Power Supply (LFS+), GND (LFS-) Circuit Inspection
NOTE:
Before disconnecting the SRS related connector, do the 12 volt battery terminal disconnection procedure and wait for at least 3 minutes.
Test Procedure
- Preparation
- SRS unit connector A (43P) : disconnected
- Left front impact sensor 2P connector: disconnected
- Procedure
- Perform the inspection according to the following table.
(Disconnected)
SRS unit connector A (43P) female terminals(Disconnected)
Left front impact sensor 2P connector female terminalsIG Mode Normal Conditions LFS+, LFS- shorted wire to wire inspection OFF There is more than 1 MΩ LFS+ open wire inspection OFF There is less than 1 Ω LFS- open wire inspection OFF There is less than 1 Ω NOTE: Refer to the Open/Shorted Wire Inspection Description for the method to inspect the shorted circuit below, then start to inspect according to circumstances.LFS+ shorted to ground inspection OFF Not shorted or at least 1 MΩ LFS- shorted to ground inspection OFF Not shorted or at least 1 MΩ LFS+ shorted to power inspection ON Not shorted or 0.2 V or less LFS- shorted to power inspection ON Not shorted or 0.2 V or less
- Perform the inspection according to the following table.
Results
- If abnormal, there is a problem in the circuit.