Keyless Entry System: General Description
- Antenna and receiver are incorporated in the ETACS-ECU.
- Encrypted code can be registered by using scan tool MB991958 (MUT-III sub assembly).
- The transmitter is integrated into the master key, and it consists of lock button, unlock button, liftgate button and panic button.
- When the transmitter unlock button is pressed once, the driver's door will be unlocked. If the button is pressed twice, all the doors and liftgate will be unlocked.
- When the transmitter is operated, the answerback function will work as follows:
ITEM OPERATION
| ITEM | OPERATION | |
|---|---|---|
| DOORS AND LIFTGATE LOCKED | DOORS AND LIFTGATE UNLOCKED | |
| Dome light | Flashes once | Illuminates for 15 seconds |
| Turn-signal lights (RH and LH) | Flashes once | Flashes twice |
| Horn | Sounds once when the lock button is pressed with all the doors and liftgate locked | - |
- The answerback operation can be adjusted as follows:ADJUSTMENT DETAIL
ITEM ADJUSTMENT ITEM ADJUSTMENT DETAIL Keyless entry system confirmation by turn signal lights Adjustment of hazard answerback when the transmitter is used to lock doors When adjusting hazard answerback after the doors are locked with the transmitter, the following flashing conditions can be selected. - Flash (default)
- No flash
Adjustment of hazard answerback when the transmitter is used to unlock doors When adjusting hazard answerback after the doors are unlocked with the transmitter, the following flashing conditions can be selected. - Flash (default)
- No flash
Keyless entry system confirmation by horn Adjustment of horn answerback when the transmitter is used to lock doors When adjusting horn answerback after the doors are locked with the transmitter, the following horn conditions can be selected. - Horn sounds
- Horn sounds if doors are already locked (default)
- Horn does not sound
- If none of the doors are opened or the ignition key is not inserted in the ignition switch within 30 seconds after the doors are unlocked using the transmitter, the ETACS-ECU will relock the doors automatically.NOTE: The timer lock period begins when the doors are unlocked, and ends when the doors are relocked automatically.