Toyota 2002 Camry - Oxygen Sensor; Air Fuel Ratio Sensor

A60492
Battery
B
Air
A
A62378
21
34
+B
HT
E1
A52607
E1
12–20
–EMISSION CONTROL EMISSION CONTROL SYSTEM (1MZ–FE)
1513Author: Date:
2002 CAMRY REPAIR MANUAL (RM881U)
(4) Apply battery positive voltage across the terminals.
(5) Check that air does not flow from ports A to B.
If operation is not as specified, replace the VSV.
6. OXYGEN SENSOR
OXYGEN NO.2 SENSOR
(a) Using an ohmmeter, measure the resistance between the
terminals.
Resistance:
Terminal No. Resistance
1 (HT) ⇔ 2 (+B) 11 – 16 Ω at 20C (68F)
1 (HT) ⇔ 4 (E1) No Continuity
If the resistance is not as specified, replace the sensor.
7. AIR FUEL RATIO SENSOR
(a) Using an ohmmeter, measure the resistance between the
terminals.
Resistance:
Terminal No. Resistance
1 (HT) ⇔ 2 (+B) 1.8 – 3.4 Ω at 20C (68F)
1 (HT) ⇔ 4 (E1) No Continuity
If the resistance is not as specified, replace the sensor.