Repair manual
Cadillac Brougham I Repair Manual
Step-by-step repair and maintenance instructions for the Cadillac Brougham I (1987–1992): removal, installation, adjustment, diagnostics and parameter checks with illustrations.
57sections
284articles
ENManual language
- MODEL IDENTIFICATION
- Computer Harness
- Controlled Devices
- Information Sensors
- Emissions Systems (Not ECM Controlled)
- BASIC DIAGNOSTIC PROCEDURE
- READING TROUBLE CODES
- ECM TROUBLE CODE DEFINITIONS
- TROUBLE CODE DETERMINATION (HARD OR INTERMITTENT)
- CLEARING TROUBLE CODES
- DIAGNOSTIC MATERIALS
- Diagnostic Charts
- Diagnostic Aids
- System Performance Check (Carbureted Models)
- Field Service Mode Check (Fuel Injected Models)
- SPECIAL TOOLS (DIAGNOSTIC)
- TERMINAL ID & PIN VOLTAGE CHARTS
- DIAGNOSTIC CIRCUIT CHECK
- SYSTEM PERFORMANCE CHECK
- CHART A1 - DWELL FIXED LESS THAN 10 DEGREES
- CHART A2 - DWELL FIXED BETWEEN 10°-50°
- CHART A3 - DWELL FIXED GREATER THAN 50 DEGREES
- CHART A5 - NO "SERVICE ENGINE SOON" LIGHT
- CHART A6 - "SES" LIGHT ON, WON'T FLASH CODE 12
- CHART B1 - RESTRICTED EXHAUST SYSTEM CHECK
- Check At Air Pipe
- Check At O2 Sensor
- Diagnosis
- CODE 12 - NO DISTRIBUTOR REFERENCE PULSES
- CODE 13 - OPEN OXYGEN SENSOR CIRCUIT
- CODE 14 - COOLANT TEMP SENSOR SIGNAL VOLT LOW
- CODE 15 - COOLANT TEMP SENSOR SIGNAL VOLTAGE HI
- CODE 21 - TPS SIGNAL VOLTAGE HIGH
- CODE 22 - THROTTLE POSITION SENSOR SIGNAL VOLTAGE LOW
- CODE 23 - M/C SOLENOID SIGNAL VOLTAGE LOW
- CODE 24 - VEHICLE SPEED SENSOR
- CHART 24B - PARK/NEUTRAL CIRCUIT
- CODE 31 - CANISTER PURGE SOLENOID VOLT SIGNAL INCORRECT
- CODE 34 - PRESSURE SENSOR SIGNAL VOLTAGE INCORRECT
- CODE 41 - NO DISTRIBUTOR REFERENCE SIGNAL
- CODE 42 - ELECTRONIC SPARK TIMING
- CODE 43 - ELECTRONIC SPARK CONTROL SIGNAL VOLTAGE LOW
- CODE 44 - LEAN EXHAUST INDICATION
- CODE 45 - RICH EXHAUST INDICATION
- CODE 51 - PROM
- CODE 53 - EGR SYSTEM MALFUNCTION (CALIF ONLY)
- CODE 54 - M/C SOLENOID SIGNAL VOLTAGE HIGH
- CHART C1D - PRESSURE SENSOR
- CHART C2C - IDLE LOAD COMPENSATOR
- CHART C2D - REAR VACUUM BREAK
- CHART C2F - TPS ENRICHMENT CHECK
- CHART C3 - CANISTER PURGE SOLENOID
- CHART C4A - IGNITION SYSTEM CHECK
- CHART C4K - ELECTRONIC SPARK TIMING PERFORMANCE CHECK
- CHART C5 - ELECTRONIC SPARK CONTROL
- CHART C6A - AIR MANAGEMENT CHECK
- CHART C7C - EGR CHECK
- CHART C8 - TORQUE CONVERTER CLUTCH ELECT DIAGNOSIS
- CHART C9C - VACUUM ACTUATED EFE SYSTEM CHECK (NON-CEC)
- CHART C10C - A/C CUT-OUT RELAY
- APPLICATIONS
- OVERVIEW
- TCC CONTROL COMPONENTS
- Brake Switch
- Coolant Temperature Sensor
- Electronic Control Module (ECM)
- TCC Solenoid Assembly
- Throttle Position Sensor (TPS)
- Vacuum Sensor
- Vehicle Speed Sensor (VSS)
- 3rd & 4th Gear Switch
- TROUBLE SHOOTING
- Problem in Electronic Control Module
- Electrical Problems
- Valve Body Assembly
- Oil Pump Assembly
- CONVERTER CLUTCH APPLY SLIPS, ROUGH OR SHUDDERS
- CONVERTER CLUTCH DOES NOT RELEASE
- DIAGNOSTIC TOOLS
- RETRIEVING TROUBLE CODES
- CLEARING TROUBLE CODES
- OUTPUT DISPLAYS
- DIAGNOSTIC CHARTS
- PFI CHART C-1 - ECM CHECK
- Notes On Fault Tree
- PFI Chart C-1 - ECM Check Flowchart
- Diagnostic Aids
- CODE 25, MANIFOLD AIR TEMPERATURE SENSOR SIGNAL VOLTAGE LOW - 5.0L & 5.7L TBI
- CODE 24, VEHICLE SPEED SENSOR - 2.8L PFI A & J BODIES
- CHART C-8, TORQUE CONVERTER CLUTCH - 4.3L TBI B BODY
- CODE 24, VEHICLE SPEED SENSOR - 3.8L PFI - C & H BODIES
- CHART C-1A, PARK/NEUTRAL SWITCH - 3.8L PFI - C & H BODIES
- CHART C-8, TORQUE CONVERTER CLUTCH - 3.8L PFI (TURBO) G BODY
- CODE 25, MANIFOLD AIR TEMPERATURE SENSOR SIGNAL VOLTAGE HIGH
- CHART C-8, TORQUE CONVERTER CLUTCH 2.3L PFI - N BODY
- CODE 24, VEHICLE SPEED SENSOR - 2.3L PFI - N BODY
- CODE 24, VEHICLE SPEED SENSOR 2.5L TBI - A BODY (WITH IN-DASH SPEED SENSOR)
- CHART C-8A, TRANSMISSION CONVERTER CLUTCH - 2.0L (VIN 1) TBI - J & L BODIES
- CHART C-8, TORQUE CONVERTER CLUTCH - 2.0L PFI - J & N BODIES
- CODE 24, VEHICLE SPEED SENSOR 2.0L PFI - J & N BODIES
- CHART C-1A, PARK/NEUTRAL SWITCH - 2.0L PFI - J & N BODIES
- CHART C-8, TORQUE CONVERTER CLUTCH - 2.0L (VIN K) & 2.5L TBI
- CHART C-8, TORQUE CONVERTER CLUTCH - 3.8L "3800" PFI BONNEVILLE, ELECTRA & NINETY-EIGHT
- CODE 24, VEHICLE SPEED SENSOR - 3.8L "3800" PFI - BONNEVILLE, ELECTRA & NINETY-EIGHT
- CHART C-8B, TORQUE CONVERTER CLUTCH - 3.3L "A" BODY W/THM 4T60 TRANSMISSION (1 OF 2)