Page 480 - Workshop Manual - Tunland (2017)
P. 480

04-342                           DIAGNOSTICS - AUDIO SYSTEM

                                                      (a)    Use a multimeter to measure the resistance
                                                             between pin 1 to pin 8 of connector C045 of
                                                             acoustics unit and the ground.
                                                             Standard resistance (check whether there
                                                             is short circuit)

      04                                               Multimeter connection          Standard value

                                                          C045(1) - ground                >1 MΩ
                                                          C045(2) - ground                >1 MΩ

                                                          C045(3) - ground                >1 MΩ

                                                        C045(4) - ground                  >1 MΩ

                                                          C045(5) - ground                >1 MΩ
                                                          C045(6) - ground                >1 MΩ

                                                          C045(7) - ground                >1 MΩ

                                                          C045(8) - ground                >1 MΩ



           Check whether the result is normal?
           Yes> go to step 5.

           No >Repair the to-ground short circuit of signal circuits of speakers.

           5 .    Check the signal circuits of speakers for short circuit

                                                      (a)    Ignition Switch: ON.
                                                      (b)    (b) Use a multimeter to measure the voltage
                                                             between pin 1 to 8 of connector C045 of
                                                             acoustics unit and the ground.

                                                             Standard voltage

                                                       Multimeter connection          Standard value
                                                          C045(1) - ground                  0 V

                                                          C045(2) - ground                  0 V
                                                          C045(3) - ground                  0 V

                                                          C045(4) - ground                  0 V

                                                          C045(5) - ground                  0 V
                                                          C045(6) - ground                  0 V

                                                          C045(7) - ground                  0 V
                                                          C045(8) - ground                  0 V



           Check whether the result is normal?
           Yes > Replace the CD/DVD acoustics unit
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