Detection Condition
WARNING: This page is about a different car, the 2002 Mazda B4000, 2002 Mazda B3000, and 2002 Mazda B2300. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0121 indicates a non-closed throttle position at idle.
DTC P0122 indicates Throttle position (TP) sensor signal is less than self-test minimum of 0.17 volt (3.42 percent).
DTC P0123 indicates TP sensor signal is more than self-test maximum value of 4.65 volts (93 percent).
DTC P1120 indicates TP sensor signal is 0.17-0.49 volts (3.42 and 9.85 percent).
DTC P1121 indicates TP sensor signal is inconsistent with MAF sensor.
DTC P1124 indicates TP sensor rotational setting and signal are not in the self-test range of 0.66-1.17 volts (13.27-23.52 percent).
DTC P1125 indicates TP sensor signal went less than 0.49 volt or more than 4.65 volts during the last 80 warm-up cycles.