Enabling/Disabling the Hazard Answerback Function

The hazard answerback function can be enabled or disabled by one of the two following procedures.






1. Enter the hazard answerback customize mode by observing one of the following steps. If the ETACS-ECU enters the customize mode, its tone alarm will sound once.




1. Connect scan tool MB991502 to the data link connector terminal (1).
2. Turn the ignition switch to "LOCK" (OFF) position.
3. Close the driver's side door.
4. Leave the windshield washer switch on for at least ten seconds. Then the ETACS-ECU tone alarm will sound once.

2. If the transmitter "LOCK" switch is pushed consecutively twice (within two seconds), the ETACS-ECU tone alarm will sound, indicating that the hazard answerback function can be enabled or disabled when the doors are locked.
- Enable the hazard answerback function when the doors are locked: The ETACS-ECU tone alarm will sound once.
- Disable the hazard answerback function when the doors are locked: The ETACS-ECU tone alarm will sound twice.

3. If the transmitter "UNLOCK" switch is pushed consecutively twice (within two seconds), the ETACS-ECU tone alarm will sound, indicating that the hazard answerback function can be enabled or disabled when the doors are unlocked.
- Enable the hazard answerback function when the doors are unlocked: The ETACS-ECU tone alarm will sound once.
- Disable the hazard answerback function when the doors are unlocked: The ETACS-ECU tone alarm will sound twice.

4. Exit the hazard answerback customize mode by observing one of the following steps.
1. Disconnect scan tool MB991502 from the data link connector, or disconnect data link connector terminal (1) form the ground.
2. Turn the ignition switch to position other then "LOCK" (OFF), or remove the ignition key.
3. Open the driver's side door,

NOTE: If any operation is not done for at least three minutes after the ETACS-ECU has entered the customize mode, the hazard answerback customize mode will be canceled automatically.



1. Remove the ignition key.
2. Push the "LOCK" switch while holding the "UNLOCK" switch pushed for four to ten seconds.
3. If the "LOCK" switch and "UNLOCK" switch are released in that order, the ETACS-ECU tone alarm will sound, indicating that the hazard answerback function can be enabled or disabled when the doors are locked.
- Enable the hazard answerback function when the doors are locked: The ETACS-ECU tone alarm will sound once.
- Disable the hazard answerback function when the doors are locked: The ETACS-ECU tone alarm will sound twice.

4. If the "UNLOCK" switch and "LOCK" switch are released in that order, the ETACS-ECU tone alarm will sound, indicating that the hazard answerback function can be enabled or disabled when the door are unlocked.
- Enable the hazard answerback function when the doors are unlocked: The ETACS-ECU tone alarm will sound once.
- Disable the hazard answerback function when the doors are unlocked: The ETACS-ECU tone alarm will sound twice.