DTC P1122: Electric Throttle Control Performance Problem: Notes
WARNING: This page is about a different car, the 2003 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
If DTC P1122 is displayed with DTC P1121 or P1126, first perform the trouble diagnosis for DTC P1121 or P1126. See DTC P1121: ELECTRIC THROTTLE CONTROL ACTUATOR or DTC P1124: THROTTLE CONTROL MOTOR RELAY CIRCUIT SHORT & DTC P1126: THROTTLE CONTROL MOTOR RELAY CIRCUIT OPEN
.