Information Bus: Adjustments
ADJUSTMENT PROCEDURES OF SWS FUNCTIONRequired Special Tools:
- MB991223: Test Harness Set
- MB991502: Scan Toll (MUT-II)
- 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 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 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 MB991502 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