Hint:
Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "suspected area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.


Air-fuel ratio (a/f) and heated oxygen (ho2) sensor
heater monitors (front a/f and rear ho2 sensor type)
Terminals of ecmWireless remote control
Function summary
The wireless remote control can be used to lock and unlock the vehicle.
It also opens and closes the back door.
Vehicles without a smart key system
Locks all the doors
Unlocks all the doors
Pressing the button unlocks the
driver’s door. Pressing the button
again wi ...
Removal
Disconnect cable from negative battery terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent airbag and seat belt pretensioner activation.
Remove mass air flow meter
Disconnect the mass air flow meter connector.
...
Operation check
Check electrical door lock operation
Check the basic function.
Check that all doors lock when the door control
switch (for manual operation) is turned to lock
and all doors unlock when turned to unlock.
Check that all doors lock when the driver side
door lock key cylinder is t ...