Smart Key System

TERMINALS OF ECU







1. CHECK CERTIFICATION ECU
a. Disconnect the D39 and D40 ECU connectors.
b. Measure the resistance and voltage of each terminal of the wire harness side connector.
c. Reconnect the D39 and D40 ECU connectors.

Part 1:

Part 2:

d. Measure the voltage and frequency of each terminal of the connector.




e. Inspect using oscilloscope.




f. Inspect using oscilloscope.

2. CHECK ID CODE BOX

Waveform:

a. Disconnect the D29 ID code box connector.
b. Measure the resistance of each terminal of the wire harness side connector.
c. Reconnect the D29 ECU connector.




d. Measure the voltage of each terminal of the connector.




e. Inspect using oscilloscope.




f. Inspect using oscilloscope.

3. POWER SOURCE CONTROL ECU




a. Disconnect the D44 ECU connector.




b. Measure the resistance of each terminal of the wire harness side connector.
c. Reconnect the D44 ECU connector.




d. Measure the voltage and frequency of each terminal of the connector.

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

e. Reconnect the D44 ECU connector.




f. Measure the voltage of the connectors.