Montero Sport LS 2WD V6-3.0L SOHC (1998)
Keyless Entry Transmitter Battery: Procedures
HOW TO REGISTER SECRET CODE
Each individual secret code is registered inside the transmitter, and so it is necessary to resister these codes with the EEPROM inside the keyless entry
receiver-ECU in the following cases.
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When the transmitter or keyless entry receiver-ECU is replaced.
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If more transmitters are to be used.
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If it appears that a problem is occurring because of faulty registration of a code.
A maximum of two different code can be stored in the memory area of the EEPROM (two different transmitters can be used). When the code for the
first transmitter is registered, the previously registered codes for two transmitters are cleared. Therefore, if you are using more than two transmitters or
are adding a second transmitter, the codes for all the transmitters must be registered at the same time.
1. Check that the doors lock normally when the key is used.
CAUTION: To prevent damage to scan tool MB991502, always turn the ignition switch to the "LOCK" (OFF) position before connecting or
disconnecting scan tool MB991502.
2. Connect scan tool MB991502 to the data link connector (16-pin).
NOTE: This will connect terminal (1) of the data link connector to ground, and the system will be in secret code registration standby mode.
3. Within 10 seconds after connecting scan tool MB991502 turn the ignition switch to "ACC" for 1 second and then to "OFF" for 1 second; repeat
this procedure three times.
NOTE: The doors will lock and unlock once at this time and the system will switch to registration mode.
4. Press the transmitter switch, and then press it two times within 10 seconds of the first press. This will register the code.
5. After registration is completed, the code will be automatically locked and unlocked once.
6. If you are using two transmitters or have added a second transmitter, the same registration procedure should be carried out for the second
transmitter, and it should be carried out within one minute after registration of the code for the first transmitter has been completed. After the
second registration is completed, the doors will be automatically locked and unlocked once.
7. Registration mode will be terminated under the following condition:
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When the secret codes for two transmitters have been registered.
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When one minute has passed after registration mode started.
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When no secret codes have been registered for more than one minute after the registration mode is entered.
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If scan tool MB991502 is disconnected (ground is released).
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If the ignition switch is turned to "ON".
