Toyota Tundra Service Manual: Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Inspect the fuses and relays related to the system before inspecting the suspected areas below.

LIN communication system

Symptom	Suspected Area	See page
Air Conditioning Control Assembly Communication Error	LIN communication line
	Air conditioning amplifier assembly
	Air conditioning control assembly
	Harness or connector

Toyota Tundra Service Manual > Air Conditioning System(for Manual Air Conditioning System): Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART HINT: If a trouble code is displayed during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See page" below. Air conditioning system DTC Code Detection Item See page B1412/12 Ambient Temperature Sensor Circ ...

Toyota Tundra Owners Manual