LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2004 >> Matrix Base, FWD, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 694 (Audio System - Diagnostics) >> Problem Symptoms Table >> Radio Receiver ASSY
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Radio Receiver ASSY

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

HINT:

Inspect the "Fuse" and "Relay" before confirming the suspected area as shown in the table below .

PROBLEM SYMPTOMS TABLE - RADIO RECEIVER ASSY

Symptom Suspected Area
Pressing power switch does not start system.
  1. 5. Power source circuit (radio receiver assy)
  2. 6. Radio receiver assy
A audio system cannot be operated.
  1. Steering pad switch circuit
  2. Radio receiver assy
No sound can be heard (Separate type amplifier).
  1. Power source circuit (stereo component amplifier assy)
  2. AMP sound signal circuit
  3. Speaker circuit
  4. AVC-LAN circuit
  5. AMP mute signal circuit
  6. Stereo component amplifier assy
  7. Radio receiver assy
No sound can be heard (Built-in type amplifier).
  1. Power source circuit (radio receiver assy)
  2. Speaker circuit
  3. Radio receiver assy
Sound quality is bad in all modes (volume is too low). (Separate type amplifier)
  1. Power source circuit (radio receiver assy)
  2. Power source circuit (stereo component amplifier assy)
  3. Speaker circuit
  4. AMP sound signal circuit
  5. Sound quality is bad in all modes (volume is too low)
Sound quality is bad in all modes (volume is too low). (Built-in type amplifier)
  1. Power source circuit (radio receiver assy)
  2. Speaker circuit
  3. Sound quality is bad in all modes (volume is too low)
Noise occurs. -
Radio broadcast cannot be received (bad reception). -
CD cannot be inserted or is ejected right after insertion.
  1. Power source circuit (radio receiver assy)
  2. CD cannot be inserted or is ejected right after insertion
CD cannot be ejected.
  1. Power source circuit (radio receiver assy)
  2. CD cannot be ejected
Sound quality is bad only when playing CD (volume is too low). -
CD sound skips. -
Cassette tape cannot be inserted or played.
  1. Power source circuit (radio receiver assy)
  2. Cassette tape cannot be inserted or played
Cassette tape cannot be ejected.
  1. Power source circuit (radio receiver assy)
  2. Cassette tape cannot be ejected
Sound quality is bad only when playing tape. -
Tape is tangled due to incorrect tape speed or auto-reverse malfunction. -
Automatic sound characteristic function does not operate normally-
  1. Convertible top open/close signal circuit
scientia non olet · About LEMON Manuals