CHASSIS ELECTRICAL ± Multi-center Display <Middle Grade>
54A-67
MULTI-CENTER DISPLAY <MIDDLE GRADE>
SPECIAL TOOL
Tool Number Name Use
MB990784 Ornament remover Removal of center display hood
TROUBLESHOOTING
NOTES WITH REGARD TO SERVICE PROCEDURES
1. Before removing the battery
The audio system has a large amount of data stored in memory which the user enters over time. When
the terminals are disconnected from the battery, the memory which stores this data is affected as shown
in the table below. Accordingly, it is necessary to make sure that you take notes of important information
before disconnecting the battery.
Function Input function/memory When battery is disconnected
Radio
Channels which are selected during a search
Disappear after a few seconds
Preset channels
Tone/Balance Position set on Bass, Treble, Balance and Fader
Clock set on display Current time
Keep a data for approx. one hour
Brightness set for display Position set on display
Unit set for trip computer km or mile, L/100km or mpg or km/L
Average speed on display Average speed after reset
Average fuel consumption
on display
Average fuel consumption after reset
Cruising range on display Cruising range, fuel economy
Outside temperature on
display
A temperature after the ignition switch is turned to
OFF (LOCK).
Keep a data for approx. one hour
If the engine is hot, the multi center
display might show high tempera-
ture when the display unit is
reconnected after one hour.
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