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MULTI-CENTER DISPLAY TSB Revision CHASSIS ELECTRICAL 54A-272 STEP 3. Check the wiring harness between radio, CD changer connector C-117 (terminal 46, 42, 41 and 47) STEP 4.Using the oscilloscope, check the M BUS line. connector C-05 and radio, CD player and CD changer (2) Connect the oscilloscope probe to terminal 10 of the multi-center display unit (middle grade type) connector by (3) Turn the ignition switch to “ACC” position. switches. Q: Is a wave pattern displayed? YES : Intermittent malfunction (Refer to GROUP 00, How to Use Troubleshooting/Inspection Service Points - How NO : Replace multi-center display unit (middle grade type) and then go to Step 6. STEP 5. Retest the system YES : The procedure is complete. go to step 6. AC305234 CONNECTORS: C-05, C-117 C-05 (B) C-117 HARNESS SIDE C-05 HARNESS SIDE C-117 41 42 43 44 45 46 47 48 49 50 BF AC209711AB C-06 HARNESS CONNETOR: OSCILLOSCOPE OSCILLOSCOPE |