Engine Control System Service Data Specifications (2AZ-FE)

Power steering oil pressure sennsor Voltage
	Not spin the steering wheel at engine idling	0.5 - 2.5V
	Spin the steering wheel at engine idling	2.5 - 4.5 V
Idle speed control valve assy
Movement	Ignition switch ON	Half open → fully close → fully open → half open
Intake air flow meter assy
Resistance	at -20°C (-4°F)	13.6-18.4kΩ
	at 20°C (68°F)	2.21-2.69kΩ
	at 60°C (140°F)	0.493-0.667kΩ
Camshaft timing oil control valve assy
Resistance	at 20°C (68°F)	6.9 - 7.9 Ω
Throttle position sensor
Resistance	VC - E2	2.5 - 5.0 kΩ
Water temperature sensor
Resistance	Approx. 20°C (68°F)	2.32 - 2.59kΩ
	Approx. 80°C (176°F)	0.310 - 0.326kΩ

Engine Control System Service Data Specifications (1MZ-FE)

Power steering oil pressure sennsor Voltage
	Not spin the steering wheel at engine idling	0.5 - 2.5V
Spin the steering wheel at engine idling		2.5 - 4.5V
Idle speed control valve assy
Movement	Ignition switch ON	Half open → fully close → fully open → half open
Intake air flow meter assy
Resistance	at -20°C (-4°F)	13.6 - 18.4kΩ
	at 20°C (68°F)	2.21 - 2.69kΩ
	at 60°C (140°F)	0.493-0.667 kΩ
Camshaft timing oil control valve assy
Resistance	at 20°C (68°F)	6.9 - 7.9 Ω
Throttle position sensor
Resistance	VC - E2	2.5 - 5.0 kΩ
Water temperature sensor
Resistance	Approx. 20°C (68°F)	2.32 - 2.59 kΩ
	Approx. 80°C (176°F)	0.310 - 0.326kΩ

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.

Safety Warning

Service Data