C7 Engines Illustration 2 g01114317 Typical view of the left side of the C7 engine (1) Fuel pressure sensor (if equipped) (2) J500/P500 Injection actuation pressure control valve connector (3) Injection actuation pressure sensor (4) Engine coolant temperature sensor (5) J300/P300 Injector valve cover entry connector. On some models you could just unplug the electrical connector at the IAP sensor and see if the engine wants to start, if so replace the sensor. The IAP valve and sensors are subject to fail, either of which will not let you start. Your tech will know how to test these and if you have a Cat tech he can just bypass them as Tom says. C7.1 ACERT™ Industrial Engine Tier 4 Interim/Stage IIIB 140-225 bkW/187.7-301.8 bhp @ 2200 rpm LEHH0006-04 Page 3 of 4 PERFORMANCE DATA — PRELIMINARY. Dec 22, 2013 The IAP Control Valve is an e. Skip navigation. CAT 3125b IAPCV Injection Actuation Pressure Control Valve. The Injection Actuation Pressure Control Valve is used to maintain ECM selected.
Cat C7 Iap Valve Location
TroubleshootingSection
Note:PersonalityModuleswith a manufactureddate
beforeJUNE 99 require an electricalconnector
fortheinjectionactuationpressuresensor to be
disconnected in orderforthe'InjectionActuation
PressureControlValveDriverSpecialTest' to turn
offthedriverfortheinjectionactuationpressure
controlvalve. If theconnectorJ204/P204for
theinjectionactuationpressuresensor is not
disconnected,thevoltagetestlampwillremain on
whenthespecialtest is notactive.
Results:
Repair:Replacetheharnessfortheinjection
STOP.
Repair:Temporarilyinstall a testECM.Repeat
reinstalltheoldECM and verifythattheproblem
reoccurswiththeoldECM.
i01857920
g00725343
Sensor - Test
location of theinjectionactuationpressurecontrolvalve
SystemOperationDescription:
Usethefollowinginformation in order to troubleshoot
· 164-02InjectionActuation Pr SensorErratic(15)
theinjectionactuationpressuresensoragainst a
Thefollowingbackgroundinformation is related