Toyota Tundra Service Manual: On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT AIR FUEL RATIO SENSOR

(a) Disconnect the 2 air fuel ratio sensor connectors.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

1 (HA1A) - 2 (+B)

(for Bank 1)

20°C (68°F)

1.6 to 3.2 Ω

1 (HA2A) - 2 (+B)

(for Bank 2)

Text in Illustration

for Bank 1

for Bank 2

Component without harness connected

(Air Fuel Ratio Sensor)

If the result is not as specified, replace the air fuel ratio sensor.

Toyota Tundra Service Manual > Navigation System: LVDS Signal Malfunction (from Extension Module) (B1532,B156C)
DESCRIPTION DTC Code DTC Detection Condition Trouble Area B1532 When either condition below is met: Video signal (digital) is lost. The stereo component tuner assembly is not connected while the ignition switch is ON or ACC. Communication between the navigation receiver assembly and the stereo compo ...

Toyota Tundra Owners Manual