Toyota 2GR-FE Manual page 351

15
INSPECT HEATED OXYGEN SENSOR (HEATER RESISTANCE)
Component Side:
Heated Oxygen Sensor
+B
C52
Bank 1
E2
+B
C51
Bank 2
E2
OK
2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
(a) Disconnect the C52 oxygen sensor connector (Bank 1
Sensor 2) or C51 oxygen sensor connector (Bank 2
sensor 2).
(b) Measure the resistance according to the value(s) in the
table below.
Standard resistance (Bank 1 sensor 2)
HT1B
Tester Connection
HT1B (1) - +B (2)
HT1B (1) - E2 (4)
OX1B Standard resistance (Bank 2 sensor 2)
Tester Connection
HT2B (1) - +B (2)
HT2B (1) - E2 (4)
HT2B
NG
OX2B
A137614E04
Condition
20°C (68°F)
Always
Condition
20°C (68°F)
Always
REPLACE HEATED OXYGEN SENSOR (See
page EC-20)
ES–195
Specified Condition
11 to 16 Ω
10 kΩ or higher
ES
Specified Condition
11 to 16 Ω
10 kΩ or higher