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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1 (ENGINE CONTROLS - REMOVAL, OVERHAUL, INSTALLATION)IGNITION SYSTEMCAMSHAFT POSITION (CMP) SENSORREMOVAL (GS300)
2004 Toyota Matrix XR, FWD, Standard

Removal (GS300)

2004 Toyota Matrix XR, FWD, StandardSECTION Removal (GS300)
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.
NOTE: On ES300 & RX300, Camshaft Position (CMP) sensor is also known as Variable Valve Timing (VVT) sensor. For VVT sensor removal and installation, see VARIABLE VALVE TIMING SENSOR .
  1. Camshaft Position (CMP) sensor is located at left rear intake side of cylinder head. Drain engine coolant. Disconnect engine wiring harness clamp and bolt from engine oil dipstick guide. Remove engine oil dipstick guide along with dipstick. Remove "O" ring from dipstick guide.
  2. Disconnect engine wiring harness clamp and bolt from A/T oil dipstick guide. See Figure. Pull out A/T oil dipstick guide and dipstick from A/T oil dipstick tube. Remove "O" ring from dipstick guide.
  3. Disconnect noise filter connector. See Figure. Disconnect engine wiring harness clamp from bracket. Remove bolt, bracket and noise filter. Remove intake air connector-to-air intake chamber bolts and nuts.
  4. Disconnect power steering air, No. 2 vacuum pipe, and ACIS actuator hoses. See Figure. Disconnect accelerator cable. Remove bolt and accelerator cable clamp. Disconnect EVAP hose. Remove bolt and clamp. Remove air intake chamber and gaskets. Disconnect ACIS vacuum switching valve connector.
  5. Remove nuts, vacuum control valve set and No. 2 vacuum pipe. Disconnect engine wiring harness clamp from No. 2 vacuum pipe clamp bracket. Remove upper (No. 3) timing belt cover. Disconnect air assist hose from intake manifold. Disconnect water by-pass hose from throttle body. Disconnect ground terminals from intake manifold. Disconnect throttle position sensor and injector connectors. Disconnect CMP sensor connector. Disconnect knock sensors and starter connectors.
  6. Disconnect engine wiring harness clamp from intake manifold clamp bracket. Remove nuts and disconnect engine wiring harness protector from intake manifold. Release fuel pressure. See FUEL SYSTEM PRESSURE RELEASE  under FUEL SYSTEM. Remove fuel pressure pulsation damper. See FUEL PRESSURE PULSATION DAMPER  under FUEL SYSTEM.
  7. Remove power steering pump rear stay. Disconnect starter wiring from manifold stay. Remove bolts and 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.