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⦆ Check the communication lines for open circuit. Q:Is the wiring harness between audio amplifier connector D-127 (terminal 2, 8) and rear door speaker (RH) connector E-24 (terminal 1, 2) in good condition? YES: Check the trouble symptom, and go to Step 35. NO: The wiring harness may be damaged or the connector (s) may have loose, corroded or damaged terminals, or STEP 19. Check rear door speaker (LH) connector E-10 for Q:Is rear door speaker (LH) connector E-10 in good condition? YES: Go to Step 20. NO: Repair or replace the damaged component(s). Refer to GROUP 00E, Harness Connector Inspection P.00E-2. STEP 20. Check the rear door speaker (LH). (1) Remove the rear door speaker (LH). Refer to P.54B-170. ZC3064660000 5 volts (2) Check that the rear door speaker (LH) outputs the noise Q:Does the rear door speaker (LH) output the noise? YES: Go to Step 21. NO: Replace the rear door speaker (LH). STEP 21. Check audio amplifier connector D-127 for loose, Q:Is audio amplifier connector D-127 in good condition? YES: Go to Step 22. NO: Repair or replace the damaged component(s). Refer to GROUP 00E, Harness Connector Inspection P.00E-2. STEP 22. Check the wiring harness between audio amplifier NOTE: Also check intermediate connector D-21 for loose, corroded, or damaged terminals, or terminals pushed back in ⦆ Check the communication lines for open circuit. Q:Is the wiring harness between audio amplifier connector D-127 (terminal 1, 7) and rear door speaker (LH) connector E-10 (terminal 1, 2) in good condition? YES: Check the trouble symptom, and go to Step 35. AUDIO AND NAVIGATION SYSTEM 54B-105 DIAGNOSIS |