SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 702 (THEFT DETERRENT SYSTEM - DIAGNOSTICS)SECURITY INDICATOR CIRCUITINSPECTION PROCEDURE
2004 Toyota Matrix XR, FWD, Standard

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. INSPECT SECURITY INDICATOR LAMP ASSY 
    1. Remove the security indicator lamp.
    2. Apply 12 V positive voltage between the terminals of the indicator, and check the lighting condition of the security indicator.
      Fig 1: Removing Security Indicator Lamp
      G03050119Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard: 

      CONNECTOR TERMINAL DESCRIPTION

      Measurement Condition Specified Condition
      Battery positive (+) --> Terminal 2 Battery negative (-) --> Terminal 1 Turns on
      NOTE:
      • If the positive (+) lead and the negative (-) lead are incorrectly connected, the security indicator will not turn on. 
      • A voltage of more than 12 V will damage the security indicator. 
      • If the voltage is too low, the security indicator will not turn on. 
    1. NG : REPLACE SECURITY INDICATOR LAMP ASSY 
    2. OK : Go to Next Step. 
  2. CHECK WIRE HARNESS (SECURITY INDICATOR LAMP ASSY - BODY GROUND) 
    1. Disconnect the S7 indicator connector.
    2. Measure the resistance of the wire harness side connector.
      Fig 2: Measuring Resistance Of Wire Harness Side Connector
      G03050120Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard: 

      CONNECTOR TERMINAL DESCRIPTION

      Tester Connection Specified Condition
      S7-1 - Body ground Below 1 Ω
    1. NG : REPAIR OR REPLACE HARNESS AND CONNECTOR 
    2. OK : Go to Next Step. 
  3. CHECK WIRE HARNESS (MULTIPLEX NETWORK BODY ECU - SECURITY INDICATOR LAMP ASSY) 
    1. Disconnect the B6 ECU connector.
    2. Disconnect the S7 indicator connector.
    3. Measure the resistance of the wire harness side connectors.
      Fig 3: Measuring Resistance Of Wire Harness Side Connectors
      G03050121Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard: 

      CONNECTOR SPECIFIED CONDITION

      Tester Connection Specified Condition
      B6-24 (IND) - S7-2 Below 1 Ω
      B6-24 (IND) or S7-2 - Body ground 10 kΩ or higher
    1. NG : REPAIR OR REPLACE HARNESS AND 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.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.