Toyota Corolla (E120): Initialization
1. Reset memory
Caution
: perform the reset memory (at initialization) when replacing the automatic transaxle assy, engine assy or ecm.
Notice
: hand–held tester only
- Turn the ignition switch off.
- connect the hand–held tester to the dlc3.
- turn the ignition switch to the on position.
- perform the reset memory procedure from the engine menu.
Caution
: after performing the reset memory, be sure to perform the road test described earlier.
Other materials:
Inspection procedure
Hint:
perform the troubleshooting of dtc p0335 first. If no trouble is
found, troubleshoot the engine mechanical
systems.
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 tr ...
Circuit description
Refer to dtc p0120
Dtc no.
Dtc detection condition
Trouble area
P0121
The following condition is met 4 times. After the vehicle speed
has exceeded 19 mph (30 km/h) once, the throttle position
sensor output value is out of normal range when the throttle
...
Mass or volume air flow circuit
Dtc p0100 mass or volume air flow circuit
Dtc p0102 mass or volume air flow circuit
low input
Dtc p0103 mass or volume air flow circuit
high input
Circuit description
The maf (mass air flow) sensor measures the amount of air flowing through the
throttle valve. The ecm
uses this information ...