Service Data: 2ZZ-GE

2004 Toyota Matrix XR, FWD, StandardSECTION 2ZZ-GE
Service Data Emission Control System 2ZZ-GE

Oxyzen sensor    
Resistance HT - +B 11 to 16 Ω
VSV for Pressure switching valve    
Resistance at 20°C (68°F) 37 to 44 Ω
Vacuum switching valve No.1    
Resistance at 20°C (68°F) 27 to 33 Ω
Vacuum switching valve assy No. 1    
Resistance at 20°C (68°F) 25 to 30 Ω
Pressure sensor    
Voltage AIP - E2 1.0 to 2.2 V
Air pump relay    
Continuity 1 - 2 Continuity
  3 - 4 No continuity
  3 - 4 (Apply battery voltage to terminal 1 and 2) Continuity
Vacuum switching valve assy    
Resistance at 20°C (68°F) 33 to 39 Ω
RENDER: 1.0x

NO RELATED

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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.