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 106 (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 GS 300. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the ECM hood. Turn the ignition switch ON. Measure voltage between terminal STA of the ECM connector E6 and body ground during engine cranking. See Fig 1. If 6 volts or more are present with ignition switch in START position, and no voltage is present with ignition switch in ON position, system is okay. Problem is intermittent. If not, go to next step.
- Check ignition switch. See STEERING COLUMN SWITCHES article in ACCESSORIES & EQUIPMENT. Repair as necessary. If okay, go to next step.
- Check park/neutral position switch. See DTC P0705: PARK/NEUTRAL POSITION SWITCH MALFUNCTION . Replace switch as necessary. If okay, go to next step.
- Check for open in harness and connector between ECM and park/neutral position switch. See Fig 1. Repair as necessary. If okay, 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.