NO.3 NO SOUND FROM ALL SPEAKERS


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


STEP	INSPECTION		ACTION
1	• Press AUDIO CONT button for 1 s 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 speakers - Terminal A (LH+)-ground - Terminal C (LH-)-ground - Terminal D (RH+)-ground - Terminal F (RH-)-ground For rear door speakers - Terminal S (LH+)-ground - Terminal U (LH-)-ground - Terminal V (RH+)-ground - Terminal X (RH-)-ground - 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-ground - Terminal B-ground • Is there continuity?	Yes	Replace the speaker. (See DOOR SPEAKER REMOVAL/INSTALLATION.)
3		No	Replace the audio unit. (See CENTER PANEL MODULE REMOVAL/INSTALLATION.) (See CENTER PANEL MODULE DISASSEMBLY/ASSEMBLY.) (See AUDIO UNIT DISASSEMBLY/ASSEMBLY.)