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 > Sfi System: Camshaft Position Sensor Circuit (P0340,P0342,P0343,P0345,P0347,P0348)
DESCRIPTION The intake camshaft's Variable Valve Timing (VVT) sensor (VV1 and VV2 signal) consists of a magnet and MRE (Magnetoresistive Element). The intake camshaft has a sensor plate with 3 teeth on its outer circumference. When the intake camshaft rotates, changes occur in the air gaps between t ...

Toyota Tundra Owners Manual