Toyota Tundra Service Manual: Inspection

INSPECTION

PROCEDURE

1. INSPECT NO. 1 COOLER THERMISTOR

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

Standard Resistance:

NOTICE:

Even slightly touching the sensor may change the resistance value. Be sure to hold the connector of the sensor.

When measuring, the sensor temperature must be almost the same as the ambient temperature.

HINT:

As the temperature increases, the resistance decreases (see the graph).

Text in Illustration

*1	Sensor
*a	Component without harness connected (No. 1 Cooler Thermistor)
*b	Resistance (kΩ)
*c	Temperature (°C (°F))

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

Toyota Tundra Service Manual > Engine Immobiliser System (w/o Smart Key System): Engine Immobiliser System Malfunction (B2799)
DESCRIPTION The ECM stores this DTC when a communication line between the ECM and transponder key ECU assembly is malfunctioning or the communication ID of the ECM and transponder key ECU assembly do not match. DTC No. Detection Item DTC Detection Condition Trouble Area Note B2799 Engine Immobiliser ...

Toyota Tundra Owners Manual