NO.3 NO SOUND FROM ALL SPEAKERS [AUDIO]

id0903e1803200

3

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

Troubleshooting hints

•  Speaker malfunction (e.g., any foreign material, broken)

•  Audio unit malfunction

•  Short circuit in wiring harness between audio unit and speaker

•  Short circuit inside speaker

3	No sound from all the speakers/Possible DTC: 00:Er10, 03:Er07, 03:Er10, 09:Er20, 09:Er21
Troubleshooting hints • Speaker malfunction (e.g., any foreign material, broken) • 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 more than 1 second. • Play the CD or Radio. • Adjust the volume between “10” to “15”. • Is there the sound?	Yes	The system is normal.
1		No	Go to the next step.
2	• Turn the ignition (F2, G6)/engine (WE-C, WL-3, WL-C, WLT-1, WLT-2) 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 speaker ― Terminal A (L+) — GND ― Terminal C (L-) — GND ― Terminal D (R+) — GND ― Terminal F (R-) — GND For rear speaker ― Terminal S (L+) — GND ― Terminal U (L-) — GND ― Terminal V (R+) — GND ― Terminal X (R-) — GND ― Is there a 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 the continuity?	Yes	Replace the speaker.
3		No	Replace the audio unit.