Information Bus: Adjustments

ON-VEHICLE SERVICE

ADJUSTMENT PROCEDURES OF SWS FUNCTION

Required Special Tools:
- MB991223: Harness Set
- MB991529: Diagnostic Trouble Code Check Harness
- MB991958: Scan Tool (M.U.T-III Sub Assembly)
- 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 answer back function
- Headlight automatic shutdown function
- Initialization of above mentioned functions

NOTE: The keyless entry hazard answer back can be also adjusted by operating the RKE transmitter, (however, this adjustment can be done more easily by operating the transmitter.) Refer to Keyless Entry System - On-vehicle Service - Enabling/disabling the Answer back 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 enters 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 MB991958 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 any position other than "LOCK" (OFF).
- Driver's door switch: ON (driver's door opened)
- After three minutes, if an 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