Inspection Procedure 16: Power door locks with selective unlocking does not work.


caution Before replacing the ECU, ensure that the power supply circuit, the earth circuit and the communication circuit are normal.

COMMENT ON TROUBLE SYMPTOM


When the keyless entry function and door entry function operate normally, but there is an error to only the power door locks with selective unlocking, ETACS-ECU may have a problem. In addition, it is possible that the function has been set to "all doors unlock" by the customisation function.

PROBABLE CAUSES



DIAGNOSIS PROCEDURE


STEP 1. Check the customisation


Q. Are the power door locks with selective unlocking enabled by the customisation function?

Go to Step 2

Set the power door locks with selective unlocking to "Enabled" by using the customisation function. Refer to .

STEP 2. Power door locks with selective unlocking operation check


Check that the power door locks with selective unlocking operate normally by means of the keyless entry function or door entry function.

Q. Is the check result normal?

Go to Step 5

NO (Does not work by means of keyless entry function) : Go to Step 3

NO (Does not work by means of door entry function) : Go to Step 4

NO (Does not work by means of either functions) : Go to Step 5

STEP 3. Keyless entry system operation check


Press the unlock switch of the keyless operation key and check that only the driver’s door is unlocked. Then, press the unlock switch once again within 2 seconds after that to check that the front passenger’s door, rear doors, and tailgate are unlocked.

Q. Does the keyless entry function work normally?

Go to Step 5

NO (Only the driver’s door is not unlocked.) : Replace ETACS-ECU.

NO (The driver’s door, front passenger’s door, rear doors, and tailgate are not unlocked.) : Refer to Inspection Procedure 8: "Keyless entry function does not work ."

STEP 4. Door entry function operation check


Press the lock/unlock switch (driver’s side) and check that only the driver’s door is unlocked. Then, press the lock/unlock switch (driver’s side) once again within 2 seconds after that to check that the front passenger’s door, rear doors, and tailgate are unlocked.

Q. Does the door entry function work normally?

Go to Step 5

NO (Only the driver’s door is not unlocked.) : Replace ETACS-ECU.

NO (The driver’s door, front passenger’s door, rear doors, and tailgate are not unlocked.) : Refer to Inspection Procedure 6: "Driver’s door lock/unlock switch does not work ."

STEP 5. Check of the troubles


Check that the power door locks with selective unlocking works normally.

Q. Is the check result normal?

Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunction ).

Replace ETACS-ECU.