Page 447 - Foton Workshop Manual - Auman EST-M
P. 447

Diagnosis - Diagnosis-fault diagnosis of electronic and electrical parts   DI - 393

              5. Check the power circuit from horn relay to horn switch                                           IN

              a. Ignition switch: LOCK.
              b. Disconnect the electric horn connector F009.                                                     DI
              c.Ignition switch: ON.

                                                        d.  Take  a  multimeter  voltage  gear  to  measure  the  voltage   EG
                                                        between No. 1 terminal of F009 and grounding.
                                                        Standard voltage:                                         TR

                                                         Multimeter connecting terminal   Standard value
                                                                                                                  AX
                                                               F009(1)-grounding       Storage battery voltage

                                                                                                                  FR


              Check if the result is ok?                                                                          ST
              Yes>go to Step 6.

              NO>repair or replace the harness.                                                                   BR
              6. Check horn

              a. Ignition switch: LOCK.                                                                           BW
              b. Disconnect the electric horn connector F009, use a multimeter to measure conductivity between terminals.

                                                        c. Take a multimeter to measure the continuity between No.   EL
                                                        1 and No. 2 terminal on electric horn connector B009.
                                                        Standard resistance:

                                                            Storage battery voltage      Standard value

                                                               F009(1)-F009(2)             Conduction





              Check if the result is ok?

              Yes>go to Step 7.

              No > repair or replace left/right horn.

              7. Check the horn earth circuit

              a. Ignition switch: LOCK.

              b. Disconnect the electric horn connector F009, use a multimeter to measure conductivity between terminals.











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