Pinout Values and Diagnostic Parameters

TERMINALS OF ECU





1. CHECK TIRE PRESSURE WARNING ECU
a. Disconnect the E56 ECU connector.





b. Measure the voltage and resistance of the wire harness side connector.
If the result is not as specified, there may be a malfunction on the wire harness side.
c. Reconnect the E56 ECU connector.





d. Measure the voltage of the connector.
If the result is not as specified, the ECU may have a malfunction.