Toyota Tacoma manuals

Toyota Corolla Repair Manual: Circuit description

This signal is used to detect that the brakes have been applied. The stp signal voltage is the same as the one supplied to the stop lights.

The stp signal is used mainly to control the fuel cutoff engine speed (the fuel cutoff engine speed is reduced slightly when the vehicle is braking.).

Wiring diagram

Inspection procedure

Stop light switch circuit
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Inspection procedure

Handheld tester: 1 Check operation of stop light Check if the stop lights go on and off normally when the brake pedal is depressed and released. 2 Inspect stop light switch assy ...

Other materials:

Inspection procedure
1 Inspect dlc3 terminal voltage(ts terminal) Turn the ignition switch to on. measure voltage between terminals ts and cg of dlc3. Ok: voltage: 10 14 v 2 Check harness and connector(dlc3 body ground) Check for open and short circuit in harness and connector between ter ...

Inspection procedure
Hint: if different dtcs related to different systems that have terminal e2 as the ground terminal are output simultaneously, terminal e2 may be open. Read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malf ...

Coolant
Replacement 1. Drain coolant Caution: to avoid the danger of being burned, do not remove the radiator cap while the engine and radiator are still hot, as fluid and steam can be blown out under pressure.  remove the radiator cap.  loosen the radiator and engine drain plugs, a ...

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