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 B1332 if there is short to power harness in PFIS harness.
Item
Detecting Condition
Possible cause
DTC Strategy
? Check current(PWM type)
? Short to power in harness.
? Faulty PFIS.
? Faulty SRSCM.
Enable Conditions
? Ignition "ON"
Threshold Value
? SIS/FIS no acceleration data, and line voltage >11V
Diagnostic Time
Qualification
? More than 2.2 sec
De-Qualification
? More than 1 time