THEFT DETERRENT / KEYLESS ENTRY DIGITAL KEY SYSTEM Front Passenger Side Door Entry Lock and Unlock Functions do not Operate
DESCRIPTION
Remove all causes of non-operation other than the vehicle components and vehicle settings. Under these conditions, if only driver door entry lock and unlock using the digital key are not possible, there may be a malfunction in the communication system between the digital key ECU assembly and front door outside handle assembly (for front passenger door) or a malfunction in the digital key ECU assembly and front door outside handle assembly (for front passenger door).
CAUTION / NOTICE / HINT
- NOTICE:
- ·
Before performing troubleshooting of the vehicle, refer to Precautions for Inspection or Registration to check for a cause of the malfunction which is not related to vehicle settings or vehicle components.
·Perform troubleshooting with the electrical key transmitter sub-assembly not inside the detection area of the smart entry and start system.
·When using the digital key to perform door lock/unlock with the entry function, refer to Precautions for Outside Vehicle Digital Key Detection Range/Diagnostic Range.
·Make sure that no DTCs are output. If any DTCs are output, proceed to Diagnostic Trouble Code Chart.
·Cancel power saving mode before performing troubleshooting.
·If the digital key system has been disabled, enable the system before performing troubleshooting.
·Before replacing the digital key ECU assembly or front door outside handle assembly (for front passenger door), refer to Service Bulletin.
PROCEDURE
Check the smart entry and start system (for entry function).
- OK:
Smart entry and start system (for Entry Function) operates properly
- Result:
Proceed to OK NG
OK
NG
Check whether it is possible to use the digital key to perform door lock/unlock with the entry function.
Check the entry unlock function.
Turn the ignition switch off.
Open and close the front passenger door.
From outside the vehicle, press the lock switch displayed on the digital key and lock all doors.
| *a | Unlock Sensor (Backside) |
The illustrations shown are examples only.
Hold the key in your hand and hold your hand inside the digital key diagnostic range. Then grip the sensor on the reverse side of the door outside handle for 2 seconds or longer.*
*: Perform this step 3 seconds or more after performing step (3).
- NOTICE:
- ·
For details on the digital key diagnostic range, refer to Precautions for Outside Vehicle Digital Key Detection Range/Diagnostic Range.
·Refer to Precautions for Inspection or Registration regarding the digital key and surrounding environment.
- HINT:
-
When checking the operation of the unlock sensor again, make sure to perform the procedure from step (1).
Check the entry lock function.
Turn the ignition switch off.
Open and close the front passenger door.
| *a | Lock Sensor |
The illustrations shown are examples only.
Hold the key in your hand and hold your hand inside the digital key diagnostic range. Then touch the lock sensor on the surface of the door outside handle (indentation on the door outside handle) with multiple fingers for 2 seconds or longer.
- NOTICE:
-
For details on the digital key diagnostic range, refer to Precautions for Outside Vehicle Digital Key Detection Range/Diagnostic Range.
- ·
For details on the digital key diagnostic range, refer to Precautions for Outside Vehicle Digital Key Detection Range/Diagnostic Range.
·Refer to Precautions for Inspection or Registration regarding the digital key and surrounding environment.
- 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).
·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 operates normally A Entry function does not operate normally B
A
B
Using the GTS, check for Vehicle Control History (RoB).
- Body Electrical > Entry&Start > Utility
-
Tester Display Vehicle Control History (RoB) - 50005 440 62
Take appropriate action in accordance with the result of the cause analysis.
- Result:
Proceed to NEXT
NEXT
Replace the front door outside handle assembly (for front passenger door) with a new one or used one.
Use the digital key and check whether front passenger door lock/unlock is possible with the entry function.
- Result:
Proceed to OK NG
OK
NG