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DTC B1617: Roll Over Sensor Malfunction
 
 
caution If DTC is set in the SRS-ECU, always diagnose the CAN main bus line.
 
 
TROUBLE JUDGMENT
The above DTC is set 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.-IIISE), diagnose the CAN bus line.
(1)
cautionTo prevent damage to scan tool (M.U.T.-IIISE), always turn off the power supply mode of the electric motor switch before connecting or disconnecting scan tool (M.U.T.-IIISE).
Connect scan tool (M.U.T.-IIISE). Refer to "How to connect the scan tool ."
(2) Turn on the power supply mode of the electric motor switch.
(3) Diagnose the CAN bus line.
(4) Turn off the power supply mode of the electric motor switch.
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 DTC.
Check again if the DTC is set.
(1) Turn on the power supply mode of the electric motor switch.
(2) Check if the DTC is set.
(3) Turn off the power supply mode of the electric motor switch.
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 ).