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 MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 110 (ENGINE CONTROLS - SELF-DIAGNOSTICS)DIAGNOSTIC TESTSDTC P0617: STARTER RELAY CIRCUIT HIGHDIAGNOSIS & REPAIR (USING OBD-II SCAN TOOL)
2004 Toyota Matrix XR, FWD, Standard
Diagnosis & Repair (Using OBD-II Scan Tool)
2004 Toyota Matrix XR, FWD, StandardSECTION Diagnosis & Repair (Using OBD-II Scan Tool)
WARNING: This page is about a different car, the 2003 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the glove compartment door. Turn the ignition switch ON. Measure the voltage between terminal STA of the ECM connector and the body ground, while cranking the engine (ignition switch in START position) and while not engine cranking the engine (ignition switch in ON position). See Figure. If voltage is 6 volts or more (ignition switch in START position) and zero volts (ignition switch in ON position), check and replace ECM. If voltage is not to specification, go to next step.
- Check ignition switch. See appropriate STEERING COLUMN SWITCHES article. Replace ignition switch as necessary. If okay, go to next step.
- Check park/neutral position switch. See DTC P0705 OR DTC P0850 . Replace as necessary. If okay, go to next step.
- Check for open in harness and connector between ECM and park/neutral position switch. Repair 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.