The airbag system checks a short between sensors in order to operate an impact sensor. Among the PAD Switch and PAD Indicator if there is a short among them, DTC code would be set.
If there is a short between PAD Switch and PAD Indicator's circuit, this DTC would be set. For example, if there is a short between PAD Switch and PAD Indicator's circuit, this DTC would be set and recorde in the ACU. At this time, the ACU makes warning lamp turn on to let a driver know.
Item | Detecting Condition | Possible cause | |
DTC Strategy |
•
Monitor the current of PWM type |
•
Short between PAD Switch and PAD Indicator's circuits
•
PAD Switch and PAD Indicator's circuit and connection
•
SRSCM circuit and connection
•
SRSCM faulty | |
Enable Conditions |
•
Ignition "ON" | ||
Threshold Value |
•
Short between PAD Switch and PAD Indicator's circuits | ||
Diagnostic Time | Qualification |
•
More than 1s (100ms x 10)1 time | |
De-Qualification |
•
More than 2s (100ms x 20) | ||
