Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Toyota vehicle intrusion protection system / Ecu power source circuit
Toyota Corolla (E120): Ecu power source circuit
Circuit description
This circuit provides power to operate the tvip ecu.
Wiring diagram

Inspection procedure
1 Check fuse (ecu–b)

- Remove the fuse from the instrument panel j/b.
- check the continuity of the fuse.
Standard: continuity


2 Check tvip ecu

- Disconnect the tvip ecu connector.
- 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)

- Disconnect the tvip ecu connector.
- check the connector on the harness side, as shown in the illustration and table.
Standard:



Check and replace tvip ecu
Other materials:
Inside rear view mirror
The rear view mirror's position
can be adjusted to
enable sufficient confirmation
of the rear view.
Adjusting the height of
rear view mirror
The height of the rear view mirror
can be adjusted to suit your
driving posture.
Adjust the height of the rear
view mirror by moving it up and
down.
WARNING
...
Starting the engine
1 Continuously variable transmission: Ensure that the shift lever is in P and
depress the brake pedal.
Manual transmission: Shift the shift lever to N and depress the clutch pedal.
2 Touch the Toyota emblem side of the electronic key to the engine switch.
When the electronic key is detected, a ...
Follow the correction procedures. (vehicles with a smart key system and with
a drive monitor display)
After taking the specified steps to correct the suspected problem, check that
the warning light turns off.
■SRS warning light
This warning light system monitors the airbag sensor assembly, front impact
sensors, side impact sensors (front door), side impact sensors (front), side impac ...


