Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSTOYOTA2006MATRIX BASE, FWD, AUTOMATICREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTENTERTAINMENT SYSTEMSAUDIO/VISUAL SYSTEMAUDIO AND VISUAL SYSTEMDTC 01-DF MASTER ERRORDESCRIPTION

2006 Toyota Matrix Base, FWD, Automatic

DTC 01-DF Master Error: Description

2006 Toyota Matrix Base, FWD, AutomaticSECTION Description

MASTER ERROR

DTC No.	DTC Detection Condition	Trouble Area
01-DF *1	The device with a display fails and the master is switched to the audio device. Also when a communication error between sub-master (audio) and master occurs, this code is stored.	Radio receiver power source circuit AVC-LAN circuit between the radio receiver and the component which has stored this code Radio receiver Component which has stored this code

HINT:

*1: When 210 seconds have elapsed after disconnecting the power supply connector of the master component with the ignition switch in the ACC or ON position, this code is stored.

NOTE:

Before starting troubleshooting, be sure to clear DTCs to erase codes stored due to the reasons described in the HINT above. Then, check for DTCs and troubleshoot according to the output DTCs.
The radio receiver is the master unit.
Be sure to clear and recheck DTCs after the inspection is completed to confirm that no DTCs are output.

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.