THEFT DETERRENT / KEYLESS ENTRY SMART ENTRY AND START SYSTEM(for Entry Function (NR Series)) Front Passenger Side Door Entry Lock and Unlock Functions do not Operate
DESCRIPTION
If the entry lock and unlock functions do not operate for the front passenger door only, the request code may not be being transmitted from the front passenger door or the front door outside handle assembly (for front passenger door) (touch sensor) may be malfunctioning. If the entry functions for other doors operate properly, communication between the electrical key transmitter sub-assembly and electrical key and tire pressure warning ECU and receiver is normal. In this case, there may be a problem with request code transmission (communication between the certification ECU (smart key ECU assembly) and front door outside handle assembly (for front passenger door) (electrical key antenna)), or there may be wave interference.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
- NOTICE:
- ·
When using the GTS with the engine switch off, connect the GTS to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the GTS and the vehicle begins. Then select Model Code "KEY REGIST" under manual mode and enter the following menus: Body Electrical / Entry&Start(CAN). While using the GTS, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the GTS and the vehicle.
·The smart entry and start system (for Entry Function) uses the CAN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the smart entry and start system (for Entry Function) after confirming that the communication systems are functioning properly.
·Before replacing the certification ECU (smart key ECU assembly), refer to Service Bulletin.
·After repair, confirm that no DTCs are output.
·Check that there are no electrical key transmitter sub-assemblies in the vehicle.
- HINT:
- ·
If the front passenger side door entry lock and unlock functions do not operate, the cause of the malfunction may be stored in the certification ECU (smart key ECU assembly).
·If the cause of the malfunction is stored in the certification ECU (smart key ECU assembly), the following table is helpful in checking whether the malfunction was caused by wave interference.
- Body Electrical > Entry&Start > Utility
-
Tester Display Operation History - 50005 125 52
PROCEDURE
When the door control switch on the multiplex network master switch assembly is operated, check that the doors unlock and lock according to the switch operation.
- OK:
Door locks operate normally.
- Result:
Proceed to OK NG
OK
NG
Check the operation of the entry lock and unlock functions.
| *a | Unlock Sensor (Backside) |
Check that the entry unlock function.
Turn the engine switch off.
Open and close the front passenger door.
With the electrical key transmitter sub-assembly outside of the vehicle, press the lock switch of the electrical key transmitter sub-assembly to lock all of the doors.
Hold the electrical key transmitter sub-assembly at the same height as the door outside handle assembly and approximately 0.3 m (0.984 ft.) from the front passenger door.
Check that the LED of the electrical key transmitter sub-assembly blinks.
Touch the unlock sensor on the backside of the front door outside handle assembly (for front passenger door) for 2 seconds or more.*
*: Perform this step 3 seconds or more after performing step (3).
- HINT:
-
When checking the operation of the unlock sensor again, make sure to perform the procedure from step (1).
| *a | Lock Sensor |
Check that the entry lock function.
Turn the engine switch off.
Open and close the front passenger door.
Hold the electrical key transmitter sub-assembly at the same height as the door outside handle assembly and approximately 0.3 m (0.984 ft.) from the front passenger door.
Touch the lock sensor of the front door outside handle assembly (groove on the front door outside handle) with 2 or more fingers for 2 seconds or more.
- HINT:
- ·
If the door does not lock even when touching the lock sensor for 2 seconds or more, touch it with your palm.
·When checking the operation of the lock sensor again, make sure to perform the procedure from step (1).
- Result:
Result Proceed to Entry function does not operate normally A Entry function operates normally B
A
B
| *a | Approximately 0.3 m (0.984 ft.) |
Bring the electrical key transmitter sub-assembly approximately 0.3 m (0.984 ft.) from the front door outside handle assembly (for front passenger door) and perform an entry function check.
- HINT:
- ·
Communication may not be possible if the electrical key transmitter sub-assembly is within 0.2 m (0.656 ft.) of the front door outside handle assembly (for front passenger door).
·When the electrical key transmitter sub-assembly is brought near the front door outside handle assembly (for front passenger door), the possibility of wave interference decreases, and it can be determined if wave interference is causing the problem symptom.
·If the inspection result is that the problem only occurs in certain locations or at certain 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.
·There may be wave interference if the vehicle is near broadcasting antennas, large video displays, wireless garage door opener systems, wireless security cameras, home security systems, etc. In this case, move the vehicle to a different location and check if there is any improvement.
·If a tool for checking radio waves, such as a signal strength meter, is available, move around the area while observing both the LF band (used by the vehicle antenna to form the detection area) and RF band (used by the electrical key transmitter sub-assembly for transmission) to check for locations where there is wave interference.
·When checking the operation of the entry lock function several times, it can be operated up to 2 times consecutively. To operate the function 3 times or more consecutively, the doors need to be unlocked once. However, this is only for the entry lock function, other door lock operations, such as a wireless door lock operation can be performed consecutively.
- Result:
Result Proceed to Entry function does not operate normally A Entry function operates normally B
A
B
| *a | Unlock Sensor (Backside) |
Turn the engine switch off.
Connect the GTS to the DLC3.
Turn the engine switch on (IG).
Turn the GTS on.
Open and close the front passenger door.
With the electrical key transmitter sub-assembly outside of the vehicle, press the lock switch of the electrical key transmitter sub-assembly to lock all of the doors.
Hold the electrical key transmitter sub-assembly at the same height as the door outside handle assembly and approximately 0.3 m (0.984 ft.) from the front passenger door.
Check that the LED of the electrical key transmitter sub-assembly blinks.
Read the Data List according to the display on the GTS.
Touch the unlock sensor on the backside of the front door outside handle assembly (for front passenger door) for 2 seconds or more.*
*: Perform this step 3 seconds or more after performing step (f).
- HINT:
-
When checking the operation of the unlock sensor again, make sure to perform the procedure from step (a).
- Body Electrical > Entry&Start > Data List
-
Tester Display Measurement Item Range Normal Condition Diagnostic Note P-Door Touch Sensor Front passenger door touch sensor (unlock sensor) OFF or ON OFF: Front passenger door touch sensor (unlock sensor) not touched
ON: Front passenger door touch sensor (unlock sensor) touched·Displays whether the unlock sensor is on or off (even if the sensor is touched and contact is maintained, "ON" is displayed only momentarily).
·Use this Data List item to help determine if there is an unlock sensor malfunction when the entry unlock function does not operate.
- Body Electrical > Entry&Start > Data List
-
Tester Display P-Door Touch Sensor - 50003 125 9
- OK:
The GTS display changes correctly in response to the operation of the front door outside handle assembly (for front passenger door).
- Result:
Proceed to OK NG
OK
NG
| *a | Lock Sensor |
Turn the engine switch off.
Connect the GTS to the DLC3.
Turn the engine switch on (IG).
Turn the GTS on.
Open and close the front passenger door.
Hold the electrical key transmitter sub-assembly at the same height as the door outside handle assembly and approximately 0.3 m (0.984 ft.) from the front passenger door.
Read the Data List according to the display on the GTS.
Touch the lock sensor of the front door outside handle assembly (groove on the front door outside handle) with 2 or more fingers for 2 seconds or more.
- HINT:
- ·
If the door does not lock even when touching the lock sensor for 2 seconds or more, touch it with your palm.
·When checking the operation of the lock sensor again, make sure to perform the procedure from step (a).
·When checking the operation of the entry lock function several times, it can be operated up to 2 times consecutively. To operate the function 3 times or more consecutively, the doors need to be unlocked once. However, this is only for the entry lock function, other door lock operations, such as a wireless door lock operation can be performed consecutively.
- Body Electrical > Entry&Start > Data List
-
Tester Display Measurement Item Range Normal Condition Diagnostic Note P-Door Trigger Switch Front passenger door touch sensor (lock sensor) OFF or ON OFF: Front passenger door touch sensor (lock sensor) not touched
ON: Front passenger door touch sensor (lock sensor) touched·Displays whether the lock sensor is on or off (even if the sensor is touched and contact is maintained, "ON" is displayed only momentarily).
·Use this Data List item to help determine if there is a lock sensor malfunction when the entry lock function does not operate.
- Body Electrical > Entry&Start > Data List
-
Tester Display P-Door Trigger Switch - 50003 125 13
- Result:
Result Proceed to The GTS display does not change correctly in response to the operation of the front door outside handle assembly (for front passenger door). A The GTS display changes correctly in response to the operation of the front door outside handle assembly (for front passenger door). B
A
B
Disconnect the O61 certification ECU (smart key ECU assembly) connector.
Disconnect the K3 front door outside handle assembly (for front passenger door) connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection Condition Specified Condition O61-4 (CLG2) - K3-6 (ANT1) Always Below 1 Ω O61-3 (CG2B) - K3-4 (ANT2) Always Below 1 Ω O61-4 (CLG2) or K3-6 (ANT1) - Other terminals and body ground Always 10 kΩ or higher O61-3 (CG2B) or K3-4 (ANT2) - Other terminals and body ground Always 10 kΩ or higher
Reconnect the O61 certification ECU (smart key ECU assembly) connector.
- Result:
Proceed to OK NG
OK
NG
| *a | Front view of wire harness connector
(to Front Door Outside Handle Assembly (for Front Passenger Door)) |
| *b | Waveform 1 |
Using an oscilloscope, check the waveform.
- OK:
Tester Connection Condition Tool Setting Specified Condition K3-6 (ANT1) - K3-4 (ANT2) Procedure:
1.Engine switch off
2.All doors closed
3.Electrical key transmitter sub-assembly not inside vehicle
4.All doors locked through wireless operation
(electrical key transmitter sub-assembly brought outside detection area*)
5 V/DIV., 100 ms/DIV. Pulse generation
(See waveform 1)
*: For details about the entry function detection area, refer to Operation Check.
- Result:
Proceed to OK NG
OK
NG
Replace the front door outside handle assembly (for front passenger door) with a new one or the front door outside handle assembly (for driver door) if it is functioning properly.
- Result:
Proceed to NEXT
NEXT
Check that the function operates normally.
- Result:
Result Proceed to Entry function operates normally A Entry function does not operate normally B
A
B
Check the following antenna in key diagnostic mode.
- Body Electrical > Entry&Start > Utility
-
Tester Display Communication Check(Key Diag Mode) - 50005 125 143
Select either channel 1 or channel 2 and perform key diagnostic mode inspection for each channel.
| *a | 0.7 to 1 m (2.30 to 3.28 ft.) |
Check the electrical key antenna (for front passenger door):
When the electrical key transmitter sub-assembly is brought within 0.7 to 1 m (2.30 to 3.28 ft.) of the front door outside handle assembly (for front passenger door), check that the combination meter assembly buzzer sounds.
- HINT:
- ·
Select either channel 1 or channel 2 and perform the key diagnostic mode inspection for each channel.
·If the combination meter assembly buzzer sounds with [CH1] displayed but not with [CH2], the electrical key transmitter sub-assembly cannot be detected by channel 2 due to a malfunction, such as wave interference.
- Result:
Result Proceed to Combination meter assembly buzzer does not sound A Combination meter assembly buzzer sounds B
A
B
Disconnect the O61 certification ECU (smart key ECU assembly) connector.
Disconnect the K3 front door outside handle assembly (for front passenger door) connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection Condition Specified Condition O61-4 (CLG2) - K3-6 (ANT1) Always Below 1 Ω O61-3 (CG2B) - K3-4 (ANT2) Always Below 1 Ω O61-4 (CLG2) or K3-6 (ANT1) - Other terminals and body ground Always 10 kΩ or higher O61-3 (CG2B) or K3-4 (ANT2) - Other terminals and body ground Always 10 kΩ or higher
Reconnect the O61 certification ECU (smart key ECU assembly) connector.
- Result:
Proceed to OK NG
OK
NG
| *a | Front view of wire harness connector
(to Front Door Outside Handle Assembly (for Front Passenger Door)) |
| *b | Waveform 1 |
Using an oscilloscope, check the waveform.
- OK:
Tester Connection Condition Tool Setting Specified Condition K3-6 (ANT1) - K3-4 (ANT2) Procedure:
1.Engine switch off
2.All doors closed
3.Electrical key transmitter sub-assembly not inside vehicle
4.All doors locked through wireless operation
(electrical key transmitter sub-assembly brought outside detection area*)
5 V/DIV., 100 ms/DIV. Pulse generation
(See waveform 1)
*: For details about the entry function detection area, refer to Operation Check.
- Result:
Proceed to OK NG
OK
NG
Connect all connectors and check that the function operates normally.
- Result:
Result Proceed to Entry function does not operate normally A Entry function operates normally B
A
B