Toyota Corolla (E120) 2002–2008 Repair Manual / Introduction / How to troubleshoot ecu controlled
systems / Problem symptoms table
Toyota Corolla (E120): Problem symptoms table
The suspected circuits or parts for each problem symptom are shown in the table below. Use this table to troubleshoot the problem when a normal code is displayed in the diagnostic trouble code chart but the problem is still occurring. Numbers in the table indicate the order in which the circuits or parts should be checked.
Hint: when the problem is not detected by the diagnostic system even though the problem symptom is present, it may be that the problem is occurring outside the detection range of the diagnostic system.
Other materials:
Front suspension
Preparation
Sst
Recomended tools
Equipment
...
Shift position uses
*: Shifting to the D position allows the system to select a gear suitable for
driving conditions. Setting the shift lever to the D position is recommended for
normal driving.
■Downshifting restrictions
The shift lever cannot be downshifted if the following speeds are exceeded.
mph (km ...
Wireless remote control/electronic key battery
Replace the battery with a
new one if it is depleted.
As the key may be damaged
if the following procedure is
not performed properly, it is
recommended that key battery
replacement be performed
by your Toyota
dealer.
■If the key battery is depleted
The following symptoms may occur:
The smart ke ...