Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Cruise control system / Problem symptoms table
Toyota Corolla (E120): Problem symptoms table
If a normal code is displayed during the dtc check but the problem still occurs, check the circuits for each problem, symptom in the order given in the table below and proceed to the relevant troubleshooting page.

Other materials:
Replacement
1. Remove engine under cover rh
2. Drain coolant
3. Remove front wheel rh
4. Remove cylinder head cover no.2
Remove the 2 nuts, 2 clips and cylinder head cover.
5. Remove fan and generator v belt
Turn the v–ribbed belt tensioner slowly clockwise and
loosen it. Then, remove ...
Using the voice command system (Multimedia system)
Voice command system
The voice command system enables the hands-free system to be operated using
voice commands.
Operations of the voice command system can be performed by selecting the menu
corresponding to each function on the screen. Even if any menu is selected, commands
displayed on all ...
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
...


