
CIRCUIT INSPECTION
B. Check the SRS SRI (Service Reminder Indicator).
OK : SRS SRI ON
DTC
B1620
B1650
B1655
B1657
B1661
Airbag unit internal failure
SRSCM crash recorded
Side airbay crash recorded
Crash recorded-Belt pretensioner only
ECU mismatching
CIRCUIT DESCRIPTION
1. Functional readiness of the firing circuit activation transistors.
2. Adequacy of deployment energy reserves.
3. Safing sensor integrity : detection of faulty closure.
4. Plausibility of accelerometer signal.
5. Operation of SRSCM components.
DIAGNOSIS WITH SCAN TOOL
CHECK PROCEDURES
1. Connect the Hi-Scan Pro DLC to the vehicle's data link connector located under neath the dash panel.
2. Turn the ignition key to the "ON" position and turn the Hi-Scan Pro ON.
3. Perform the SRS diagnosis according to the vehicle model configuration.
4. If a fault code is assured, then replace the component. Never attempt to repair the component.
5. If the Hi-Scan Pro finds that a component of the system is faulty, there is a possibility that the fault is not in the
component, but in SRS wiring or connector.
DIAGNOSTIC TROUBLESHOOTING FLOW
Page 31 of 34
24.04.2008
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