Hint:

How to proceed with troubleshooting
Terminals of ecuThrottle actuator control motor circuit
Description
The throttle actuator is operated by the ecm and opens and closes the
throttle valve using gears.
The opening angle of the throttle valve is detected by the throttle position (tp)
sensor, which is mounted
on the throttle body. The tp sensor provides feedback to the ecm. This ...
Operation check
Check key reminder warning system
Check that the key reminder warning buzzer
sounds.
With the driver side door closed, insert the key
into the ignition key cylinder and then turn the
ignition switch to lock or acc.
Check that the buzzer sounds intermittently
when the driver ...
Open in one side of can branch line
Description
If 2 or more ecus and/or sensors do not appear on the intelligent tester's
"bus check" screen via the
can vim, one side of the can branch wire may be open. (One side of the canh
[branch wire] /canl
[branch wire] of the ecu and/or sensor is open.)
Wiring diagram
...