Signal (OFF_PTT) 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
- Front passenger's airbag cutoff indicator 4P connector: disconnected
- Procedure
- Perform the inspection according to the following table.
(Disconnected)
SRS unit connector A (43P) female terminals(Disconnected)
Front passenger's airbag cutoff indicator 4P connector female terminalsIG Mode Normal Conditions OFF_PTT 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.OFF_PTT shorted to ground inspection OFF Not shorted or at least 1 MΩ
- Perform the inspection according to the following table.
Results
- If abnormal, there is a problem in the circuit.