Page 321 - Foton Workshop Manual - Tunland (AT)
P. 321

DIAGNOSTICS - ENGINE CONTROL SYSTEM                          04-175

                 (a)    Ignition switch: OFF.
                 (b)    Disconnect the battery negative cable.
                 (c)    Disconnect connector E02 of crankshaft position sensor.
                 (d)    Disconnect connector E01 of ECM.

                                                           (e)    Use a multimeter to measure the resistance
                                                                  between the pin 2, 3 of crankshaft position        04
                                                                  sensor connector E02 and the pin 14, 38 of
                                                                  ECM connector E01 respectively.
                                                                  Standard resistance

                                                            Multimeter connection
                                                                                           Standard value
                                                                       pin

                                                             E02(2)- E01(14)                    <10 Ω

                                                             E02(3)- E01(38)                    <10 Ω






                                                           (f)    Use a multimeter to measure the resistance
                                                                  between the pin 2, 3 of crankshaft position
                                                                  sensor connector E02 and the ground
                                                                  respectively.
                                                                  Standard resistance

                                                            Multimeter connection          Standard value
                                                                       pin

                                                               E02(2)- ground                 > 10 MΩ
                                                               E02(3)- ground                 > 10 MΩ







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

                 No > Maintain or replace the harness.

                 4 .    Replace the crankshaft position sensor
                 (a)    Replace the crankshaft position 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 crankshaft position sensor
                 NO >To step 5.






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