Toyota Tundra Service Manual: Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in the 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 this system before inspecting the suspected areas below.

Engine Immobiliser System

Symptom	Suspected Area	Link
Engine does not start because no initial combustion occurs	Proceed to "Engine does not Start because No Initial Combustion"
Engine does not start but initial combustion occurs	Proceed to "Engine does not Start but Initial Combustion Occurs"
Security indicator light does not blink	Proceed to "Security Indicator Light Does not Blinking"
Key cannot be registered	Proceed to "Key Cannot be Registered"

Toyota Tundra Service Manual > Automatic Transmission System: Shift Solenoid "C" Control Circuit Low (Shift Solenoid Valve S3) (P0979,P0980)
DESCRIPTION Shifting from 1st to 6th is performed in combination with ON and OFF operation of the shift solenoid valves SL1, SL2, S1, S2, S3, S4 and SR, which are controlled by the ECM. If an open or short circuit occurs in any of the shift solenoid valves, the ECM controls the remaining normal shif ...

Toyota Tundra Owners Manual