Toyota Corolla (E120): Inspection procedure

1 Check tvip ecu

  1. Check that the operation of the tvip function is normal.

Hint

: with this inspection, the tvip ecu cpu can be diagnosed if it works normally or not.

2 Check wire harness (tvip ecu integration relay)

2 Check wire harness (tvip ecu integration relay)

  1. Disconnect the tvip ecu and integration relay connectors.
  2. check the continuity between the terminal of the tvip ecu connector and integration relay connectors, as shown in the illustration and table.

Standard:

Check and replace tvip ecu

Check and replace tvip ecu

    Share this page:

    Other materials:

    Overhaul
    1. Remove bench type rear seat cushion assy Disengage the 2 clamps, and then remove the seat cushion. 2. Remove separate type rear seat back assy  lean the seat back forward.  remove the 2 clips.  remove the 2 bolts and seat back lh. employ the same manner describ ...

    Circuit description
    Refer to dtc p0120 Dtc no. Dtc detection condition Trouble area P0121 The following condition is met 4 times. After the vehicle speed has exceeded 19 mph (30 km/h) once, the throttle position sensor output value is out of normal range when the throttle ...

    Stopping the engine
    1 Stop the vehicle. 2 Continuously variable transmission: Shift the shift lever to P. Manual transmission: Shift the shift lever to N. 3 Set the parking brake. 4 Press the engine switch. 5 Vehicles without a multi-information display: Release the brake pedal (continuously variable transmission ...