Operation
The Side Impact sensor(SIS) assy circuit consists of the diagnosis circuit and lateral deceleration sensor,etc. It receive signals from the lateral deceleration sensor,judges whether or not the SRS must be activated, and dects diagnosis system mulfunction.
DTC B1402 is recorded when occurrence of a malfunction in the Side Impact sensor assy (Left side)is detected.
Item | Detecting Condition | Possible Cause | |
DTC Strategy | ● When the circuit short to Battery | ● Short circuit to the Battery B+ ● Short circuit in the sensor to B+ | |
Enable Conditions | ● Ignition "ON" | ||
Threshold Value | ● Voltage Below 1V(Voltage between wire and body ground) | ||
Diagnostic Time | Qualification | ● More than 2 sec remaining | |
De-Qualification | ● More than10 sec remaining | ||
Test Condition | Resister (Ω) |
Ignition OFF | V ≤ 1V |
