Page 867 - Workshop Manual - Tunland (2017)
P. 867

DIAGNOSTICS - ENGINE CONTROL SYSTEM                          04-181

                                                           (e)    Use a multimeter to measure the resistance         04
                                                                  between the pin 3, 4 of EGR valve connector
                                                                  E18 and the pin 96, 66 of ECM connector E01
                                                                  respectively.

                                                                  Standard resistance

                                                            Multimeter connection
                                                                                           Standard value
                                                                       pin
                                                             E18(3)- E01(96)                    <10 Ω

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







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

                                                            Multimeter connection
                                                                                           Standard value
                                                                       pin

                                                               E18(3)- ground                 > 10 MΩ

                                                               E18(4)- ground                 > 10 MΩ








                 Is the inspection result normal?
                 YES>To step 4.

                 No > Maintain or replace the harness.

                 4 .    Replace EGR valve
                 (a)    Replace DPF pressure 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 EGR valve.

                 NO >To step 5.

                 5 .    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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