Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Subaru Legacy 1995-1999 Approved Subaru Legacy 1997 1997 Service Manual MECHANICAL COMPONENTS SECTION HEATER AND VENTILATOR MSA5TCD97L3731

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MSA5TCD97L3731


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   SERVICE PROCEDURE                                                 4-6
                                                            4. Control Unit


           4. Control Unit
           A: REMOVAL
           1) Disconnect GND cable from battery.
           2) Set temperature control lever to "FULL COLD" position.
           3) Remove temperature control cable from heater unit.
           NOTE:
           Do not attempt to move link of heater unit during installa-
           tion.
 B5M0027


           4) Remove cup holder.
           5) Remove center panel and then disconnect connector.




 B4M0370


           6) Remove control unit assembly and disconnect connec-
           tor.




 B4M0059


           B: INSPECTION
           1. FAN SWITCH
           Check continuity between terminals at each switch posi-
           tion.
            Switch                      Terminals
            position    1      2       3        4       5           6
               1       k       k                                    k
               2       k               k                            k
B4M0060A
               3       k                        k                   k
               4       k                                k           k
                       GND                                         IGN




                   9
4-6                  SERVICE PROCEDURE
4. Control Unit


                             2. CONTROL UNIT
                             Check circuit continuity between each terminal, when push
                             control switch is turned ON.
                                                Mode selector switch         RECIRC switch
                             Terminal                                                         A/C     Illumi.
                                No.                            DEF/                          switch
                                        VENT   BI-LEV   HEAT           DEF   RECIRC FRESH
                                                               HEAT

                                1

                                2

                                3                                                                       k
                  B4M0061A
                                4

                                5                                      k

                                6                        k       k

                                7        k       k

                                8        k       k       k       k     k       k       k

                                9                                                      k

                                10                                             k

                                11                                                                      k

                                12       k       k       k       k     k

                                13

                                14                               k     k

                                15               k       k

                                16       k

                                17                                                             k

                                18                                                             k

                                19                                                             k




                             C: ADJUSTMENT
                             1) Operate temperature control lever to "FULL COLD"
                             position.
                             2) Install control cable to lever k . While pushing outer
                                                                1
                             cable, secure control cable with clip k .
                                                                   2




                  B4M0062A


                             D: INSTALLATION
                             Installation is in the reverse order of removal.
                             NOTE:
                             Before control unit installation, set temperature control
                             lever to "FULL COLD" position.




                                        10



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