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SYMPTOM TROUBLESHOOTING [ENTIRE AUDIO SYSTEM] 09-03D–13 09-03D End Of Sie 8 • Turn the ignition switch to LOCK position. • Disconnect the audio amplifier connector (40-pin). • Inspect the continuity between the audio amplifier connector and ground: For front speaker — Terminal 2A (40-pin, FRONT IP L SP-)— GND — Terminal 2B (40-pin, FRONT IP L SP+)— GND — Terminal 2F (40-pin, FRONT IP R SP-)— GND — Terminal 2D (40-pin, FRONT IP R SP+)— GND For front door speaker — Terminal 2N (40-pin, FRONT DOOR L SP-)— GND — Terminal 2I (40-pin, FRONT DOOR L SP+)— GND — Terminal 2M (40-pin, FRONT DOOR R SP-)— GND — Terminal 2R (40-pin, FRONT DOOR R SP-)— GND For rear door speaker — Terminal 2G (40-pin, REAR DOOR L SP- )— GND — Terminal 2I (40-pin, REAR DOOR L SP+)— GND — Terminal 2E (40-pin, REAR DOOR R SP- )— GND — Terminal 2C (40-pin, REAR DOOR R SP+)— GND For rear speaker — Terminal 2J (40-pin, D-PILLAR L SP-)— GND — Terminal 2H (40-pin, D-PILLAR L SP+)— GND — Terminal 1F (40-pin, D-PILLAR R SP-)— GND — Terminal 1H (40-pin, D-PILLAR R SP+)— GND For center speaker — Terminal 1E (40-pin, DASH CENTER -)— GND — Terminal 1G (40-pin, DASH CENTER +)— GND • Is there continuity? Yes Repair or replace the related wiring harness or speaker unit. Note • If there is a short circuit between the speaker harness or speaker lead wire and ground, the protector circuit No Go to the next step. 9 • Remove the suspect speaker. • Disconnect the speaker connector (2-pin) and inspect the resistance of speaker. Speaker resistance + wiring resistance Note • If the speaker lead wire contacts to either ground or vehicle frame, replace Yes Replace the audio amplifier. No Replace the speaker. STEP INSPECTION ACTION 1871-1U-06B(09-03D).fm 13 ページ 2006年3月15日 水曜日 午前11時45分 |