DESCRIPTION
When the wireless operation can be used to lock and unlock the doors, the communication line between the door control receiver and certification ECU (smart key ECU assembly) is normal. When the entry functions do not operate, one of the following may be the cause: 1) entry cancel function is set through customization; 2) malfunction in entry and start system communication line (electrical key transmitter and vehicle); or 3) wave interference.
INSPECTION PROCEDURE
PROCEDURE
READ VALUE USING INTELLIGENT TESTER (ENTRY CANCEL FUNCTION)
Connect the intelligent tester to the DLC3.
Turn the engine switch on (IG).
Turn the intelligent tester on.
Enter the following menus: Body / Entry & Start / Data List.
Read the Data List according to the display on the intelligent tester.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| Entry Cancel SW | Entry door lock function cancel / ON or OFF | Mode status displayed | - |
| Result | ||||||
|---|---|---|---|---|---|---|
|
| A |
|
PERFORM CANCELLATION OF ENTRY KEY CANCEL FUNCTION Click here |
| B |
|
CHECK WAVE ENVIRONMENT
Move the electrical key transmitter as described below and perform the operation inspection.
Tech Tips
When the electrical key transmitter is brought near the door outside handle assembly or electrical key antenna, the possibility of wave interference decreases, and it can be determined if wave interference is causing the problem symptom.
The transmitting waves of the wireless functions and entry functions are the same, but the wave logic is different. Therefore, it is possible that only the wireless functions or only the entry functions are affected by wave interference.
Bring the electrical key transmitter near the driver door outside handle assembly, and perform a front driver door entry lock and unlock operation check.
Note
If the key is brought within 0.2 m (0.656 ft.) of the door outside handle assembly, communication is not possible.
Bring the electrical key transmitter near the front passenger door outside handle assembly, and perform a front passenger door entry lock and unlock operation check.
Note
If the key is brought within 0.2 m (0.656 ft.) of the door outside handle assembly, communication is not possible.
Bring the electrical key transmitter near the outside electrical key oscillator (luggage compartment), and perform an entry luggage compartment door open function check.
Note
If the key is brought within 0.2 m (0.656 ft.) of the rear bumper, communication is not possible.
Tech Tips
If the inspection result is that the problem only occurs in certain locations or times of day, the possibility of wave interference is high. Also, added vehicle components may cause wave interference. If installed, remove them and perform the operation check.
| Result | ||||||
|---|---|---|---|---|---|---|
|
| A |
|
AFFECTED BY WAVE INTERFERENCE |
| B |
|
PERFORM KEY DIAGNOSTIC MODE INSPECTION
Diagnostic mode inspection (door electrical key oscillator (driver side))
Connect the intelligent tester to the DLC3.
Turn the engine switch on (IG).
Turn the intelligent tester on.
Enter the following menus: Body / Entry & Start / Key Communication Check / Overhead + Driver Side.
When the electrical key transmitter is in the position shown in the illustration, check that the wireless door lock buzzer sounds.
Diagnostic mode inspection (door electrical key oscillator (front passenger side))
Connect the intelligent tester to the DLC3.
Turn the engine switch on (IG).
Turn the intelligent tester on.
Enter the following menus: Body / Entry & Start / Key Communication Check / Overhead + Passenger Side.
When the electrical key transmitter is in the position shown in the illustration, check that the wireless door lock buzzer sounds.
Diagnostic mode inspection (indoor electrical key oscillator (front floor))
Connect the intelligent tester to the DLC3.
Turn the engine switch on (IG).
Turn the intelligent tester on.
Enter the following menus: Body / Entry & Start / Key Communication Check / Overhead + Front Room.
When the electrical key transmitter is in the position shown in the illustration, check that the wireless door lock buzzer sounds.
Diagnostic mode inspection (indoor electrical key oscillator (rear floor))
Connect the intelligent tester to the DLC3.
Turn the engine switch on (IG).
Turn the intelligent tester on.
Enter the following menus: Body / Entry & Start / Key Communication Check / Overhead + Rear Room.
When the electrical key transmitter is in the position shown in the illustration, check that the wireless door lock buzzer sounds.
Diagnostic mode inspection (indoor electrical key oscillator (luggage compartment))
Connect the intelligent tester to the DLC3.
Turn the engine switch on (IG).
Turn the intelligent tester on.
Enter the following menus: Body / Entry & Start / Key Communication Check / Overhead + Luggage (inside)
When the electrical key transmitter is held at the same height as the rear bumper upper surface and aligned with the center of the rear of the vehicle, check that the wireless door lock buzzer sounds.
Diagnostic mode inspection (outside electrical key oscillator (luggage compartment))
Connect the intelligent tester to the DLC3.
Turn the engine switch on (IG).
Turn the intelligent tester on.
Enter the following menus: Body / Entry & Start / Key Communication Check / Overhead + Luggage (outside).
When the electrical key transmitter is in the position shown in the illustration, check that the wireless door lock buzzer sounds.
| Result | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| A |
|
GO TO OTHER PROBLEM (Proceed to Problem Symptoms Table Flowchart for Each Door) Click here |
| B |
|
GO TO OTHER PROBLEM (Proceed to Room Oscillator does not Recognize Key) Click here |
| C |
|
GO TO OTHER PROBLEM (Proceed to Problem Symptoms Table) Click here |
| D |
|
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
| E |
|
REPLACE ELECTRICAL KEY TRANSMITTER
Replace the electrical key transmitter.
| NEXT |
|
REGISTER ELECTRICAL KEY TRANSMITTER
Register the electrical key transmitter.
| NEXT |
|
CHECK ELECTRICAL KEY TRANSMITTER (OPERATION)
Check that the entry functions operate normally Click here.
| OK |
|---|
| Entry functions operate normally. |
| NG |
|
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
| OK |
|
END (ELECTRICAL KEY TRANSMITTER IS DEFECTIVE)