Home/Chevrolet/TrailBlazer/Chevrolet TrailBlazer I (2001-2006)/Repair manual/Testing & Diagnostics/Engine Controls - System & Component Testing - 4.8L, 5.3L &…
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Engine Controls - System & Component Testing - 4.8L, 5.3L & 6.0L - Flex Fuel & Gasoline: Component Locations Chevrolet TrailBlazer I

Testing & Diagnostics 11 illustrations

COMPONENT LOCATIONS

Note. For component locations refer to COMPONENT LOCATIONS table or illustrations. (Scheme 38)- (Scheme 48).

ComponentLocation
A/C High Pressure Cut-Out SwitchOn Rear Of Accumulator
A/C Low Pressure Cut-Off SwitchOn Right Side Of A/C Compressor
Body Control ModuleOn Lower Left Side Of Instrument Panel, Below Steering Column
Camshaft Position SensorTop Rear Center Of Engine
Crankshaft Position SensorLower Right Rear Of Engine Block
Cruise Control ModuleIn Engine Compartment, Left Side Of Firewall
Data Link ConnectorUnder Left Side Of Instrument Panel
EGR ValveTop Right Front Of Engine
Engine Coolant Level SwitchIn Coolant Reservoir
Engine Coolant Temperature SensorLeft Front Of Cylinder Head
Engine Oil Level SwitchIn Right Side Of Oil Pan
EVAP Canister Purge SolenoidOn Top Right Rear Of Engine
EVAP Canister Vent SolenoidAt Front Right Side Of Fuel Tank
EVAP Canister Purge Vacuum SwitchTop Right Rear Of Engine, Right Of Purge Solenoid
Fuel Composition SensorOn Top Right Side Of Rear Crossmember, Near Fuel Filter
Fuel Pump Level SensorIn Fuel Tank
Fuel Tank Pressure SensorIn Fuel Tank
Heated Oxygen Sensor - Bank 1, Sensor 1In Left Exhaust Pipe, Forward Of Catalytic Converter
Heated Oxygen Sensor - Bank 1, Sensor 2In Left Exhaust Pipe, After Catalytic Converter
Heated Oxygen Sensor - Bank 2, Sensor 1In Right Exhaust Pipe, Forward Of Catalytic Converter
Heated Oxygen Sensor - Bank 2, Sensor 2In Right Exhaust Pipe, After Catalytic Converter
Heater & A/C Control ModuleCenter Of Instrument Panel, At Heater Control
Idle Air Control ValveIn Throttle Body Housing
Ignition CoilOn Rocker Cover
Intake Air Temperature SensorPart Of MAF Sensor, On Air Induction Tube
Knock SensorUnder Intake Manifold, Near Front Of Engine
Manifold Absolute Pressure SensorTop Rear Of Engine, On Intake Manifold
Mass Airflow SensorIn Air Induction Tube, Near Air Cleaner Assembly
Powertrain Control ModuleNear Left Front Of Engine Compartment
Secondary Air Injection Reaction RelayIn Underhood Bussed Electrical Center
Secondary Air Injection Reaction SolenoidAt Right Rear Of Engine Compartment
Throttle Position SensorOn Throttle Body
Underhood Bussed Electrical CenterAt Left Side Of Engine Compartment, Near Battery
Vehicle Speed Sensor Adapter (4WD)On Left Side Of Transfer Case
Vehicle Speed SensorIn Extension Housing, On Left Side Of Transmission

COMPONENT LOCATIONS

Scheme 38

Scheme 38: COMPONENT LOCATIONS

Scheme 39

Scheme 39

Scheme 40

Scheme 40

Scheme 41

Scheme 41

Scheme 42

Scheme 42

Scheme 43

Scheme 43

Scheme 44

Scheme 44

Scheme 45

Scheme 45

Scheme 46

Scheme 46

Scheme 47

Scheme 47

Scheme 48

Scheme 48