Repair manual
Wiring diagrams
Chevrolet Caprice IV Repair Manual
Step-by-step repair and maintenance instructions for the Chevrolet Caprice IV (1990–1996): removal, installation, adjustment, diagnostics and parameter checks with illustrations.
67sections
273articles
ENManual language
- INTRODUCTION
- A & C CHART REFERENCES
- BODY CODE IDENTIFICATION
- Ground Circuits
- Power Circuits
- ENGINE SENSORS & SWITCHES
- A/C ON (A/C REQUEST) SWITCH TEST
- A/C PRESSURE SENSOR
- A/C PRESSURE SWITCH
- BRAKE SWITCH
- CAMSHAFT POSITION SENSOR (C(3)I SYSTEM)
- COOLANT TEMPERATURE SENSOR (CTS)
- CRANKSHAFT SENSOR
- DUAL CRANK (COMBINATION) SENSOR (C(3)I)
- INTAKE AIR TEMPERATURE (IAT) SENSOR
- KNOCK SENSOR (KS)
- MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR (C-1)
- MASS AIRFLOW (MAF) SENSOR (3.3L & 3.8L)
- MANIFOLD AIR TEMPERATURE (MAT) SENSOR
- OXYGEN SENSOR
- PARK/NEUTRAL POSITION (PNP) SWITCH (C-1)
- POWER STEERING PRESSURE (PSP) SWITCH (C-1)
- THROTTLE POSITION (TP) SENSOR
- VEHICLE SPEED SENSOR (PM GENERATOR TYPE)
- VEHICLE SPEED SENSOR (LED TYPE)
- SECONDARY AIR ELECTRIC AIR PUMP (3.4L VIN S)
- SECONDARY AIR ELECTRIC AIR PUMP (3.4L VIN X M/T)
- IDLE AIR CONTROL (IAC) MOTOR & IDLE SPEED CONTROL (ISC) MOTOR
- A/C CLUTCH RELAY
- ELECTRIC AIR PUMP RELAY
- FUEL PUMP RELAY
- AIR BY-PASS VALVE SOLENOID
- CANISTER PURGE SOLENOID
- EGR CONTROL SOLENOID
- FUEL DELIVERY
- Fuel Pressure Regulator (PFI)
- Fuel Pressure Regulator (TBI)
- Fuel Pump Relay (A-5)
- Fuel Pump Relay By-Pass Procedure
- Oil Pressure Switch Fuel Pump Back-Up
- Fuel Injector(s)
- PFI Injector Balance Test (C-2)
- IDLE AIR CONTROL (IAC) MOTOR
- IGNITION SYSTEM
- Ignition Control (IC) Timing Advance System
- Knock Sensor (KS) System Without KS Controller (C-5)
- Knock Sensor (KS) System With KS Controller (C-5)
- AIR Pump (Belt-Driven)
- Check Valve
- Electric AIR Control By-Pass Valve (3.1L & 3.4L VIN X)
- Electric AIR Pump Relay (3.4L VIN S)
- EXHAUST GAS RECIRCULATION (C-7)
- System Test (Vacuum Operated)
- EGR Control Solenoid (Normally Closed)
- EGR Control Solenoid (Normally Open)
- Digital EGR Valve (3.1L, 3.4L & 3.8L)
- Positive Backpressure EGR Valve
- Negative Backpressure EGR Valve
- FUEL EVAPORATION CONTROL (C-3)
- Canister Purge Solenoid (Normally Closed)
- Canister Purge Solenoid (Normally Open)
- Fuel Tank Pressure Control Valve
- Required Service
- Checking PCV Valve Function
- Damper Door - Wax Pellet Actuator Check (TBI)
- MISCELLANEOUS CONTROLS
- HOT LIGHT OR COOLANT TEMPERATURE LIGHT
- Converter Clutch Solenoid
- Converter Lock-Up Signal At Transmission
- Converter Lock-Up Signal From ECM
- Shift Light (Manual Transmission)
- A/C CLUTCH (C-10) & ELECTRIC COOLING FAN (C-12)
- Cooling Fan System & Quad-Driver Check
- Cooling Fan Relay
- Cooling Fan Motor
- DIAGNOSTIC CHARTS
- CHART C-12 - COOLING FAN CKT (1 OF 2)(3.1L "J" BODY)
- Diagnostic Aids
- CHART C-12 - COOLING FAN CKT (2 OF 2)(3.1L "J" BODY)
- CHART C-10 - A/C CLUTCH CONTROL CKT (1 OF 2)(3.1L "J" BODY)
- CHART C-10 - A/C CLUTCH CONTROL CKT (2 OF 2)(3.1L "J" BODY)
- CHART C-12 - COOLING FAN CKT (1 OF 2)(3.1L "L" BODY)
- CHART C-12 - COOLING FAN CKT (2 OF 2)(3.1L "L" BODY)
- CHART C-10 - A/C CLUTCH CONTROL CKT (1 OF 2)(3.1L "L" BODY)
- CHART C-10 - A/C CLUTCH CONTROL CKT (2 OF 2)(3.1L "L" BODY)
- CHART C-12 - COOLING FAN CKT (1 OF 2)(3.1L "W" BODY - CALIF.)
- CHART C-12 - COOLING FAN CKT (2 OF 2)(3.1L "W" BODY - CALIF.)
- CHART C-12 - COOLING FAN CKT (1 OF 2)(3.1L "W" BODY - FED.)
- CHART C-12 - COOLING FAN CKT (2 OF 2)(3.1L "W" BODY - FED.)
- CHART C-10 - A/C CLUTCH CONTROL CKT (1 OF 2)(3.1L "W" BODY - FEDERAL)
- CHART C-10 - A/C CLUTCH CONTROL CKT (2 OF 2)(3.1L "W" BODY - FEDERAL)
- CHART C-12A - COOLING FAN CKT (1 OF 3)(3.3L "A" BODY)
- CHART C-12B - COOLING FAN INOPERATIVE (2 OF 3)(3.3L "A" BODY)
- CHART C-12C - COOLING FAN ON AT ALL TIMES (3 OF 3)(3.3L "A" BODY)
- CHART C-10 - A/C CLUTCH CONTROL CKT (1 OF 2)(3.3L "A" BODY)
- CHART C-10 - A/C CLUTCH CONTROL CKT (2 OF 2)(3.3L "A" BODY)
- CHART C-12 - COOLING FAN CKT (1 OF 3)(3.3L "N" BODY)
- CHART C-12A - COOLING FAN INOPERATIVE (2 OF 3)(3.3L "N" BODY)
- CHART C-12B - COOLING FAN ON AT ALL TIMES (3 OF 3)(3.3L "N" BODY)
- CHART C-10 - A/C CLUTCH CONTROL CKT (3.3L "N" BODY)
- CHART C-12 - COOLING FAN CKT (1 OF 2)(3.4L "F" BODY)
- CHART C-12 - COOLING FAN CKT (2 OF 2)(3.4L "F" BODY)
- CHART C-10 - A/C CLUTCH CONTROL CKT (3.4L "F" BODY)
- CHART C-12 - COOLING FAN CKT (1 OF 2)(3.4L "W" BODY)
- CHART C-12 - COOLING FAN CKT (2 OF 2)(3.4L "W" BODY)
- CHART C-10 - A/C CLUTCH CONTROL CKT (1 OF 2)(3.4L "W" BODY)
- CHART C-10 - A/C CLUTCH CONTROL CKT (2 OF 2)(3.4L "W" BODY)
- CHART C-12A - COOLING FAN CKT (1 OF 4)(3.8L "C" & "H" BODIES)
- CHART C-12B - COOLING FAN ON AT ALL TIMES (2 OF 4)(3.8L "C" & "H" BODIES)
- CHART C-12C - COOLING FAN NO LOW SPEED FAN (3 OF 4)(3.8L "C" & "H" BODIES)
- CHART C-12D - COOLING FAN NO HIGH SPEED FAN (4 OF 4)(3.8L "C" & "H" BODIES)
- CHART C-12A - COOLING FAN CIRCUIT DIAGNOSIS (1 OF 5)(3.8L "E" BODY)
- CHART C-12B - COOLING FAN NO LOW SPEED (2 OF 5)(3.8L "E" BODY)
- CHART C-12C-A - COOLING FAN NO HIGH SPEED REAR FAN (3 OF 5) (3.8L "E" BODY)
- CHART C-12C-B - COOLING FAN NO HIGH SPEED FRONT FAN (4 OF 5) (3.8L "E" BODY)
- CHART C-12D - COOLING FAN ON AT ALL TIMES (5 OF 5)(3.8L "E" BODY)
- CHART C-12A - COOLING FAN CKT (1 OF 6)(3.8L "W" BODY)
- CHART C-12B - COOLING FAN NO LOW SPEED (2 OF 6)(3.8L "W" BODY)
- CHART C-12C-A - COOLING FAN NO HIGH SPEED RIGHT SIDE COOLING FAN (3 OF 6)(3.8L "W" BODY)
- CHART C-12C-B - COOLING FAN NO HIGH SPEED LEFT SIDE COOLING FAN (4 OF 6) (3.8L "W" BODY)
- CHART C-12D-A - COOLING FAN LOW SPEED FAN(S) ON AT ALL TIMES (5 OF 6) (3.8L "W" BODY)
- CHART C-12D-B - COOLING FAN HIGH SPEED FAN(S) ON AT ALL TIMES (6 OF 6) (3.8L "W" BODY)
- CHART C-10 - A/C CLUTCH CONTROL CKT (3.8L "W" BODY)
- CHART C-10 - A/C CLUTCH CONTROL CKT (4.3L "B" BODY)