GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

A/C Pressure Transducer Sensor

Right hand lower front corner of the engine, on the A/C compressor

Engine Controls Component Views

Engine Controls Connector End Views

ABS/TCC Switch (LH Drive)

Under left hand of the instrument panel, near the top of the brake pedal

Engine Controls Component Views

Engine Controls Connector End Views

ABS/TCC Switch (RH Drive)

Under right hand of the instrument panel, near the top of the brake pedal

Engine Controls Component Views

Engine Controls Connector End Views

Automatic Transaxle Internal Mode Switch (IMS)

Left hand of the transaxle, below the throttle body

Engine Controls Component Views

Engine Controls Connector End Views

Camshaft Position (CMP) Sensor

Right hand rear corner of the engine, in the cam carrier, near the power steering pump

Engine Controls Component Views

Engine Controls Connector End Views

Continuously Variable Road Sensing Suspension (CVRSS) Module

Right hand rear of the passenger compartment, behind the rear seat back

Suspension Controls Component Views

Suspension Controls Connector End Views

Crankshaft Position (CKP) Sensor A

Center front of the engine, near base of the engine oil level indicator

Engine Controls Component Views

Engine Controls Connector End Views

Crankshaft Position (CKP) Sensor B

Center front of the engine, near base of the engine oil level indicator

Engine Controls Component Views

Engine Controls Connector End Views

Cruise Control Module (LH Drive)

Center rear of the engine compartment, near the power brake booster

Cruise Control Component Views

Cruise Control Connector End Views

Cruise Control Module (RH Drive)

Center rear of the engine compartment, above the ignition coils

Cruise Control Component Views

Cruise Control Connector End Views

Data Link Connector (DLC) (LH Drive)

Under left hand of the instrument panel near the steering column

Data Link Communications Component Views

Data Link Communications Connector End Views

Data Link Connector (DLC) (RH Drive)

Under right hand of the instrument panel near the steering column

Data Link Communications Component Views

Data Link Communications Connector End Views

Electronic Brake and Traction Control Module (EBTCM)

Left hand front corner of the engine compartment, below the air cleaner housing

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Engine Coolant Temperature (ECT) Sensor

Left hand rear corner of the engine, below the exhaust gas recirculation valve

Engine Controls Component Views

Engine Controls Connector End Views

Engine Oil Level Switch

Bottom front of the engine, near the A/C compressor

Engine Controls Component Views

Engine Controls Connector End Views

Engine Oil Pressure Indicator Switch

Center front of the engine, near the engine oil filler adapter

Engine Controls Component Views

Engine Controls Connector End Views

Evaporative Emissions (EVAP) Canister Purge Valve

Left hand rear of the engine, on the cam cover, near the ignition coils

Engine Controls Component Views

Engine Controls Connector End Views

Evaporative Emissions (EVAP) Canister Vent Valve

Left hand rear of the engine on the cam cover, near the ignition coils

Engine Controls Component Views

Engine Controls Connector End Views

Exhaust Gas Recirculation (EGR) Valve

Left hand rear corner of the engine, near the throttle body

Engine Controls Component Views

Engine Controls Connector End Views

Fuel Injectors

Center top of the engine, under the intake manifold top cover

Engine Controls Component Views

Engine Controls Connector End Views

Fuel Tank Pressure Sensor

Under the rear of the vehicle, on top of the fuel tank

Engine Controls Component Views

Engine Controls Connector End Views

Fuel Tank Sender

Under the center rear of the vehicle, in the fuel tank

Engine Controls Component Views

Engine Controls Connector End Views

Generator

Right hand front corner of the engine, near the underhood bussed electrical center

Engine Electrical Component Views

Engine Electrical Connector End Views

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1

Center rear of the engine compartment, on the rear exhaust manifold

Engine Controls Component Views

Engine Controls Connector End Views

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2

Center front of the engine compartment, on the front exhaust manifold

Engine Controls Component Views

Engine Controls Connector End Views

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1

Under the center of the vehicle, near the catalytic converter rear flange

Engine Controls Component Views

Engine Controls Connector End Views

Idle Air Control (IAC) Valve Sensor

Left hand of the engine, in the front of the throttle body

Engine Controls Component Views

Engine Controls Connector End Views

Ignition Coil Assembly - Front Bank

Under the intake manifold top cover, on the front of the engine

Engine Controls Component Views

Engine Controls Connector End Views

Ignition Coil Assembly - Rear Bank

Under the intake manifold top cover, on the rear of the engine

Engine Controls Component Views

Engine Controls Connector End Views

Ignition Control (IC) Module-Front Bank

Front, top of the engine

Engine Controls Component Views

Engine Controls Connector End Views

Ignition Control (IC) Module-Rear Bank

Rear, top of the engine

Engine Controls Component Views

Engine Controls Connector End Views

Ignition Switch (LH Drive)

Left hand of the instrument panel, right of the steering column in the instrument panel

Power and Grounding Component Views

Power and Grounding Connector End Views

Ignition Switch (RH Drive)

Right hand of the instrument panel, right of the steering column in the instrument panel

Power and Grounding Component Views

Power and Grounding Connector End Views

Instrument Cluster

Left hand of the instrument panel, above the steering column

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

Instrument Cluster

Right hand of the instrument panel, above the steering column

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

Knock Sensor

Center top of the engine, under the intake manifold top cover

Engine Controls Component Views

Engine Controls Connector End Views

LH Engine Cooling Fan Motor

Left hand front of the engine compartment, behind the radiator

Cooling System Component Views

Cooling System Connector End Views

Manifold Absolute Pressure (MAP) Sensor

Rear of the engine, near the ignition coils

Engine Controls Component Views

Engine Controls Connector End Views

Mass Air Flow/Intake Air Temperature (MAF/IAT) Sensor

Center left of the engine, on the throttle body

Engine Controls Component Views

Engine Controls Connector End Views

Powertrain Control Module (PCM)

Left hand front corner of the engine compartment, below the air cleaner

Engine Controls Component Views

Powertrain Control Module Connector End Views

Rear Fuse Block

Left hand rear of the pasenger compartment, under the rear seat

Power and Grounding Component Views

Power and Grounding Connector End Views

RH Engine Cooling Fan Motor

Right hand front of the engine compartment, behind the radiator

Cooling System Component Views

Cooling System Connector End Views

Secondary Air Injection (AIR) Pump Motor 1 (w/NB6)

Lower right front corner of the engine compartment

Engine Controls Component Views

Engine Controls Connector End Views

Secondary Air Injection (AIR) Pump Motor 2 (w/NB6)

Lower right front corner of the engine compartment

Engine Controls Component Views

Engine Controls Connector End Views

Secondary Air Injection (AIR) Pump Relay 1 (w/NB6)

Right rear corner of the engine compartment, near the radiator surge tank

Engine Controls Component Views

Engine Controls Connector End Views

Secondary Air Injection (AIR) Pump Relay 2 (w/NB6)

Right rear corner of the engine compartment, near the radiator surge tank

Engine Controls Component Views

Engine Controls Connector End Views

Secondary Air Injection (AIR) Solenoid Valve (w/NB6)

Center rear of the engine compartment, on the rear exhaust manifold

Engine Controls Component Views

Engine Controls Connector End Views

Theft Deterrent Module (LH Drive)

Left hand of the instrument panel, right of the steering column

Theft Deterrent System Component Views

Theft Deterrent System Connector End Views

Theft Deterrent Module (RH Drive)

Right hand of the instrument panel, right of the steering column

Theft Deterrent System Component Views

Theft Deterrent System Connector End Views

Throttle Position (TP) Sensor

Left hand of the engine, in the front of the throttle body

Engine Controls Component Views

Engine Controls Connector End Views

Underhood Fuse Block

Right hand rear of the engine compartment, near the power steering pump

Power and Grounding Component Views

Power and Grounding Connector End Views

Vehicle Speed Sensor (VSS)

Right hand center of the engine compartment, on the transaxle case extension

Engine Controls Component Views

Engine Controls Connector End Views

C100 (20 cavities)

Transaxle harness to engine harness, left hand of the engine compartment near the thermostat housing

Harness Routing Views

Inline Harness Connector End Views

C101 (40 cavities)

Engine harness to body harness, left hand of the engine compartment near the coolant reservoir

Harness Routing Views

Inline Harness Connector End Views

C107 (2 cavities)

Starter harness to engine harness, right hand rear corner of the engine near the rear cam cover

Harness Routing Views

Inline Harness Connector End Views

C200 (30 cavities) (LH Drive)

Instrument panel harness to body harness, under left hand of the instrument panel near the park brake pedal

Harness Routing Views

Inline Harness Connector End Views

C200 (30 cavities) (RH Drive)

Instrument panel harness to body harness, under left hand of the instrument panel near the rear of the instrument panel compartment

Harness Routing Views

Inline Harness Connector End Views

C201 (30 cavities)

Instrument panel harness to body harness, under right hand of the instrument panel near the rear of the instrument panel compartment

Harness Routing Views

Inline Harness Connector End Views

C201 (30 cavities)

Instrument panel harness to body harness, under right hand of the instrument panel near the accelarator pedal

Harness Routing Views

Inline Harness Connector End Views

C420 (7 cavities)

Fuel tank harness to body harness, under right hand rear of the vehicle near the rear of the wheelhouse

Harness Routing Views

Inline Harness Connector End Views

G101

Left hand of the engine compartment, below the engine coolant reservoir

Power and Grounding Component Views

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G104

Right hand of the engine compartment, below the underhood fuse block

Power and Grounding Component Views

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G200

Left hand front corner of the passenger compartment, under the front of the sill trim plate

Power and Grounding Component Views

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G201

Right hand front corner of the passenger compartment, under the front of the sill trim plate

Power and Grounding Component Views

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G301

Under the left hand front corner of the rear seat

Power and Grounding Component Views

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G401

Right hand rear corner of the rear compartment, near the C403 connector

Power and Grounding Component Views

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P100

Right hand lower corner of the engine compartment block head, near the base of the strut tower

Harness Routing Views

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P101

Left hand lower corner of the engine compartment block head, near the base of the strut tower

Harness Routing Views

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P400

Left hand side of the rear compartment, near the wheelhouse

Harness Routing Views

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P401

Right hand rear corner of the rear compartment, near the C403 connector

Harness Routing Views

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S113

In the transaxle harness, approximately 33.5 cm (13.2 in) from C115

Harness Routing Views

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S201

Body harness left hand of the instrument panel, approximately 26 cm (10.2 in) from P101

Harness Routing Views

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S205

Instrument panel harness, center of the instrument panel approximately 94.5 cm (37.2 in) from the radio connector

Harness Routing Views

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S210

Instrument panel harness, left hand of the instrument panel approximately 22 cm (8.7 in) from the left hand sun load sensor harness breakout

Harness Routing Views

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S212

Instrument panel harness, left hand of the instrument panel approximately 44 cm (17.3 in) from the left driver information center switch

Harness Routing Views

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