Power Back Door System

TERMINALS OF ECU




1. CHECK POWER BACK DOOR ECU




a. Disconnect the P13 and P14 ECU connectors, and check the voltage or resistance of each terminal of the wire harness side connectors.

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







b. Reconnect the ECU connectors, and check the voltage of each terminal of the connectors.
*1 Satellite switch (Back door)
*2 Transmitter switch (Back door)
*3 When all the conditions listed below are met, the warning buzzer sounds.

- Ignition switch is turned ON
- Shift lever is moved into any position except P position
- Back door is open or power back door system is activated to open

*4 When any condition listed below is met, the warning buzzer turns off.

- Shift lever is moved into P position
- Back door is fully closed.

HINT: Use an oscilloscope to check the output voltages of the power back door main switch, buzzer and pulse sensor.

If the result is not as specified, the ECU may have a malfunction.