Page 791 - Workshop Manual - Tunland (2017)
P. 791

DIAGNOSTICS - ENGINE CONTROL SYSTEM                          04-105

                                                           (e)    Use a multimeter to measure the resistance         04
                                                                  between the pin 1, 2 of engine fuel pump
                                                                  booster assembly connector E11 and the pin
                                                                  32, 31 of ECM connector E01 respectively.

                                                                  Standard resistance

                                                            Multimeter connection
                                                                                           Standard value
                                                                       pin
                                                             E11(1)- E01(32)                    <10 Ω

                                                             E11(2)- E01(31)                    <10 Ω







                                                           (f)    Use a multimeter to measure the resistance
                                                                  between the pin 1, 2 of engine fuel pump
                                                                  booster assembly connector E11 and the
                                                                  ground respectively.
                                                                  标准电阻

                                                            Multimeter connection
                                                                                           Standard value
                                                                       pin

                                                               E11(1)- ground                 > 10 MΩ

                                                               E11(2)- ground                 > 10 MΩ






                 Is the inspection result normal?
                 YES>To step 3.

                 No > Maintain or replace the harness.

                 3 .    Replace fuel pump booster assembly
                 (a)    Replace fuel pump booster assembly.
                 (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>To step 4.

                 NO> Replace fuel pump booster assembly.

                 4 .    Replace ECM
                 (a)    Replace ECM.
                 (b)    Use a diagnostic apparatus to perform DTC verification procedures.
                 (c)    Implement the steps to read sensor data stream.
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