Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Crankshaft position – camshaft
position correlation / 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 valve timing(check for loose and jumped tooth of timing chain)
Replace ecm
Other materials:
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 ...
System description
The ecm uses the signals from the throttle position sensor, air–flow meter
and crankshaft position sensor
to monitor the engagement condition of the lock–up clutch.
Then the ecm compares the engagement condition of the lock–up clutch with the
lock–up schedule in the
ecm memory to de ...
Power outlet
Please use as a power supply for electronic goods that use less than 12 VDC/10
A (power consumption of 120 W).
Open the lid.
■The power outlet can be used when
► Vehicles without a smart key system
The engine switch is in the “ACC” or “ON” position.
► Vehicles with ...