P0121: Etc Throttle Position (TP1) Sensor Circuit Range/Performance (Vehicles With Electronic Throttle Control (Etc))

2004 Ford Focus ZX3, 2.0 3, StandardSECTION P0121: Etc Throttle Position (TP1) Sensor Circuit Range/Performance (Vehicles With Electronic Throttle Control (Etc))
P0121 - ETC THROTTLE POSITION (TP1) SENSOR CIRCUIT RANGE/PERFORMANCE (VEHICLES WITH ELECTRONIC THROTTLE CONTROL (ETC))

Description:  The ETC TP1 sensor was flagged as fault status by the PCM indicating an out of range in either the closed or wide open throttle modes.
Possible Causes: 
  • Obstruction in the throttle plate movement.
  • Damaged throttle body.
  • TP circuit open to PCM.
  • Damaged TP sensor.
  • SIG RTN circuit open to the TP sensor.
  • Operator placing.
Diagnostic Aids:  The fault exhibits a symptom of limited power. A TP1 PID (TP V PID) reading less than 3.42% (0.17 volt) in key ON engine OFF, continuous memory or key ON engine running indicates a hard fault.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
Vehicles with electronic throttle control (ETC) GO to PINPOINT TEST DV: THROTTLE BODY ASSEMBLY ETC Step 1. GO to PINPOINT TEST DV: THROTTLE BODY ASSEMBLY ETC Step 1. GO to PINPOINT TEST DV: THROTTLE BODY ASSEMBLY ETC Step 1.
RENDER: 1.0x

NO RELATED

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