Keyless Entry System: General Description
- Antenna and receiver are incorporated in the ETACS-ECU.
- ID code can be registered by using scan tool MB991958 (M.U.T.-III sub assembly).
- Transmitter is integrated into the master key, which incorporates lock button, unlock 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 the liftgate will be unlocked. The adjustment function also allows you to open all the doors and liftgate by pressing the unlock button only once. For further details on using the multi-center display (middle grade type) to adjust the unlock operation, see ON-VEHICLE SERVICE .
- When the transmitter is operated, the answerback function will work as follows:ITEM OPERATION CHART
Item Operation Doors and liftgate locked Doors and liftgate unlocked Dome light, reading lights, door lights, rear personal lights, cargo area 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 locked - - The answerback operation can be altered as follows:NOTE: Enabling/disabling the hazard warning light flashing, the horn sounding in accordance with the answerback function. For further details on using the transmitter to adjust answerback, see the section below ENABLING/DISABLING THE ANSWERBACK FUNCTION . For further details on using the multi-center display (middle grade type) to adjust answerback, see ON-VEHICLE SERVICE .ADJUSTMENT CHART
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 or liftgate is opened or the ignition key is not inserted in the ignition switch within 30 seconds after the doors and liftgate are unlocked using the transmitter, the ETACS-ECU will relock the doors and liftgate automatically. This is called "Timer lock function." This timer lock function prevents accidental unlocking of doors and the liftgate. The adjustment function allows you to change the timer lock period from 30 seconds (default setting) to 60, 120 or 180 seconds. For further details on using the multi-center display (middle grade type) to adjust the timer lock period, see
ON-VEHICLE SERVICE
.NOTE: The timer lock period begins when the doors and liftgate are unlocked, and ends when the doors and liftgate is relocked automatically.