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fluorescent display (VFD) and function switches. The • Average miles per gallon (ECO) • Distance to empty (DTE) • Instant miles per gallon (ECO) • Trip odometer (ODO) • Elapsed time (ET) • Blank CMTC to change to the Compass/Temperature dis- OPERATION The Compass Mini-Trip Computer (CMTC) module in the overhead console has buttons used to select When the ignition switch is first turned to the RUN position the CMTC display; • Blanks momentarily • All segments of the VFD will light for one sec- ond • Blanks momentarily • Returns to the last mode setting selected before the ignition was last switched OFF. DIAGNOSIS AND TESTING COMPASS MINI-TRIP COMPUTER Any diagnosis of the compass mini-trip com- puter should begin with the use of the DRB III t diagnostic tool. For information on the use of t, refer to the appropriate Diagnos- tic Procedures information. Compass Mini-Trip Computer (CMTC) data is obtained from the Body Control Module (BCM) on REMOVAL (1) Disconnect and isolate the battery negative cable. (2) Remove overhead console (Refer to 8 - ELEC- TRICAL/OVERHEAD CONSOLE - REMOVAL). (3) Remove the screws holding Compass Mini-Trip Computer (CMTC) module in the overhead console. (4) Remove CMTC module from the console assem- bly. INSTALLATION (1) Position the compass mini-trip computer (CMTC) module in the overhead console. (2) Install the ten screws holding the CMTC mod- ule in the overhead console. (3) Install the overhead console (Refer to 8 - ELECTRICAL/OVERHEAD CONSOLE - INSTALLA- (4) Connect the battery negative cable. NOTE: If a new CMTC module has been installed, UNIVERSAL TRANSMITTER DESCRIPTION A Universal Transmitter transceiver is available on some vehicles. The universal transmitter transceiver Each of the three universal transmitter push but- tons controls an independent radio transmitter chan- The electronics module displays messages and a small house-shaped icon with one, two or three dots RS MESSAGE SYSTEMS 8M - 9 COMPASS/MINI-TRIP COMPUTER (Continued) |