Toyota Corolla Repair Manual: Inspection procedure
1 Check tvip ecu
- 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)
- Disconnect the tvip ecu and integration relay connectors.
- 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
Circuit description
The wireless receiver receives a set/unset signal for the tvip system and
sends the signal to the tvip
ecu via the integration relay.
Wiring diagram
...
Other materials:
Vehicle identification
■ Vehicle identification number
The vehicle identification number (VIN) is the legal identifier for your vehicle.
This is the primary identification number for your Toyota. It is used in registering
the ownership of your vehicle.
This number is stamped on the top left of the instrument p ...
Circuit description
The vapor pressure sensor and the vsv for the canister closed valve (ccv) are
used to detect abnormalities
in the evaporative emission control system. The ecm decides whether there is an
abnormality in the evaporative
emission control system based on the vapor pressure sensor signal.
Dtc p0 ...
Under hood
General maintenance
1. General notes
maintenance requirements vary depending on the country.
Check the maintenance schedule in the owner’s manual supplement.
Following the maintenance schedule is mandatory.
Determine the appropriate time to service the vehicle using either miles
driven ...