Toyota Tacoma manuals

Toyota Corolla Repair Manual: Circuit description

This circuit turns on the magnetic clutch inside the actuator during cruise control operation according to the signal from the ecu. If a malfunction occurs in the actuator or speed sensor, etc. During cruise control operation, the rotor shaft between the motor and control plate is released.

When the brake pedal is depressed, the stop lamp switch assy turns on, supplying electrical power to the stop light. Power supply to the magnetic clutch is mechanically cut and the magnetic clutch is turned off.

When driving downhill, if the vehicle speed exceeds the set speed by 8 km/h (5 mph), the ecu turns the safety magnet clutch off. If the vehicle speed later drops to within 5 km/h (3 mph) above the set speed, then cruise control at the set speed is resumed.

Wiring diagram

Wiring diagram

Inspection procedure

Actuator magnetic clutch circuit
Dtc 12 actuator magnetic clutch circuit ...

Inspection procedure
1 Inspect fuse(stop) Turn the ignition switch to off.  remove the stop fuse from the instrument panel j/b.  check continuity of the stop fuse. Ok: continuity 2 Inspect s ...

Other materials:

Onvehicle inspection
1. Inspect front axle hub bearing  remove the front wheel.  separate the front disc brake caliper assy .  remove the front disc.  inspect the bearing backlash. Using a dial indicator, check the backlash near the center of the axle hub. Maximum: 0.05 Mm (0. ...

If the vehicle battery is discharged
The following procedures may be used to start the engine if the vehicles battery is discharged. You can also call your Toyota dealer or a qualified repair shop. If you have a set of jumper (or booster) cables and a second vehicle with a 12-volt battery, you can jump start your vehicle by foll ...

Front passenger occupant classification system
Your vehicle is equipped with a front passenger occupant classification system. This system detects the conditions of the front passenger seat and activates or deactivates the devices for the front passenger. 1 SRS warning light 2 Seat belt reminder light 3 AIR BAG OFF indicator light 4 ...

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