NO.3 NO SOUND FROM ALL SPEAKERS[ENTIRE AUDIO SYSTEM]

id0903e2803200

3

No sound from all speakers/Possible DTC: 00:Er10, 03:Er07, 03:Er10, 09:Er20, 09:Er21

Troubleshooting hints

•  Speaker malfunction (e.g., foreign material penetration, damage)

•  Audio unit malfunction

•  Short circuit in wiring harness between audio unit and speaker

•  Short circuit inside speaker

3	No sound from all speakers/Possible DTC: 00:Er10, 03:Er07, 03:Er10, 09:Er20, 09:Er21
Troubleshooting hints • Speaker malfunction (e.g., foreign material penetration, damage) • Audio unit malfunction • Short circuit in wiring harness between audio unit and speaker • Short circuit inside speaker

Diagnostic procedure

STEP	INSPECTION		ACTION
1	• Press AUDIO CONT button for 2 second or more. • Play the CD or Radio. • Adjust the volume between ”10” and “15”. • Is there sound?	Yes	The system is normal.
1		No	Go to the next step.
2	• Turn the ignition switch to the LOCK position. • Remove the audio unit. • Disconnect the audio connector (24-pin). • Inspect the continuity between the audio unit wiring harness-side connector terminal and ground: For front door speaker ― Terminal A (L+) — GND ― Terminal C (L-) — GND ― Terminal D (R+) — GND ― Terminal F (R-) — GND For rear door speaker ― Terminal S (L+) — GND ― Terminal U (L-) — GND ― Terminal V (R+) — GND ― Terminal X (R-) — GND ― Is there continuity?	Yes	Repair or replace the suspect 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 inside the audio unit operates to cut the sound.
2		No	Go to the next step.
3	• Remove the speaker. • Disconnect the speaker connector (2-pin). • Inspect the continuity between the speaker wiring harness-side connector (2-pin) terminal and ground: For each speaker ― Terminal A — GND ― Terminal B — GND • Is there continuity?	Yes	Replace the speaker. (See FRONT DOOR SPEAKER REMOVAL/INSTALLATION.) (See REAR DOOR SPEAKER REMOVAL/INSTALLATION.) (See FRONT TWEETER REMOVAL/INSTALLATION.) (See WOOFER REMOVAL/INSTALLATION.)
3		No	Replace the audio unit. (See CENTER PANEL UNIT REMOVAL/INSTALLATION.) (See CENTER PANEL UNIT DISASSEMBLY/ASSEMBLY.) (See AUDIO UNIT DISASSEMBLY/ASSEMBLY.)