Sunday, February 9, 2020

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 1233

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 1233



* Injector 3 terminal 4



* Injector 4 terminal 7



* Injector 5 terminal 5



* Injector 6 terminal 8



瀚慖f less than the specified range, test for a short between the control circuit and the ignition voltage circuit. If the circuits/connections test



normal, test or replace the appropriate Q17 fuel injector.



瀚慖f greater than the specified range, test the ignition voltage, and fuel injector control circuit, for an open/high resistance. If the



circuits/connections test normal, test or replace the appropriate Q17 fuel injector.



Repair Instructions



Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.



* Fuel Injector Replacement (See: Powertrain Management/Fuel Delivery and Air Induction/Fuel Injector/Service and Repair)



* Control Module References (See: Testing and Inspection/Programming and Relearning) for Engine Control Module replacement, setup, and



programming



P0299



DTC P0234 or P0299



Diagnostic Instructions



* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System



Check - Vehicle) prior to using this diagnostic procedure.



* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an



overview of the diagnostic approach.



* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure



Instructions) provides an overview of each diagnostic category.



DTC Descriptors



DTC P0234



- Engine Overboost



DTC P0299



- Engine Underboost



Diagnostic Fault Information



Typical Scan Tool Data



Circuit Description



The boost pressure sensor is integrated with the intake air temperature (IAT) sensor. The boost pressure sensor measures the range of pressures



between the turbocharger and the throttle body. Pressure in this portion of the induction system is affected by the following:

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