Seat Vibration System

SEAT: SEAT VIBRATION SYSTEM: TERMINALS OF ECU

1. CHECK SEAT VIBRATION MODULE ASSEMBLY

(a) Disconnect the S29 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.

2. CHECK POSITION CONTROL ECU LH

(a) Disconnect the f40 ECU connector.





(b) Measure the voltage and resistance of the wire harness connectors.





If the result is not as specified, there may be a malfunction on the wire harness side.

(c) Reconnect the f40 ECU connector.

(d) Measure the voltage and resistance of the connectors.





(e) Using an oscilloscope, check waveform 1.









3. CHECK POSITION CONTROL ECU RH

(a) Disconnect the f37 ECU connector.





(b) Measure the voltage and resistance of the wire harness connectors.





If the result is not as specified, there may be a malfunction on the wire harness side.

(c) Reconnect the f37 ECU connector.

(d) Measure the voltage and resistance of the connectors.





(e) Using an oscilloscope, check waveform 1.