GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 TrailBlazer - 4WD 🢒 Power and Signal Distribution 🢒 Wiring Systems and Power Management 🢒 Powertrain Component Views
Figure 1:

Top of Engine (LL8)
Object Number: 1550688 Size: MF
(1)Ignition Coil 1
(2)Ignition Coil 2
(3)Ignition Coil 3
(4)Ignition Coil 4
(5)Ignition Coil 5
(6)Ignition Coil 6
(7)Fuel Injector 6
(8)Fuel Injector 5
(9)Fuel Injector 4
(10)Fuel Injector 3
(11)Fuel Injector 2
(12)Fuel Injector 1
Figure 2:

Top of Engine - Rear (LL8)
Object Number: 1708922 Size: MF
(1)Manifold Absolute Pressure (MAP) Sensor
(2)Throttle Body
(3)Engine Coolant Temperature (ECT) Sensor
Figure 3:

Front of Engine (LH6/LS2)
Object Number: 1657612 Size: LF
(1)Camshaft Position (CMP) Sensor
(2)X110
Figure 4:

Rear of Engine (LH6/LS2)
Object Number: 1488873 Size: MF
(1)Engine
(2)Engine Harness
(3)Engine Oil Pressure (EOP) Sensor Connector
(4)Valve Lifter Oil Manifold (VLOM) Assembly
(5)Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 Connector
(6)Transmission
(7)Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 Connector
Figure 5:

Right Side of Engine - Front
Object Number: 1708918 Size: MF
(1)Mass Air Flow (MAF) / Intake Air Temperature (IAT) Sensor
(2)Camshaft Actuator Solenoid Assembly
(3)Camshaft Position (CMP) Sensor
(4)Engine Oil Pressure (EOP) Switch
(5)Heated Oxygen Sensor (HO2S) Sensor 1
Figure 6:

Right Side of Engine - Upper (LH6/LS2)
Object Number: 1488864 Size: MF
(1)Engine
(2)Fuel Injector 8
(3)Fuel Injector 6
(4)Fuel Injector 4
(5)Fuel Injector 2
(6)Throttle Body
(7)Ignition Coil 2
(8)Ignition Coil 4
(9)Ignition Coil Harness
(10)X108
(11)Ignition Coil 6
(12)Ignition Coil 8
Figure 7:

Right Side of Engine - Rear (LH6/LS2)
Object Number: 1488866 Size: MF
(1)Crankshaft Position (CKP) Sensor
(2)Knock Sensor (KS) 2 - Right
(3)Engine Harness
(4)Starter
(5)Engine
Figure 8:

Left Side of Engine - Rear (LL8)


Object Number: 1492075 Size: MF
(1)Evaporative Emission (EVAP) Canister Purge Solenoid
(2)Starter
(3)Crankshaft Position (CKP) Sensor
(4)Knock Sensor (KS) 2, Rear
(5)Knock Sensor (KS) 1, Front
Figure 9:

Left Side of Engine - Rear (LL8)


Object Number: 1492075 Size: MF
(1)Evaporative Emission (EVAP) Canister Purge Solenoid
(2)Starter
(3)Crankshaft Position (CKP) Sensor
(4)Knock Sensor (KS) 2, Rear
(5)Knock Sensor (KS) 1, Front
Figure 10:

Left Side of Engine - Upper (LH6/LS2)
Object Number: 1488867 Size: MF
(1)Fuel Injector 1
(2)Evaporative Emission (EVAP) Canister Purge Solenoid
(3)Fuel Injector 3
(4)Manifold Absolute Pressure (MAP) Sensor
(5)Fuel Injector 5
(6)Fuel Injector 7
(7)Engine
(8)Ignition Coil 7
(9)Ignition Coil 5
(10)Ignition Coil Harness
(11)X109
(12)Ignition Coil 3
(13)Ignition Coil 1
Figure 11:

Left Side of Engine - Rear (LH6/LH2)
Object Number: 1488868 Size: MF
(1)G108
(2)Knock Sensor (KS) 1 - Left
(3)Engine
(4)G107
(5)Engine Harness
Figure 12:

Transmission Components - Internal
Object Number: 1552905 Size: LF
(36)Vehicle Speed Sensor (VSS) - Model Dependent
(66)Torque Converter Clutch (TCC) Solenoid Valve
(69)Automatic Transmission Fluid Pressure (TFP) Manual Valve Position Switch
(250)Input Speed Sensor (ISS) Assembly - Model Dependent
(367a)1-2 Shift Solenoid (SS) Valve
(367b)2-3 Shift Solenoid (SS) Valve
(377)Pressure Control (PC) Solenoid Valve
(394)3-2 Shift Solenoid (SS) Valve Assembly
(396)Torque Converter Clutch Pulse Width Modulation (TCC PWM) Solenoid Valve
Figure 13:

Transmission Components - Left Side
Object Number: 1283232 Size: MF
(1)Automatic Transmission 4L60-E/4L65-E/4L70-E
(2)Park/Neutral Position (PNP) Switch
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