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Information Bus: Adjustments

ON-VEHICLE SERVICE

ADJUSTMENT PROCEDURES OF SWS FUNCTION

Required Special Tools:
- MB991223: Harness Set
- MB991958: Scan Tool (MUT-III Sub Assembly)
- MB991824: Vehicle Communication Interface (V.C.I.)
- MB991827: MUT-III USB Cable
- MB991911: MUT-III Main Harness B

- MB991529: Diagnostic Trouble Code Check Harness

The following functions can be enabled or disabled by operating input switches in a special manner. This set mode is stored after the battery is disconnected.
- Keyless entry hazard answerback function
- Headlight automatic shutdown function
- Initialization of above mentioned functions

NOTE: The keyless entry hazard answerback can be also adjusted by operating the transmitter. (however, this adjustment can be done more easily by operating the transmitter.) Refer to Keyless Entry System - On-vehicle Service - Enabling/disabling the Answerback Function.

ENTRY CONDITIONS FOR ADJUSTMENT MODE
1. Set switches to the following conditions:
- Hazard warning light switch: OFF
- Diagnosis control: ON (Connect scan tool MB991958 to the data link connector, or connect the data link connector terminal 1 to ground.)
- Key reminder switch: OFF (insert the ignition key)
- Ignition switch: "LOCK" (OFF)
- Driver's door switch: OFF (driver's door closed)

2. If the windshield washer switch remains on for 10 seconds or more, the tone alarm incorporated in the ETACS-ECU sounds once, and then enter the adjustment mode.

RELEASE CONDITIONS FOR THE ADJUSTMENT MODE
The adjustment mode will be released under one of the following conditions:
- Diagnosis control: ON (Disconnect scan tool MB991502 from the data link connector, or disconnect the data link connector terminal 1 from ground.)
- Key reminder switch: ON (ignition key removed)
- Ignition switch: Turn to the positions other than "LOCK" (OFF).
- Driver's door switch: ON (driver's door opened)
- After three minutes while the adjustment is not made (If any adjustment has been made within the three-minute period, cancel or complete the operation, and then release the adjustment mode within three minutes).
- When any other warning tone alarms sound




CONFIGURATION OF FUNCTIONS