Toyota Tundra Service Manual: On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. CHECK HEATED OXYGEN SENSOR

(a) Disconnect the heated oxygen sensor connector.

(b) Measure the heater resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

1 (HT1B) - 2 (+B)

(for Bank 1)

20°C (68°F)

11 to 16 Ω

1 (HT2B) - 2 (+B)

(for Bank 2)

If the result is not as specified, replace the heated oxygen sensor.

Toyota Tundra Service Manual > Automatic Transmission System: Transmission Fluid Temperature Sensor "A" Circuit Low Input (P0712,P0713)
DESCRIPTION Refer to DTC P0711 (See page ). DTC Code DTC Detection Condition Trouble Area P0712 ATF temperature sensor resistance is below 79 Ω for 0.5 sec. or more (1-trip detection logic). Short in ATF temperature sensor circuit ATF temperature sensor ECM P0713 ATF temperature sensor resistance i ...

Toyota Tundra Owners Manual