TROUBLE DIAGNOSES — Supplemental Restraint System (SRS) — On-board Self-diagnosis / Warning Lamp Operation
BF-2010prose procedureK11 SRS pre-CAN: no scan-tool diagnostic, only the warning-lamp pattern. Read codes by counting blink cadence (next pages will document the cadence-to-code mapping).
On-board Self-diagnosis
Using the Warning Lamp
NOTE
Self-diagnosis results can be read by using the "AIR BAG" warning lamp. The "AIR BAG" warning lamp operates as shown below.
NOTE
CONSULT cannot be used for trouble diagnoses.
Warning Lamp Operation
Light check — ON for approximately 7 sec at IGN-ON, then OFF.
MeaningNormal — SRS is functioning correctly.
Blinking — 0.5 s ON / 0.5 s OFF continuously.
MeaningAir bag is deployed or SRS is malfunctioning. Check the SRS immediately.
Lamp does not come ON at IGN-ON.
MeaningMalfunction detected (lamp circuit or DSU failure).
Lamp stays continuously ON (no 7-sec OFF transition).
MeaningMalfunction detected — SRS fault.