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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 108 (ENGINE CONTROLS - SELF-DIAGNOSTICS)DIAGNOSTIC TESTSDTC P0617: STARTER RELAY CIRCUIT HIGHDIAGNOSIS & REPAIR (USING HAND-HELD TESTER)
2004 Toyota Matrix XR, FWD, Standard

Diagnosis & Repair (Using Hand-Held Tester)

2004 Toyota Matrix XR, FWD, StandardSECTION Diagnosis & Repair (Using Hand-Held Tester)
WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect the hand-held tester to the DLC3. Turn the ignition switch ON and push the hand-held tester main switch ON. Read the STA signal on the hand-held tester while the starter operates. With ignition switch on, STA signal should be off. With ignition switch in START position, STA signal should be on. If not to specification, go to next step.
  2. Check park/neutral position switch. See DTC P0705: TRANSMISSION RANGE SENSOR CIRCUIT MALFUNCTION (PRNDL INPUT) . Replace as necessary. If okay, go to next step.
  3. Turn the ignition switch ON and push the hand-held tester main switch ON. Read STA signal on the hand-held tester while the starter operates. With ignition switch on, STA signal should be off. With ignition switch in START position, STA signal should be on. If not to specification, go to next step.
  4. Check continuity between the connector terminals on ignition switch. See Fig 1. See IGNITION SWITCH CONNECTOR RESISTANCE  table. If okay, go to next step. If not okay, replace ignition switch and go to next step.
    Fig 1: Identifying Ignition Switch Connector Terminals
    G00165161Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    IGNITION SWITCH CONNECTOR RESISTANCE

    Switch Position Terminal No. Resistance
    LOCK All One Megohm Or More
    ACC 2, 3 One Ohm Or Less
    ON 2, 3, 4, 6, 7 One Ohm Or Less
    START 1, 2, 4, 6, 7, 8 One Ohm Or Less
  5. Turn the ignition switch ON and push the hand-held tester main switch ON. Read STA signal on the hand-held tester while the starter operates. With ignition switch on, STA signal should be off. With ignition switch in START position, STA signal should be on. If not to specification, go to next step.
  6. Check for open in harness and connector between ECM and starter relay. Repair harness or connector as necessary. If okay, check and replace ECM.
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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.