Hint:

How to proceed with troubleshooting
Terminals of ecuAdjusting the open position of the back door (vehicles with a power back door)
The open position of the power back door can be adjusted.
Open the back door, and adjust it to the desired position.
Press and hold the power back door switch on the back door until
the buzzer sounds 4 times.
Luggage compartment light
The luggage compartment light turns on when the back ...
Knock sensor 1 circuit
Description
Flat type knock sensors (non-resonant type) have structures that can detect
vibrations over a wide band
of frequencies: between approximately 6 khz and 15 khz.
A knock sensor is fitted onto the engine block to detect engine knocking.
The knock sensor contains a piezoelectri ...
Purpose of readiness tests
The on-board diagnostic (obd ii) system is designed to
monitor the performance of emission related components,
and indicate any detected abnormalities with dtc
(diagnostic trouble codes). Since various components
need to be monitored during different driving conditions,
the obd ii syste ...