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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 936 (AUDIO SYSTEM & VIDEO SYSTEM)AUDIO/VIDEODIAGNOSIS AND TESTING - AUDIO/VIDEOAUDIO SYSTEM DIAGNOSIS

2004 Toyota Matrix XR, FWD, Standard

Audio System Diagnosis

2004 Toyota Matrix XR, FWD, StandardSECTION Audio System Diagnosis

WARNING: This page is about a different car, the 2004 Chrysler Pacifica. However, it is still accessible from the selected car via links, so may be relevant.

AUDIO SYSTEM DIAGNOSIS

CONDITION	POSSIBLE CAUSE	CORRECTION
NO AUDIO.	1. FUSE FAULTY.	1. CHECK RADIO FUSES IN INTEGRATED POWER MODULE (IPM). REPLACE FUSES, IF REQUIRED.
	2. RADIO CONNECTOR FAULTY.	2. CHECK FOR LOOSE OR CORRODED RADIO CONNECTOR. REPAIR, IF REQUIRED.
	3. WIRING FAULTY.	3. CHECK FOR BATTERY VOLTAGE AT RADIO CONNECTOR. REPAIR WIRING, IF REQUIRED.
	4. GROUND FAULTY.	4. CHECK FOR CONTINUITY BETWEEN RADIO CHASSIS AND A KNOWN GOOD GROUND. THERE SHOULD BE CONTINUITY. REPAIR GROUND, IF REQUIRED.
	5. RADIO FAULTY.	5. EXCHANGE OR REPLACE RADIO, IF REQUIRED.
	6. SPEAKERS FAULTY.	6. PERFORM DIAGNOSIS ON SPEAKER. REPLACE AS NECESSARY.
NO DISPLAY.	1. FUSE FAULTY.	1. CHECK RADIO FUSES. REPLACE FUSES, IF REQUIRED.
	2. RADIO CONNECTOR FAULTY.	2. CHECK FOR LOOSE OR CORRODED RADIO CONNECTOR. REPAIR, IF REQUIRED.
	3. WIRING FAULTY.	3. CHECK FOR BATTERY VOLTAGE AT RADIO CONNECTOR. REPAIR WIRING, IF REQUIRED.
	4. GROUND FAULTY.	4. CHECK FOR CONTINUITY BETWEEN RADIO CHASSIS AND A KNOWN GOOD GROUND. THERE SHOULD BE CONTINUITY. REPAIR GROUND, IF REQUIRED.
	5. RADIO FAULTY.	5. EXCHANGE OR REPLACE RADIO, IF REQUIRED.
NO MEMORY.	1. FUSE FAULTY.	1. CHECK IGNITION-OFF DRAW FUSE. REPLACE FUSE, IF REQUIRED.
	2. RADIO CONNECTOR FAULTY.	2. CHECK FOR LOOSE OR CORRODED RADIO CONNECTOR. REPAIR, IF REQUIRED.
	3. WIRING FAULTY.	3. CHECK FOR BATTERY VOLTAGE AT RADIO CONNECTOR. REPAIR WIRING, IF REQUIRED.
	4. GROUND FAULTY.	4. CHECK FOR CONTINUITY BETWEEN RADIO CHASSIS AND A KNOWN GOOD GROUND. THERE SHOULD BE CONTINUITY. REPAIR GROUND, IF REQUIRED.
	5. RADIO FAULTY.	5. EXCHANGE OR REPLACE RADIO, IF REQUIRED.
POOR RADIO RECEPTION.	1. ANTENNA OR CABLE FAULTY.	1. REFER TO . REPAIR OR REPLACE ANTENNA, IF REQUIRED.
	2. GROUND FAULTY.	2. CHECK FOR CONTINUITY BETWEEN RADIO CHASSIS AND A KNOWN GOOD GROUND. THERE SHOULD BE CONTINUITY. REPAIR GROUND, IF REQUIRED.
	3. RADIO FAULTY.	3. EXCHANGE OR REPLACE RADIO, IF REQUIRED.
	4. POOR ANTENNA CONNECTION AT RADIO OR IN LINE.	4. VERIFY PROPER CONNECTION.
NO/POOR TAPE OPERATION.	1. FAULTY TAPE.	1. INSERT KNOWN GOOD TAPE AND TEST OPERATION.
	2. FOREIGN OBJECTS BEHIND TAPE DOOR.	2. REMOVE FOREIGN OBJECTS AND TEST OPERATION.
	3. DIRTY CASSETTE TAPE HEAD.	3. CLEAN HEAD WITH MOPAR CASSETTE HEAD CLEANER.
	4. FAULTY TAPE DECK.	4. EXCHANGE OR REPLACE RADIO, IF REQUIRED.
NO COMPACT DISC OPERATION	1. FAULTY CD.	1. INSERT KNOWN GOOD CD AND TEST OPERATION.
	2. FOREIGN MATERIAL ON CD.	2. CLEAN CD AND TEST OPERATION.
	3. CONDENSATION ON CD OR OPTICS.	3. ALLOW TEMPERATURE OF VEHICLE INTERIOR TO STABILIZE AND TEST OPERATION.
	4. FAULTY CD PLAYER.	4. EXCHANGE OR REPLACE RADIO, IF REQUIRED.
HEADPHONES WILL NOT HOLD A CHANNEL OR HAVE STATIC	1. WEAK BATTERIES IN THE HEADPHONES.	1. REPLACE BATTERIES.
HEADPHONES WILL NOT HOLD A CHANNEL OR HAVE STATIC	2. CLOSENESS TO RADIO TRANSMITTER SUCH AS A RADIO TOWER, AIRPORT TRANSMITTER OR SOME MOBILE RADIOS.	2. MOVE TO AN AREA AWAY FREE FROM THESE CONDITIONS.
REMOTE CONTROL INOPERATIVE	1. WEAK BATTERIES IN THE REMOTE CONTROL.	1. REPLACE BATTERIES.

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.