Page 849 - Workshop Manual - Tunland (2017)
P. 849

DIAGNOSTICS - ENGINE CONTROL SYSTEM                          04-163

                 3 .    Disconnect intake mass flow sensor connector E07.                                            04
                 4 .    Disconnect connector E01 of ECM.

                                                           (e)    Use a multimeter to measure the resistance
                                                                  between the pin 1, 3, 4 of intake mass flow
                                                                  sensor connector E07 and the pin 80, 40, 22
                                                                  of ECM connector E01 respectively.

                                                                  Standard resistance
                                                            Multimeter connection
                                                                                           Standard value
                                                                       pin
                                                             E07(1)- E01(86)                    <10 Ω

                                                             E07(3)- E01(40)                    <10 Ω
                                                             E07(4)- E01(22)                    <10 Ω




                                                           (f)    Use a multimeter to measure the resistance
                                                                  between the pin 1, 3, 4 of intake mass flow
                                                                  sensor connector E07 and the ground
                                                                  respectively.
                                                                  Standard resistance

                                                            Multimeter connection
                                                                                           Standard value
                                                                       pin

                                                               E07(1)- ground                 > 10 MΩ
                                                               E07(3)- ground                 > 10 MΩ

                                                               E02(4)- ground                 > 10 MΩ




                 Is the inspection result normal?
                 YES>To step 6.

                 No > Maintain or replace the harness.

                 6 .    Replace the intake mass flow sensor
                 (a)    Replace the intake mass flow sensor.
                 (b)    Use a diagnostic apparatus to perform DTC verification procedures.
                 (c)    Implement the steps to read sensor data stream.
                 (d)    Check whether DTC exists.

                 Is the inspection result normal?
                 YES>Replace the intake mass flow sensor.
                 NO >To step 7.


                 7 .    Check the power circuit of the turbocharger actuator
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