Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / System voltage / Inspection procedure
Toyota Corolla (E120): Inspection procedure
Hint
: read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, the air–fuel ratio was lean or rich, etc. At the time of the malfunction.
1 Check fuse(efi fuse)
- Remove the efi fuse from the engine room r/b.
- check for continuity in the efi fuse.
Standard: continuity
- reinstall the efi fuse.
2 Inspect ecm(batt voltage)
- Measure the voltage between the terminals of the e4 and e6 ecm connectors.
Standard:
3 Check harness and connector(ecm – efi fuse, efi fuse – battery)
- Check the harness and the connector between the efi fuse and ecm.
- Remove the efi fuse from the engine room r/b.
- Disconnect the e6 ecm connector.
- Check the resistance between the wire harness side connectors.
Standard (check for open):
Standard (check for short):
- Reconnect the ecm connector.
- Reinstall the efi fuse.
- check the harness and the connector between the efi fuse and battery.
- Remove the efi fuse from the engine room r/b.
- Disconnect the battery positive terminal.
- Check the resistance between the wire harness side connectors.
Standard (check for open):
Standard (check for short):
- Reconnect the battery positive terminal.
- Reinstall the efi fuse.
Check and replace engine room relay block assy
Other materials:
Toyota Safety Sense 3.0 software
update
It is necessary to enter a
connected services contract,
provided by Toyota, to
use these functions. For
details, contact your Toyota
dealer.
WARNING
■For safe use
When the Toyota Safety Sense
3.0 software is updated, the operating
methods of functions may
change. Using this system without
knowing ...
Using the dynamic radar
cruise control
Setting the vehicle speed
1. Press the driving assist mode
select switch to select
dynamic radar cruise control.
The dynamic radar cruise control
indicator will illuminate.
2. Using the accelerator pedal,
accelerate or decelerate to
the desired vehicle speed
(approximately 20 mph [30
km/h] or more ...
Heated steering wheel/seat heaters
Heated steering wheel
Warms up the grip of the
steering wheel
Seat heaters
Warm up the seat upholstery
WARNING
To prevent minor burn injuries
Care should be taken if anyone in
the following categories comes in
contact with the steering wheel or
seats when the heater is on:
Babies, small chil ...