Page 483 - Foton Workshop Manual - Tunland (AT)
P. 483

DIAGNOSTICS - ENGINE CONTROL SYSTEM                          04-337

                                                           (e)    Use a multimeter to measure the resistance
                                                                  between the pin 1, 3, 4 of EGR valve
                                                                  connector E18 and the pin 29, 96, 66 of ECM
                                                                  connector E01respectively.

                                                                  Standard resistance

                                                            Multimeter connection                                    04
                                                                                           Standard value
                                                                       pin
                                                             E18(1)- E01(29)                    <10 Ω

                                                             E18(3)- E01(96)                    <10 Ω

                                                             E18(4)- E01(66)                    <10 Ω




                                                           (f)    Use a multimeter to measure the resistance
                                                                  between the pin 1, 3, 4 of EGR valve
                                                                  connector E18 and the ground respectively.
                                                                  Standard resistance

                                                            Multimeter connection
                                                                                           Standard value
                                                                       pin

                                                               E18(1)- ground                 > 10 MΩ

                                                               E18(3)- ground                 > 10 MΩ

                                                               E18(4)- ground                 > 10 MΩ





                 Is the inspection result normal?
                 YES>To step 5.

                 No > Maintain or replace the harness.

                 5 .    Check intake mass flow sensor circuit
                 (a)    Ignition switch: OFF.
                 (b)    Disconnect the battery negative cable.
                 (c)    Disconnect intake mass flow sensor connector E07.
                 (d)    Connect the battery negative cable.
                 (e)    Ignition switch: ON.




















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