Engine Controls - Sensor Operating Range Charts: Other

Engine Controls - Sensor Operating Range Charts: Other Lexus GS I

All Other Sensors

See ENGINE SENSORS & SWITCHES in SYSTEM/COMPONENT TESTS article.

Application	Ohms
Cold (1)	835-1400
Hot (2)	1060-1645
(1) Sensor temperature of 14-122°F (-10-50°C). (2) Sensor temperature of 123-212°F (51-100°C).

(1)	Sensor temperature of 14-122°F (-10-50°C).

(2)	Sensor temperature of 123-212°F (51-100°C).

CAMSHAFT SENSOR RESISTANCE

ENGINE COOLANT TEMPERATURE (ECT) SENSOR RESISTANCE

EGR GAS TEMPERATURE SENSOR RESISTANCE

Note. Intake Air Temperature (IAT) sensor is part of volume airflow sensor.

Ambient Temp. - °F (°C)	Ohms
4 (-20)	10,000-20,000
32 (0)	4000-7000
68 (20)	2000-3000
104 (40)	900-1300
140 (60)	400-700
176 (80)	200-400
(1) Measure resistance between terminals THA and E2 of VAF sensor.

(1)	Measure resistance between terminals THA and E2 of VAF sensor.

INTAKE AIR TEMPERATURE (IAT) SENSOR RESISTANCE (1)

Application	Ohms
GS300	10-30
(1) Measure resistance between terminal B1 and terminals S1 and S3. Measure resistance between terminal B2 and terminals S2 and S4.

(1)	Measure resistance between terminal B1 and terminals S1 and S3. Measure resistance between terminal B2 and terminals S2 and S4.

IDLE AIR CONTROL (IAC) VALVE RESISTANCE (1)

Terminal	Ohms
Terminal To Sensor Body	(1) Infinity (No Continuity)
(1) Replace sensor if continuity exists.

(1)	Replace sensor if continuity exists.

KNOCK SENSOR RESISTANCE

Application	Ohms @ 68°F (20°C)
GS300	11.7-14.3
(1) Measure resistance between terminals +B and HT of oxygen sensor 4-pin connector. (Scheme 1)

(1)	Measure resistance between terminals +B and HT of oxygen sensor 4-pin connector. (Scheme 1)

OXYGEN SENSOR HEATER RESISTANCE (1)