If you notice any of the following symptoms, your vehicle probably
needs adjustment or repair. Contact your Toyota dealer as
soon as possible.
Visible symptoms
Audible symptoms
Operational symptoms
Fuel pump shut off system
To minimize the risk of fuel leakage when the engine stalls or
when an airbag inflates upon collision, the fuel pump shut off
system stops supply of fuel to the engine.
Follow the procedure below to restart the engine after the system is activated. 1. Turn the engine switch to the "ACC" or "LOCK" position. 2. Restart the engine.
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Toyota Tundra Service Manual > Air Conditioning System(for Manual Air Conditioning System): Compressor Lock Sensor Circuit (B1422/22)
DESCRIPTION The ECM sends an engine speed signal to the air conditioning amplifier via the CAN communication system. The air conditioning amplifier reads the difference between compressor speed and engine speed. When the difference becomes too large, the air conditioning amplifier determines that th ...