Toyota Tacoma manuals

Toyota Corolla Repair Manual: Electronic control

  1. Removal and installation of battery terminal

  1.  before performing electrical work, disconnect the battery negative () terminal cable beforehand so as to prevent burntout damage by short.
  2.  When disconnecting and installing the terminal cable, turn the ignition switch and lighting switch off, and loosen the terminal nut completely. Perform these operations without twisting or prying the terminal.
  3.  When the battery terminal is removed, all the memories of the clock, radio, dtcs, etc. Will be erased.

    So before removing it, check them and note them down.

  1. Handling of electronic parts

  1.  do not open the cover or case of the ecu unless absolutely necessary (if the ic terminals are touched, the ic may be destroyed by static electricity).
  2.  To disconnect electronic connectors, pull the connector itself, not the wires.
  3.  Be careful not to drop electronic components, such as sensors or relays. If they are dropped on a hard floor, they should be replaced and not be reused.
  4.  When cleaning the engine with steam, protect the electronic components, air filter and emissionrelated components from water.
  5.  Never use an impact wrench to remove or install temperature switches or temperature sensors.
  6.  When checking the continuity at the wire connector, insert the tester probe carefully to prevent terminals from bending.

Removal and installation of fuel control parts

For vehicles equipped with srs airbag and seat belt pretensioner
Hint: the vehicle is equipped with an srs (supplemental restraint system), such as the horn button assembly, the instrument panel passenger airbag assembly, the front seat airbag assembly, the c ...

Removal and installation of fuel control parts
Place for removing and installing of fuel system parts  work in a place with good air ventilation and without anything flammable such as welder, grinder, drill, electric motor or st ...

Other materials:

Location
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Inspection procedure
1 Check relay (marking: starter cut) Inspect the relay continuity, as shown in the illustration and table. Standard: 2 Check tvip ecu Disconnect the tvip ecu connector.  turn the ignition switch position to the start.  measure the voltage between the termina ...

Inspection
1. Inspect outer mirror switch assy Inspect the mirror switch continuity.  Left side for left/right adjustment switch: inspect the mirror switch continuity Standard (left side): If the result is not as specified, replace the switch assembly.  Right side for left/r ...

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