[Previous][Next]
DTC B1617: Roll Over Sensor Malfunction
 
 
caution If DTC is stored in the SRS-ECU, always diagnose the CAN main bus line.
 
 
TROUBLE JUDGMENT
The above DTC is stored if an abnormality is detected in the circuit inside the SRS-ECU.
 
 
TROUBLESHOOTING HINTS
Malfunction of the SRS-ECU
 
 
DIAGNOSIS
STEP 1. Using scan tool (M.U.T.-III), diagnose the CAN bus line.
(1)
cautionTo prevent damage to scan tool (M.U.T.-III), always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool (M.U.T.-III).
Connect scan tool (M.U.T.-III). Refer to "How to connect the scan tool ."
(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.
Is the CAN bus line found to be normal?
Go to Step 2.
Repair the CAN bus line (Refer to GROUP 54C, Diagnosis ).
 
STEP 2. Recheck for diagnostic trouble code.
Check again if the DTC is stored.
(1) Turn the ignition switch to the "ON" position.
(2) Check if the DTC is stored.
(3) Turn the ignition switch to the "LOCK" (OFF) position.
Is the DTC output regardless of "Active" or "Stored" faults?
Replace the SRS-ECU (Refer to ).
There is an intermittent malfunction such as poor engaged connector(s) or open circuit (Refer to GROUP 00, How to Cope with Intermittent Malfunction ).