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
Hint: if dtcs p0115, p0116, p0117, p0118 and p0125 are output simultaneously, the engine coolant temperature sensor circuit may be open or short. Perform the troubleshooting of dtc p0115, p0117 or p0118 first. Read freeze frame data using the hand-held tester or the obd ii scan to ...

Replacement
Hint: components:  1. Remove front wheel 2. Remove front axle hub lh nut  sst 0993000010 3. Separate front stabilizer link assy lh 4. Separate speed sensor front lh (w/ abs) 5. Separate front disc brake caliper assy lh Remove the 2 bolts, separate the brake caliper assy l ...

Circuit description
The airbag sensor front lh circuit consists of the airbag sensor assy center and airbag sensor front lh. Dtc b1158/b1159/16 is recorded when malfunction is detected in the airbag sensor front lh circuit. Wiring diagram ...

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