Toyota Tundra Service Manual > Engine Immobiliser System (w/o Smart Key System): Engine does not Start because No Initial Combustion
DESCRIPTION When a key is inserted into the ignition key cylinder, the transponder key coil receives the key ID code and sends it to the transponder key ECU assembly. If an error in communication between the transponder key coil and transponder key ECU assembly occurs, this symptom may occur. WIRING ...