Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Electronic controlled automatic transaxle / Problem symptoms table
Toyota Corolla (E120): Problem symptoms table
Hint
: if a normal code is displayed during the dtc check but the trouble still occurs, check the circuits for each symptom in the order given in the charts on the following pages and proceed to the page given for troubleshooting.
The matrix chart is divided into 3 chapters.
- If the instruction ”proceed to next circuit inspection shown on matrix chart” is given in the flow chart for each circuit, proceed to the circuit with the next highest number in the table to continue the check.
- If the trouble still occurs even though there are no abnormalities in any of the other circuits, then check and replace the ecm.
Chapter 1: electronic circuit matrix chart

*1: W/ cruise control
Chapter 2: on–vehicle repair
( : a245e/a246e automatic transaxle repair manual pub. No. Rm941u)


Chapter 3: off–vehicle repair
( : a245e/a246e automatic transaxle repair manual pub. No. Rm941u)


Other materials:
Circuit description
The park/neutral position switch detects the shift lever position and sends
signals to the ecm.
Monitor description
The park/neutral position switch detects the gearshift position and sends a
signal to the ecm.
For security, the park/neutral position switch detects the gearshift positio ...
For safe driving
For safe driving, adjust the
seat and mirror to an appropriate
position before driving.
Correct driving posture
Adjust the angle of the seatback
so that you are sitting
straight up and so that you do
not have to lean forward to
steer.
Adjust the seat so that you
can depress the pedals fully ...
Adjustment
1. Headlight aim only
place the vehicle in the following conditions.
The area around the headlight is not deformed.
The vehicle is parked on a level surface.
Tire inflation pressure is in the specified value .
A driver is in the driver’s seat and the vehicle is in a state rea ...


