Fig.1) FIS-Passenger
Fig.2) FIS-Driver
Front Impact Sensor(FIS)located at both sides of the front of engine room detects head-on collision. When FIS delivers collision signal to SRSCM, SRSCM checks if safing sensor located in SRSCM detects collusion.
and if both FIS and safing sensor detects collision simultaneously, SRSCM operates front air bag.
The SRSCM sets DTC B132700 if there is short to power harness in DFIS harness.
Item
Detecting Condition
Possible cause
DTC Strategy
Check voltage
Short to power in harness.
Faulty DFIS.
Check SRSCM
Enable Conditions
Ignition "ON"
Threshold Value
DFIS short to Battery
Diagnostic Time
Qualification
More than 1s (100ms x 10)
De-Qualification
More than 2s (100ms x 20)