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:
Inspection procedure
Hint:
troubleshoot each trouble symptom in accordance with the chart below.
1 Clear dtc
Connect the hand–held tester or the obd ii scan tool to the dlc 3.
turn the ignition switch on and push the hand–held tester or the
obd ii scan tool main switch on.
read the dtc . ...
Description
When troubleshooting obd ii vehicles, the only difference
from the usual troubleshooting procedure is that you
need to connect the vehicle to the obd ii scan tool complying
with sae j1978 or the hand–held tester, and read
various data output from the vehicle’s ecm.
Obd ii regulation ...
If the engine will not start
If the engine will not start
even though correct starting
procedures are being followed, consider
each of the following
points:
The engine will not start
even though the starter
motor operates normally.
One of the following may be the
cause of the problem:
There may not be sufficient
fuel in the ...


