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Inspection Procedure 12: Power door locks with selective unlocking does not work.
 
 
cautionBefore replacing the ECU, ensure that the power supply circuit, the ground circuit and the communication circuit are normal.
 
 
 
 
TECHNICAL DESCRIPTION (COMMENT)
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 customization function.
 
 
TROUBLESHOOTING HINTS
  • Malfunction of ETACS-ECU
  • Damaged wiring harness and connectors
 
 
DIAGNOSIS
STEP 1. Check the customization.
Are the power door locks with selective unlocking enabled by the customization function?
Go to Step 2.
Set the power door locks with selective unlocking to Dr Door Unlock by using the customization 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.
Is the check result normal?
Go to Step 5.
(Does not work by means of keyless entry function) : Go to Step 3.
(Does not work by means of door entry function) : Go to Step 4.
(Does not work by means of either functions) : Go to Step 5.
 
STEP 3. Keyless entry function 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 liftgate are unlocked.
Does the keyless entry function work normally?
Go to Step 5.
(Only the driver's door is not unlocked) : Replace ETACS-ECU.
(The driver's door, front passenger's door, rear doors, and liftgate 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 liftgate are unlocked.
Does the door entry function work normally?
Go to Step 5.
(Only the driver's door is not unlocked) : Replace ETACS-ECU.
(The driver's door, front passenger's door, rear doors, and liftgate 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.
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.