection
Service Points - How to Cope with Intermittent Malfunction ). |
|