CUSTOMER PROBLEM ANALYSIS CHECK
 HINT: Be
sure to ask the customer in detail about the following points
concerning the vehicle operating conditions, environment and problem,
and then check for DTCs.
- If the entry unlock function does not operate.
- If the power source mode does not change even though the engine switch was pressed (does not change to on (ACC)).
- If the entry lock function does not operate.
- If the entry lock/unlock function does not operate for all doors.
- If both the entry lock and unlock functions do not operate.
- If the wireless lock and unlock functions do not operate.
- If the engine cannot be started the push-button start function.
- If an engine start was attempted by holding the electrical key
transmitter sub-assembly near the engine switch and then pressing the
engine switch.
- If the warning buzzers inside the vehicle do not sound.
- If the warning buzzers outside the vehicle do not sound.
- If the steering wheel does not unlock.
If it is suspected that wave
interference is likely, be sure to ask the customer in detail about the
following points concerning the vehicle operating conditions,
environment and problem.
- Specific locations where the system does not operate (such as near TV
towers, large video displays, wireless garage door opener systems,
wireless security cameras, home security systems, etc.).
- Specific times when the system does not operate.
- If the symptoms occurred immediately after purchase or only recently.
- If the system does not operate only when near specific vehicles (there
may be wave interference from the wireless systems of other vehicles).
- If the system operates intermittently.
- If the electrical key transmitter sub-assembly is bundled together with other items.
- If the electrical key transmitter sub-assembly is carried together with
other electronic devices, such as cell phones, personal computers,
portable music players, other electrical key transmitter sub-assemblies,
etc. (make sure to keep the electrical key transmitter sub-assembly at
least 0.1 m (0.328 ft.) away from such items).
- Where the electrical key transmitter sub-assembly is being kept when not
in use: If the electrical key transmitter sub-assembly is being placed
within 1 m (3.28 ft.) of items such as TVs, DVD recorders, induction
cookers, rice cookers, dishwashers, modems, cell phones, personal
computers, microwave ovens, desk or floor lamps, cordless telephones,
etc.
- If there are electronic devices that transmit radio waves placed in the vehicle.
- When the transmitter battery was last replaced. The transmitter battery
capacity can be approximated using the Key Low Battery Data List item.
Click here 
- If the customer installed any optional components (theft deterrent devices, wireless fog lights, etc.) to the vehicle.
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