Page 236 - Foton Workshop Manual - Auman EST-M
P. 236

DI - 182             Diagnosis - Diagnosis-fault diagnosis of electronic and electrical parts

              Fan speed regulation abnormal
              Circuit diagram


                  Ignition switch           Battery                                      Battery
                     IG2

                      Black - Blue                                                         White
                                               Black




                                                             Instrument
                                                             fuse box
                                                                                                     Frame
                                                                                                     fuse box
                                IG2                Blower
                                relay              relay                                       Compr
                                                                                               essor
                                                                                               relay

                                                          Red
                                               Black - Green
                            To dipped headlight
                            relay R09-87 of
                            instrument panel
                            fuse box             Blowers
                                                          Red
                                                                                           Green - blue
                      White
                      - black                  Red  Fan speed                         White
                           Black -       Blue
                                         - white   regulating                         - black
                           Blue                                                Red -
                                                  resistance B056
                                                                               Blue
                                  Green
                                                                                                Compressor
                                               Red   Blue   Blue -  Blue - red
                                                         yellow


                       IG2 power   Backlight   Fan relay High   Secondary  Intermed Low speed
                       supply   lamp power   control  speed gear  high-speed  iate gear  gear
                              supply             gear      control
                                                                         AC
                                                                         controller
                   Circulation  Circulation   Evaporator      A/C switch
                   motor +   motor -   temperature signal  Sensor ground  Grounding   request signal




                                                                   Yellow - blue
                       Red -   Red - Yellow   White- red
                                                                               Red -
                       Blue
                                                                               Blue
                                                         White -        AC
                                          Evaporator     black          pressure
                                                                        switch
                                          temperature               High and low   voltage switch
                                          sensor

                                         White-
                                         green
                     Internal and external
                     circulation motor B055









                                                          DI-182
   231   232   233   234   235   236   237   238   239   240   241