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• A/c Compressor
• Abbreviations
• Accessory Drive Belts
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• Application
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• Basic Trouble Shooting
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• Check Lists
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• Cooling System (Mechanical)
• Cruise Control Systems
• Diagnostic Connector Locations
• Differentials & Drive Axles
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• Driveline/axles
• Driveshaft & Universal Joints
• Electrical Component Locations
• Electronic Steering
• Electronic Suspension
• Emission Applications
• Engine
• Engine Controls - System/component Tests - v6
• Engine Performance
• Exterior Lights
• Fuses & Circuit Breakers
• Gauges & Instrument Panels
• General Servicing - All Makes
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• Identification
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• MAP Guidelines
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• Mechanical - Hydraulic
• Metric Conversions
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• Procedures
• Removal & Installation
• Reset Procedures
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• Sensor Range Charts
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• Steering Column
• Steering Column Switches
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• Suspension Rear
• Testing & Diagnostics
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• Traction Control Disable
• Transmission
• Wheel Alignment
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• Wiper/washer Systems
• Wiring Diagrams - Engine Performance

Repair manual

Engine Controls - System/component Tests - v6 Chevrolet Caprice IV

Step-by-step instructions on "Engine Controls - System/component Tests - v6" for Chevrolet Caprice IV (1990–1996). Pick an article — removal, installation, adjustment and diagnostics with illustrations.

124subsections

124articles

113illustrations

INTRODUCTION

1 article

• INTRODUCTION

A & C CHART REFERENCES

1 article

• A & C CHART REFERENCES

BODY CODE IDENTIFICATION

1 article

• BODY CODE IDENTIFICATION 1

Ground Circuits

1 article

• Ground Circuits

Power Circuits

1 article

• Power Circuits

ENGINE SENSORS & SWITCHES

1 article

• ENGINE SENSORS & SWITCHES

A/C ON (A/C REQUEST) SWITCH TEST

1 article

• A/C ON (A/C REQUEST) SWITCH TEST

A/C PRESSURE SENSOR

1 article

• A/C PRESSURE SENSOR

A/C PRESSURE SWITCH

1 article

• A/C PRESSURE SWITCH

BRAKE SWITCH

1 article

• BRAKE SWITCH

CAMSHAFT POSITION SENSOR (C(3)I SYSTEM)

1 article

• CAMSHAFT POSITION SENSOR (C(3)I SYSTEM)

COOLANT TEMPERATURE SENSOR (CTS)

1 article

• COOLANT TEMPERATURE SENSOR (CTS)

CRANKSHAFT SENSOR

1 article

• CRANKSHAFT SENSOR

DUAL CRANK (COMBINATION) SENSOR (C(3)I)

1 article

• DUAL CRANK (COMBINATION) SENSOR (C(3)I) 2

INTAKE AIR TEMPERATURE (IAT) SENSOR

1 article

• INTAKE AIR TEMPERATURE (IAT) SENSOR

KNOCK SENSOR (KS)

1 article

• KNOCK SENSOR (KS)

MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR (C-1)

1 article

• MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR (C-1) 1

MASS AIRFLOW (MAF) SENSOR (3.3L & 3.8L)

1 article

• MASS AIRFLOW (MAF) SENSOR (3.3L & 3.8L)

MANIFOLD AIR TEMPERATURE (MAT) SENSOR

1 article

• MANIFOLD AIR TEMPERATURE (MAT) SENSOR

OXYGEN SENSOR

1 article

• OXYGEN SENSOR

PARK/NEUTRAL POSITION (PNP) SWITCH (C-1)

1 article

• PARK/NEUTRAL POSITION (PNP) SWITCH (C-1) 1

POWER STEERING PRESSURE (PSP) SWITCH (C-1)

1 article

• POWER STEERING PRESSURE (PSP) SWITCH (C-1)

THROTTLE POSITION (TP) SENSOR

1 article

• THROTTLE POSITION (TP) SENSOR 1

VEHICLE SPEED SENSOR (PM GENERATOR TYPE)

1 article

• VEHICLE SPEED SENSOR (PM GENERATOR TYPE)

VEHICLE SPEED SENSOR (LED TYPE)

1 article

• VEHICLE SPEED SENSOR (LED TYPE)

SECONDARY AIR ELECTRIC AIR PUMP (3.4L VIN S)

1 article

• SECONDARY AIR ELECTRIC AIR PUMP (3.4L VIN S)

SECONDARY AIR ELECTRIC AIR PUMP (3.4L VIN X M/T)

1 article

• SECONDARY AIR ELECTRIC AIR PUMP (3.4L VIN X M/T)

IDLE AIR CONTROL (IAC) MOTOR & IDLE SPEED CONTROL (ISC) MOTOR

1 article

• IDLE AIR CONTROL (IAC) MOTOR & IDLE SPEED CONTROL (ISC) MOTOR

A/C CLUTCH RELAY

1 article

• A/C CLUTCH RELAY

ELECTRIC AIR PUMP RELAY

1 article

• ELECTRIC AIR PUMP RELAY

FUEL PUMP RELAY

1 article

• FUEL PUMP RELAY

AIR BY-PASS VALVE SOLENOID

1 article

• AIR BY-PASS VALVE SOLENOID

CANISTER PURGE SOLENOID

1 article

• CANISTER PURGE SOLENOID

EGR CONTROL SOLENOID

1 article

• EGR CONTROL SOLENOID

FUEL DELIVERY

1 article

• FUEL DELIVERY

Fuel Pressure Regulator (PFI)

1 article

• Fuel Pressure Regulator (PFI)

Fuel Pressure Regulator (TBI)

1 article

• Fuel Pressure Regulator (TBI)

Fuel Pump Relay (A-5)

1 article

• Fuel Pump Relay (A-5)

Fuel Pump Relay By-Pass Procedure

1 article

• Fuel Pump Relay By-Pass Procedure 1

Oil Pressure Switch Fuel Pump Back-Up

1 article

• Oil Pressure Switch Fuel Pump Back-Up

Fuel Injector(s)

1 article

• Fuel Injector(s)

PFI Injector Balance Test (C-2)

1 article

• PFI Injector Balance Test (C-2)

IDLE AIR CONTROL (IAC) MOTOR

1 article

• IDLE AIR CONTROL (IAC) MOTOR 1

IGNITION SYSTEM

1 article

• IGNITION SYSTEM

Ignition Control (IC) Timing Advance System

1 article

• Ignition Control (IC) Timing Advance System

Knock Sensor (KS) System Without KS Controller (C-5)

1 article

• Knock Sensor (KS) System Without KS Controller (C-5)

Knock Sensor (KS) System With KS Controller (C-5)

1 article

• Knock Sensor (KS) System With KS Controller (C-5)

AIR Pump (Belt-Driven)

1 article

• AIR Pump (Belt-Driven)

Check Valve

1 article

• Check Valve

Electric AIR Control By-Pass Valve (3.1L & 3.4L VIN X)

1 article

• Electric AIR Control By-Pass Valve (3.1L & 3.4L VIN X)

Electric AIR Pump Relay (3.4L VIN S)

1 article

• Electric AIR Pump Relay (3.4L VIN S)

EXHAUST GAS RECIRCULATION (C-7)

1 article

• EXHAUST GAS RECIRCULATION (C-7)

System Test (Vacuum Operated)

1 article

• System Test (Vacuum Operated)

EGR Control Solenoid (Normally Closed)

1 article

• EGR Control Solenoid (Normally Closed)

EGR Control Solenoid (Normally Open)

1 article

• EGR Control Solenoid (Normally Open)

Digital EGR Valve (3.1L, 3.4L & 3.8L)

1 article

• Digital EGR Valve (3.1L, 3.4L & 3.8L) 1

Positive Backpressure EGR Valve

1 article

• Positive Backpressure EGR Valve

Negative Backpressure EGR Valve

1 article

• Negative Backpressure EGR Valve

FUEL EVAPORATION CONTROL (C-3)

1 article

• FUEL EVAPORATION CONTROL (C-3)

Canister Purge Solenoid (Normally Closed)

1 article

• Canister Purge Solenoid (Normally Closed)

Canister Purge Solenoid (Normally Open)

1 article

• Canister Purge Solenoid (Normally Open)

Fuel Tank Pressure Control Valve

1 article

• Fuel Tank Pressure Control Valve

Required Service

1 article

• Required Service

Checking PCV Valve Function

1 article

• Checking PCV Valve Function

Damper Door - Wax Pellet Actuator Check (TBI)

1 article

• Damper Door - Wax Pellet Actuator Check (TBI)

MISCELLANEOUS CONTROLS

1 article

• MISCELLANEOUS CONTROLS

HOT LIGHT OR COOLANT TEMPERATURE LIGHT

1 article

• HOT LIGHT OR COOLANT TEMPERATURE LIGHT

Converter Clutch Solenoid

1 article

• Converter Clutch Solenoid

Converter Lock-Up Signal At Transmission

1 article

• Converter Lock-Up Signal At Transmission

Converter Lock-Up Signal From ECM

1 article

• Converter Lock-Up Signal From ECM 13

Shift Light (Manual Transmission)

1 article

• Shift Light (Manual Transmission) 1

A/C CLUTCH (C-10) & ELECTRIC COOLING FAN (C-12)

1 article

• A/C CLUTCH (C-10) & ELECTRIC COOLING FAN (C-12)

Cooling Fan System & Quad-Driver Check

1 article

• Cooling Fan System & Quad-Driver Check

Cooling Fan Relay

1 article

• Cooling Fan Relay

Cooling Fan Motor

1 article

• Cooling Fan Motor

DIAGNOSTIC CHARTS

1 article

• DIAGNOSTIC CHARTS

CHART C-12 - COOLING FAN CKT (1 OF 2)(3.1L "J" BODY)

1 article

• CHART C-12 - COOLING FAN CKT (1 OF 2)(3.1L "J" BODY)

Diagnostic Aids

1 article

• Diagnostic Aids 2

CHART C-12 - COOLING FAN CKT (2 OF 2)(3.1L "J" BODY)

1 article

• CHART C-12 - COOLING FAN CKT (2 OF 2)(3.1L "J" BODY) 1

CHART C-10 - A/C CLUTCH CONTROL CKT (1 OF 2)(3.1L "J" BODY)

1 article

• CHART C-10 - A/C CLUTCH CONTROL CKT (1 OF 2)(3.1L "J" BODY) 2

CHART C-10 - A/C CLUTCH CONTROL CKT (2 OF 2)(3.1L "J" BODY)

1 article

• CHART C-10 - A/C CLUTCH CONTROL CKT (2 OF 2)(3.1L "J" BODY) 1

CHART C-12 - COOLING FAN CKT (1 OF 2)(3.1L "L" BODY)

1 article

• CHART C-12 - COOLING FAN CKT (1 OF 2)(3.1L "L" BODY) 2

CHART C-12 - COOLING FAN CKT (2 OF 2)(3.1L "L" BODY)

1 article

• CHART C-12 - COOLING FAN CKT (2 OF 2)(3.1L "L" BODY) 1

CHART C-10 - A/C CLUTCH CONTROL CKT (1 OF 2)(3.1L "L" BODY)

1 article

• CHART C-10 - A/C CLUTCH CONTROL CKT (1 OF 2)(3.1L "L" BODY) 2

CHART C-10 - A/C CLUTCH CONTROL CKT (2 OF 2)(3.1L "L" BODY)

1 article

• CHART C-10 - A/C CLUTCH CONTROL CKT (2 OF 2)(3.1L "L" BODY) 1

CHART C-12 - COOLING FAN CKT (1 OF 2)(3.1L "W" BODY - CALIF.)

1 article

• CHART C-12 - COOLING FAN CKT (1 OF 2)(3.1L "W" BODY - CALIF.) 2

CHART C-12 - COOLING FAN CKT (2 OF 2)(3.1L "W" BODY - CALIF.)

1 article

• CHART C-12 - COOLING FAN CKT (2 OF 2)(3.1L "W" BODY - CALIF.) 1

CHART C-12 - COOLING FAN CKT (1 OF 2)(3.1L "W" BODY - FED.)

1 article

• CHART C-12 - COOLING FAN CKT (1 OF 2)(3.1L "W" BODY - FED.) 2

CHART C-12 - COOLING FAN CKT (2 OF 2)(3.1L "W" BODY - FED.)

1 article

• CHART C-12 - COOLING FAN CKT (2 OF 2)(3.1L "W" BODY - FED.) 1

CHART C-10 - A/C CLUTCH CONTROL CKT (1 OF 2)(3.1L "W" BODY - FEDERAL)

1 article

• CHART C-10 - A/C CLUTCH CONTROL CKT (1 OF 2)(3.1L "W" BODY - FEDERAL) 2

CHART C-10 - A/C CLUTCH CONTROL CKT (2 OF 2)(3.1L "W" BODY - FEDERAL)

1 article

• CHART C-10 - A/C CLUTCH CONTROL CKT (2 OF 2)(3.1L "W" BODY - FEDERAL) 1

CHART C-12A - COOLING FAN CKT (1 OF 3)(3.3L "A" BODY)

1 article

• CHART C-12A - COOLING FAN CKT (1 OF 3)(3.3L "A" BODY) 2

CHART C-12B - COOLING FAN INOPERATIVE (2 OF 3)(3.3L "A" BODY)

1 article

• CHART C-12B - COOLING FAN INOPERATIVE (2 OF 3)(3.3L "A" BODY) 1

CHART C-12C - COOLING FAN ON AT ALL TIMES (3 OF 3)(3.3L "A" BODY)

1 article

• CHART C-12C - COOLING FAN ON AT ALL TIMES (3 OF 3)(3.3L "A" BODY) 1

CHART C-10 - A/C CLUTCH CONTROL CKT (1 OF 2)(3.3L "A" BODY)

1 article

• CHART C-10 - A/C CLUTCH CONTROL CKT (1 OF 2)(3.3L "A" BODY) 2

CHART C-10 - A/C CLUTCH CONTROL CKT (2 OF 2)(3.3L "A" BODY)

1 article

• CHART C-10 - A/C CLUTCH CONTROL CKT (2 OF 2)(3.3L "A" BODY) 1

CHART C-12 - COOLING FAN CKT (1 OF 3)(3.3L "N" BODY)

1 article

• CHART C-12 - COOLING FAN CKT (1 OF 3)(3.3L "N" BODY) 2

CHART C-12A - COOLING FAN INOPERATIVE (2 OF 3)(3.3L "N" BODY)

1 article

• CHART C-12A - COOLING FAN INOPERATIVE (2 OF 3)(3.3L "N" BODY) 1

CHART C-12B - COOLING FAN ON AT ALL TIMES (3 OF 3)(3.3L "N" BODY)

1 article

• CHART C-12B - COOLING FAN ON AT ALL TIMES (3 OF 3)(3.3L "N" BODY) 1

CHART C-10 - A/C CLUTCH CONTROL CKT (3.3L "N" BODY)

1 article

• CHART C-10 - A/C CLUTCH CONTROL CKT (3.3L "N" BODY) 3

CHART C-12 - COOLING FAN CKT (1 OF 2)(3.4L "F" BODY)

1 article

• CHART C-12 - COOLING FAN CKT (1 OF 2)(3.4L "F" BODY) 2

CHART C-12 - COOLING FAN CKT (2 OF 2)(3.4L "F" BODY)

1 article

• CHART C-12 - COOLING FAN CKT (2 OF 2)(3.4L "F" BODY) 1

CHART C-10 - A/C CLUTCH CONTROL CKT (3.4L "F" BODY)

1 article

• CHART C-10 - A/C CLUTCH CONTROL CKT (3.4L "F" BODY) 3

CHART C-12 - COOLING FAN CKT (1 OF 2)(3.4L "W" BODY)

1 article

• CHART C-12 - COOLING FAN CKT (1 OF 2)(3.4L "W" BODY) 2

CHART C-12 - COOLING FAN CKT (2 OF 2)(3.4L "W" BODY)

1 article

• CHART C-12 - COOLING FAN CKT (2 OF 2)(3.4L "W" BODY) 1

CHART C-10 - A/C CLUTCH CONTROL CKT (1 OF 2)(3.4L "W" BODY)

1 article

• CHART C-10 - A/C CLUTCH CONTROL CKT (1 OF 2)(3.4L "W" BODY) 2

CHART C-10 - A/C CLUTCH CONTROL CKT (2 OF 2)(3.4L "W" BODY)

1 article

• CHART C-10 - A/C CLUTCH CONTROL CKT (2 OF 2)(3.4L "W" BODY) 1

CHART C-12A - COOLING FAN CKT (1 OF 4)(3.8L "C" & "H" BODIES)

1 article

• CHART C-12A - COOLING FAN CKT (1 OF 4)(3.8L "C" & "H" BODIES) 2

CHART C-12B - COOLING FAN ON AT ALL TIMES (2 OF 4)(3.8L "C" & "H" BODIES)

1 article

• CHART C-12B - COOLING FAN ON AT ALL TIMES (2 OF 4)(3.8L "C" & "H" BODIES) 1

CHART C-12C - COOLING FAN NO LOW SPEED FAN (3 OF 4)(3.8L "C" & "H" BODIES)

1 article

• CHART C-12C - COOLING FAN NO LOW SPEED FAN (3 OF 4)(3.8L "C" & "H" BODIES) 1

CHART C-12D - COOLING FAN NO HIGH SPEED FAN (4 OF 4)(3.8L "C" & "H" BODIES)

1 article

• CHART C-12D - COOLING FAN NO HIGH SPEED FAN (4 OF 4)(3.8L "C" & "H" BODIES) 1

CHART C-12A - COOLING FAN CIRCUIT DIAGNOSIS (1 OF 5)(3.8L "E" BODY)

1 article

• CHART C-12A - COOLING FAN CIRCUIT DIAGNOSIS (1 OF 5)(3.8L "E" BODY) 2

CHART C-12B - COOLING FAN NO LOW SPEED (2 OF 5)(3.8L "E" BODY)

1 article

• CHART C-12B - COOLING FAN NO LOW SPEED (2 OF 5)(3.8L "E" BODY) 2

CHART C-12C-A - COOLING FAN NO HIGH SPEED REAR FAN (3 OF 5) (3.8L "E" BODY)

1 article

• CHART C-12C-A - COOLING FAN NO HIGH SPEED REAR FAN (3 OF 5) (3.8L "E" BODY) 2

CHART C-12C-B - COOLING FAN NO HIGH SPEED FRONT FAN (4 OF 5) (3.8L "E" BODY)

1 article

• CHART C-12C-B - COOLING FAN NO HIGH SPEED FRONT FAN (4 OF 5) (3.8L "E" BODY) 2

CHART C-12D - COOLING FAN ON AT ALL TIMES (5 OF 5)(3.8L "E" BODY)

1 article

• CHART C-12D - COOLING FAN ON AT ALL TIMES (5 OF 5)(3.8L "E" BODY) 1

CHART C-12A - COOLING FAN CKT (1 OF 6)(3.8L "W" BODY)

1 article

• CHART C-12A - COOLING FAN CKT (1 OF 6)(3.8L "W" BODY) 2

CHART C-12B - COOLING FAN NO LOW SPEED (2 OF 6)(3.8L "W" BODY)

1 article

• CHART C-12B - COOLING FAN NO LOW SPEED (2 OF 6)(3.8L "W" BODY) 1

CHART C-12C-A - COOLING FAN NO HIGH SPEED RIGHT SIDE COOLING FAN (3 OF 6)(3.8L "W" BODY)

1 article

• CHART C-12C-A - COOLING FAN NO HIGH SPEED RIGHT SIDE COOLING FAN (3 OF 6)(3.8L "W" BODY) 2

CHART C-12C-B - COOLING FAN NO HIGH SPEED LEFT SIDE COOLING FAN (4 OF 6) (3.8L "W" BODY)

1 article

• CHART C-12C-B - COOLING FAN NO HIGH SPEED LEFT SIDE COOLING FAN (4 OF 6) (3.8L "W" BODY) 2

CHART C-12D-A - COOLING FAN LOW SPEED FAN(S) ON AT ALL TIMES (5 OF 6) (3.8L "W" BODY)

1 article

• CHART C-12D-A - COOLING FAN LOW SPEED FAN(S) ON AT ALL TIMES (5 OF 6) (3.8L "W" BODY) 1

CHART C-12D-B - COOLING FAN HIGH SPEED FAN(S) ON AT ALL TIMES (6 OF 6) (3.8L "W" BODY)

1 article

• CHART C-12D-B - COOLING FAN HIGH SPEED FAN(S) ON AT ALL TIMES (6 OF 6) (3.8L "W" BODY) 1

CHART C-10 - A/C CLUTCH CONTROL CKT (3.8L "W" BODY)

1 article

• CHART C-10 - A/C CLUTCH CONTROL CKT (3.8L "W" BODY) 4

CHART C-10 - A/C CLUTCH CONTROL CKT (4.3L "B" BODY)

1 article

• CHART C-10 - A/C CLUTCH CONTROL CKT (4.3L "B" BODY) 16