Page 49 - Foton Workshop Manual - Auman EST-M
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Introduction - How to remove the vehicle faults              IN - 43


                                                        d. Repair methods for connector pins.                     IN
                                                        ● If the contact has oil dirt, be sure to use an air gun or rag
                                                        for cleaning. Don’t grind the contact with a rag, otherwise it   DI
                                                        may damage its electroplated coating.

                                                        ●  If  its  contact  pressure  is  abnormal,  replace  the  socket
                                                                                                                  EG
                                                        plug. If the male plug is gold plated at this time, be sure to
                                                        replace the gold-plated socket plug; if the male plug is silver
                     Correct              Error
                                                        plated, be sure to replace the silver-plated socket plug.   TR


                                                        e. Attentions for harness operation
                                                                                                                  AX
                                                        ● Before starting to remove the harness, be sure to check the
                                           Error
                                                        positions  of  harness  and  harness  tie  for  correct
                                                                                                                  FR
                                                        re-installation.
                                                        ● Don’t distort, pull or suspend the harness excessively.
                                                        ● Don’t make the harness contact any hot, rotating, moving,   ST
                                                        vibrating  or  sharp  part  (e.g.  panel  edge,  screw  sharp  end,
                                                        etc).
                                                                                                                  BR
                                                        ● During the installation of part, don’t squeeze or clamp the

                                                        harness.
                                                                                                                  BW
                                                        ●  Don’t  cut  or  break  the  harness  insulating  bush.  If  it’s

                                                        broken carelessly, be sure to replace the harness or wrap its
                                                        broken part with an insulated cloth.                      EL
                                                        2. Basic inspection

                                                        a. The circuit is shown in left figure. Check the conductivity
                                                        and voltage separately as per Steps (b) and (c) to confirm its
                          Broken circuit
                Sensor                                  broken circuit.







                                                        b. Conduction checking

                                                        ●  Disconnect  Connectors  A  and  C,  and  measure  the

                                                        resistance between them.
                                                        Resistance: ≤2Ω
                 Sensor
                                                                                Caution
                                                        Gently  shake  the  harness  along  the  horizontal  and
                                                        vertical directions and measure the resistance

                                                        Take this circuit as an example

                                                        Resistance between Connectors A and C: ≥1MΩ

                                                        Resistance between Connector A and Pin 2 of Connector C:

                                                        ≤2Ω

                                                        The  broken  circuit  between  Connector  A  and  Pin  1  of

                                                        Connector C can be judged from it.


                                                          IN-043
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