FAM II 2.4D gasoline engine control and power systems Chevrolet Captiva 1

General description and operation of the engine management system
The principle of operation of the ignition system The ignition system does not use a conventional distributor and coil. It uses the crankshaft position sensor...

Strategy Based Fault Diagnosis
Strategy-Based Diagnostics is a one-stop approach to repairing all electrical/electronic (HER) systems. The diagnostic process can always be used to resolve...

General terms of the on-board diagnostic system
Diagnostics Word "diagnostics" refers to any on-board test conducted by the vehicle's diagnostic control system. Diagnostics is simply a test run of a system...

Tightening torques for threaded connections
PROGRAM N·m lb-ft lb-in Pedal Option Lock Screws 9 - 80 Optional Mounting Bracket Screws 37 27 - Camshaft position sensor screws 8 - 71 Crankshaft position...

Dependence of resistance of sensors on temperature
°C °F ECT sensor IAT sensor Ohm Values of resistance versus temperature (approximate) 100 212 177 187 90 194 241 246 80 176 332 327 70 158 467 441 60 140 667...

Table of special tools
DW170-010 Oxygen sensor removal and installation tool DW100-010 Fuel pressure gauge EN-48279 The device for dismantling/mounting the retaining rings of the...

The electrical circuit of the controller of the engine management system
The electrical circuit of the controller of the engine management system (2.4 DOHC - 1 out of 11) The electrical circuit of the controller of the engine...

Blocks of electrical connectors

Location of components of engine management systems
Location of components Components on the ECM harness 11. Electronic engine management controller (ECM) 12. Diagnostic block 13. Malfunction indicator lamp 14....

Diagnostics of the engine management system
Diagnostic Information If an intermittent problem is found, follow the instructions below. Preliminary checks Before using this section, you must first...

Fuel system diagnostics
Fuel system diagnostics Circuit Description The fuel pump is located in the fuel tank and is mounted on the fuel sensor assembly. The fuel pump remains on...

Definitions of types of diagnostic trouble codes
Clearing diagnostic codes Note: To avoid damage to the electronic engine control system (ECM), when connecting and disconnecting the ECM (for example, battery...

Diagnostic Trouble Codes DTC (beginning)
Diagnostic trouble code (DTC) P0030 HO2S heater control circuit sensor 1 Circuit Description Oxygen sensors with electric heater are used for fuel control and...

Diagnostic Trouble Codes (DTCs) (end)
Diagnostic trouble code (DTC) P0513 Wrong immobilizer code Circuit Description From immobilizer module or anti-theft system module (VTD) A password is sent to...

Diagnostics of signs of malfunctions of the engine management system
Important Preliminary Checks Important: Some symptoms require a thorough visual/physical examination. Always perform a visual/physical check first. Visual...

Relieving pressure in the fuel supply system
Procedure Attention! The fuel system is under pressure. Depressurize the fuel supply system before disconnecting fuel lines to prevent fuel spillage and burns....

Fuel pressure check
Necessary equipment DW100-010 Fuel pressure gauge Verification procedure Attention! The fuel system is under pressure. Depressurize the fuel supply system...

Removal and installation of the fuel tank
Fuel tank Removal procedure Attention! Do not smoke or use open flames in areas where fuel is handled or on the EMS system (gasoline vapor recovery system)....

Fuel pump assembly
Necessary equipment Tool for dismantling/mounting the lock rings of the main fuel pump EN-48279 Tool for dismantling/mounting of the lock rings of the reserve...

Fuel level sensor
Replacement procedure Note: The illustrations in this section show the fuel gauge on the main fuel pump ONLY. The fuel gauge on the backup fuel pump is...

Fuel filter
Fuel filter Note: The fuel filter is included with the fuel pump assembly. It cannot be replaced individually. If the fuel filter needs to be replaced, the...

Fuel rail and injectors
Removal procedure Attention! The fuel system is under pressure. Depressurize the fuel supply system before disconnecting fuel lines to prevent fuel spillage...

Coolant temperature sensor (ECT)
Removal procedure 1. Relieve pressure in the coolant system. 2. Disconnect the negative battery cable. 3. Disconnect the engine coolant temperature sensor...

Electronic throttle body
Removal procedure 1. Disconnect the negative battery cable. 2. Disconnect the intake air temperature sensor connector (IAT). 3. Loosen the clamp and disconnect...

Control oxygen sensor (with electric heater)
Necessary equipment DW170-010 Oxygen sensor removal and installation tool Removal procedure 1. Disconnect the negative battery cable. Note: The oxygen sensor...

Diagnostic oxygen sensor (with electric heater)
Necessary equipment DW170-010 Oxygen sensor removal and installation tool Removal procedure 1. Disconnect the negative battery cable. Note: The oxygen sensor...

Accelerator Pedal (APM)
Removal procedure 1. Disconnect the negative battery cable. 2. Disconnect the accelerator pedal connector retaining clip (APM) from the accelerator pedal...

Intake Air Temperature (IAT) Sensor
Removal procedure Attention! Do not remove the intake air temperature sensor (IAT) from the air filter outlet hose. If it is necessary to replace the air...

Manifold absolute pressure (MAP) sensor
Removal procedure 1. Disconnect the negative battery cable. 2. Disconnect the intake air temperature sensor connector (IAT). 3. Loosen the clamp and disconnect...

Exhaust gas recirculation (EGR) valve
Removal procedure 1. Disconnect the negative battery cable. 2. Disconnect the EGR valve connector. 3. Remove the EGR valve mounting bolts. 4. Remove the EGR...

Exhaust Gas Recirculation (EGR) Valve Adapter and Inner Crankcase Ventilation Pipe
Removal procedure 1. Disconnect the negative battery cable. Attention! To prevent personal injury, do not remove the expansion tank cap on a hot engine and...

Knock sensor
Removal procedure 1. Disconnect the negative battery cable. 2. Raise and secure the vehicle. 3. Disconnect the knock sensor connector. 4. Loosen the knock...

Gasoline vapor recovery system (EVAP) adsorber assembly
Removal procedure Attention! The adsorber and vacuum hoses contain fuel vapors. Do not smoke or work with open flames in the hazardous area. 1. Disconnect the...

EVAP adsorber purge solenoid valve
Removal procedure 1. Disconnect the negative battery cable. 2. Disconnect the EVAP canister purge solenoid valve connector. 3. Disconnect the vacuum hoses from...

Evaporative Emission System (EVAP) canister filter
Removal procedure 1. Dismantle the SUPS adsorber assembly. See «SUBP adsorber assembly» in this section. 2. Loosen the clamp and disconnect the EVAP canister...

Pipe of system of catching of vapors of gasoline (SUPS) assy
Removal procedure 1. Disconnect the negative battery cable. 2. Disconnect the front EVAP canister purge hose from the EVAP canister purge solenoid valve. 3....

Crankshaft position sensor (CKP)
Removal procedure 1. Disconnect the negative battery cable. 2. Remove the power steering pump. Follow See Section 6B, Power Steering Pump. 3. Remove the air...

Camshaft Position Sensor (CMP)
Removal procedure 1. Disconnect the negative battery cable. 2. Remove the engine cover. 3. Disconnect the camshaft position sensor connector (SMR). 4. Remove...

Direct Ignition System (DIS)
Removal procedure 1. Disconnect the negative battery cable. 2. Disconnect the direct ignition connector (DIS). 3. Mark the position of the ignition wires and...

Engine Electronic Control System (ECM) Controller
Removal procedure 1. Disconnect the negative battery cable. 2. Disconnect the ECM connectors from the ECM. 3. Remove the ECM bracket mounting nuts. 4. Remove...

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Captiva 1 (2006-2018)