Operation
The Front Impact sensor (FIS) assy circuit includes a diagnosis circuit and a lateral deceleration sensor. It recieves signals from the lateral deceleration sensor, detects and diagnosis system malfunctions, and judges whether or not the SRS must be activated.
DTCs B1326 are recorded when a malfunction in the Front Impact Sensor assembly (left front) is detected.
Item | Detecting Condition | Possible Cause | |
DTC Strategy | ● When the circuit short to ground | ● Short circuit to the ground ● Short circuit in the sensor to ground | |
Enable Conditions | ● Ignition "ON" | ||
Threshold Value | ● 1MΩ or Higher (Resister between wire and body ground) | ||
Diagnostic Time | Qualification | ● More then 2 sec remaining | |
De-Qualification | ● More then10 sec remaining | ||
Test Condition | Resister (Ω) |
Ignition OFF |
