Your Toyota Avanza engine control system detects a problem, the computer stores the diagnostic trouble
code C2542 in its memory.
To figure out what is wrong with your vehicle you must first extract the C2542 DTC For Toyota Avanza.
On 1999 and later C2542 Toyota Avanza engines, the instrument cluster has a built-in self-diagnostic mode that can be accessed by pressing and holding the instrument cluster SELECT/RESET button. Insert the ignition key and turn to the RUN position (but don't crank or start engine). Continue to press and hold the SELECT/RESET button (for 5 seconds) until the word TEST is displayed by the odometer. Release the SELECT/RESET button within three seconds after the word TEST is displayed to begin the self-diagnostic mode.
C2542 Toyota Avanza DTC Meaning
Chassis Code - Problem is controller area network wiring bus and modules.
MFG - Manufacturer Specific
Auxiliary Emission Controls
Control Module Throttle Actuator Position Performance
Kick-Down Switch Failed Short
While fuel economy was increased, acceleration was seriously compromised, and the loss of engine vacuum led to a dangerous loss of braking assist when the C2542 Toyota Avanza code system was in four-cylinder mode. In addition to these issues, while the company proposed a hydraulically controlled system that could be switched from within the car, the version they implemented had to be manually changed in the engine compartment using hand tools.