Page 248 - Foton Workshop Manual - Aumark (BJ1099)
P. 248

11-22            ENGINE CONTROL SYSTEM - COOLANT TEMPERATURE SENSOR

           OVERHAUL



                                                      1.      Check coolant temperature sensor
                                                       (a).   Soak temperature sensing part of coolant
                                                              temperature sensor to hot water,measure
                                 2
                              1    3                          the resistance between No.1 and No.3
                                                              terminal of coolant temperature sensor by
                                                              multimeter.
                                                       (b).   If the measuring result does not conform to
                                                              standard, the coolant temperature sensor
                                                              shall be replaced.

                           Ω                                Measurement                  Standard
                                                               condition              resistance(kΩ)

                                         fuwx11008               20℃                       2.1~2.7

                                                                 100℃                      0.3~0.4
                                                           NOTICE:
                                                      Put working area of sensor into water, upon
                                                      simulating detection, do not let water enter into
                                                      binding post. After the checkup, the sensor shall
                                                      be wiped dry immediately.
                                                           NOTICE:
                                                       • Upon checkup, the sensor connector shall be
                                                        disconnected, and the resistance at sensor side
                                                        shall be detected by multimeter.
                                                       • If the checkup does not conform to provision, the
                                                        coolant temperature sensor shall be replaced.




































                                                                                                      Page 248
   243   244   245   246   247   248   249   250   251   252   253