Toyota Corolla (E120): Ecu power source circuit

Circuit description

This circuit provides power to operate the tvip ecu.

Wiring diagram

Inspection procedure

Inspection procedure

1 Check fuse (ecu–b)

  1. Remove the fuse from the instrument panel j/b.
  2.  check the continuity of the fuse.

Standard: continuity

2 Check tvip ecu

2 Check tvip ecu

  1. Disconnect the tvip ecu connector.
  2.  measure the voltage between the terminals of the ecu connector, as shown in the illustration and table.

Standard:

3 Check wire harness (tvip ecu  body ground)

3 Check wire harness (tvip ecu  body ground)

  1. Disconnect the tvip ecu connector.
  2. check the connector on the harness side, as shown in the illustration and table.

Standard:

Check and replace tvip ecu

Check and replace tvip ecu

    Share this page:

    Other materials:

    Inspection procedure
    1 Check source voltage Measure the voltage of the battery. Ok: voltage: 10 – 14 v 2 Check air bag sensor assy center Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors from the airbag sensor assy ...

    Inspection procedure
    1 Check security indicator light Set the system in 30 seconds after filliping the security indicator to check if the alarm is triggered. 2 Check glass breakage sensor ecu (glass breakage sensor) Check the continuity and voltage of the glass breakage sensor ecu, as shown in th ...

    Installing child restraints using a seat belt
    ■ Rear-facing - Infant seat/convertible seat 1 Place the child restraint system on the rear seat facing the rear of the vehicle. 2 Run the seat belt through the child restraint system and insert the plate into the buckle. Make sure that the belt is not twisted. 3 Fully extend the shou ...