Inspection Procedure

2004 Toyota Matrix XR, FWD, StandardSECTION Inspection Procedure
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.
  1. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSY - STEREO COMPONENT AMPLIFIER ASSY) 
    1. Disconnect the radio receiver assy R7 connector and stereo component amplifier assy S11 connector.
    2. Measure the resistance according to the values in SPECIFIED CONDITION  .

      Standard: 

      SPECIFIED CONDITION

      Tester connection Specified condition
      L+ (S11-3) - L+ (R7-9) Below 1 Ω
      L- (S11-2) - L- (R7-19) Below 1 Ω
      R+ (S11-5) - R+ (R7-8) Below 1 Ω
      R- (S11-4) - R- (R7-18) Below 1 Ω
      L+ (S11-3) - Body ground 10 kΩ or higher
      L- (S11-2) - Body ground 10 kΩ or higher
      R+ (S11-5) - Body ground 10 kΩ or higher
      R- (S11-4) - Body ground 10 kΩ or higher
      Fig 1: Checking Harness & Connector (Radio Receiver Assy - Stereo Component Amplifier Assy)
      G03049471Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 
    2. OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE (SEE  PROBLEM SYMPTOMS TABLE  ) 
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

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.