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:
Ecm/pcm processor
Dtc p0606 ecm/pcm processor
Monitor description
The ecm continuously monitors its internal circuits. This self–check insures
that the ecm is functioning properly.
If a malfunction is detected, the ecm will set the appropriate dtc and
illuminate the mil.
The two cpus, main and sub cpu i ...
Combination meter assy
Overhaul
Hint: components:
1. Remove meter hood sub–assy
2. Remove combination meter assy
Remove the screw.
disengage the 2 clips as shown in the illustration.
disconnect the connector, then remove the combination
meter.
3. Remove combination meter glass
Di ...
Parking the vehicle
► Automatic transmission or continuously
variable transmission Automatic transmission or continuously variable transmission
1 With the shift lever in D, depress the brake pedal.
2 Shift the shift lever to P.
3 Set the parking brake.
4 Vehicles without a smart key system: Turn ...