Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / System voltage / Monitor description
Toyota Corolla (E120): Monitor description
The battery supplies electricity to the ecm even when the ignition switch is off. This electricity allows the ecm store data such as dtc history, freeze frame data, fuel trim values, and other data. If the battery voltage falls below a minimum level, the ecm will conclude that there is a fault in the power supply circuit. At the next engine start, the ecm will turn on the mil and a dtc will be set.
Monitor strategy
*1: The dtc is set immediately. The mil will be illuminated after the next engine start.
Typical enabling conditions
Typical malfunction thresholds
Wiring diagram
Other materials:
When stopping the engine with the shift lever in a position other than P (vehicles
with a continuously variable transmission)
If the engine is stopped with the shift lever in a position other than P, the
engine switch will not be turned off but instead be turned to ACCESSORY mode. Perform
the following procedure to turn the switch off:
1 Check that the parking brake is set.
2 Shift the shift lever to P.
► Vehi ...
Inside vehicle
General maintenance
Performing these maintenance checks on the vehicle in the owner’s
responsibility. The owner may
perform the maintenance or take the vehicle to a service center.
Check the parts of the vehicle described below on a daily basis. In most cases,
special tool are not
requir ...
Positioning a floor jack
When using a floor jack, follow the instructions in the manual provided with
the jack and perform the operation safely.
When raising your vehicle with a floor jack, position the jack correctly.
Improper placement may damage your vehicle or cause injury.
◆ Front
◆ Rear
1 Take out ...