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 1 (ENGINE CONTROLS - REMOVAL, OVERHAUL, INSTALLATION)IGNITION SYSTEMCAMSHAFT POSITION (CMP) SENSORREMOVAL (SC300)
2004 Toyota Matrix XR, FWD, Standard
Removal (SC300)
2004 Toyota Matrix XR, FWD, StandardSECTION Removal (SC300)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2000 Lexus SC 400, 2000 Lexus SC 300, 2000 Lexus RX 300, 2000 Lexus LX 470, and 2000 Lexus LS 400. However, it is still accessible from the selected car via links, so may be relevant.
- Drain engine coolant. Remove bolt from oil dipstick guide. Remove engine oil dipstick guide along with dipstick. Remove "O" ring from dipstick guide. Remove bolt from A/T oil dipstick guide. Pull out A/T oil dipstick guide and dipstick from A/T oil dipstick tube. Remove "O" ring from dipstick guide.
- Remove bolt, and disconnect engine wiring harness protector from air intake chamber. Disconnect brake booster vacuum hose from intake chamber. Remove intake air connector-to-air intake chamber bolts and nuts. Disconnect power steering air hose from air intake chamber. See Figure.
- Disconnect ACIS actuator vacuum hose. Disconnect No. 2 pipe vacuum hose. Disconnect Data Link Connector (DLC) No. 1 from air intake chamber. Remove bolts, nuts, air intake chamber and gaskets. Remove vacuum control valve set and No. 2 vacuum pipe. Remove upper (No. 3) timing belt cover. Disconnect air assist hose from intake manifold. Disconnect water by-pass hose from throttle body.
- Disconnect ground straps from intake manifold. Disconnect throttle position sensor and fuel injector connectors. Disconnect CMP and knock sensor connectors. Disconnect starter connector. Disconnect oil level sensor and ACIS vacuum switching valve connectors.
- Disconnect engine wiring harness clamps from intake manifold. Remove nuts, and disconnect engine wiring harness protector from intake manifold. Remove fuel pulsation damper and upper gasket. Remove power steering pump rear stay. Disconnect starter wiring harness from intake manifold stay.
- Remove bolts and intake manifold stay. Remove bolts, nuts and intake manifold. Remove fuel rail assembly and gasket. Remove bolts and CMP sensor.
RENDER: 1.0x
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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.