Repair manual
Buick Park Avenue I Repair Manual
Step-by-step repair and maintenance instructions for the Buick Park Avenue I (1991–1996): removal, installation, adjustment, diagnostics and parameter checks with illustrations.
74sections
488articles
ENManual language
- CONNECTOR IDENTIFICATION
- DESCRIPTION & OPERATION
- DIAGNOSTIC ENERGY RESERVE MODULE (DERM)
- INFLATABLE RESTRAINT INDICATOR LIGHT
- ARMING SENSOR
- DISCRIMINATING SENSORS
- SIR COIL ASSEMBLY
- INFLATOR MODULE
- RESISTOR MODULE
- SYSTEM OPERATION CHECK
- POST-COLLISION INSPECTION
- SERVICE PRECAUTIONS
- SPECIAL TOOLS
- DISABLING & ACTIVATING AIR BAG SYSTEM
- CENTERING COIL ASSEMBLY
- DEPLOYED AIR BAG
- UNDEPLOYED AIR BAG
- SCRAPPED VEHICLE
- REMOVAL & INSTALLATION
- Removal & Installation (Except DeVille/Sixty-Special)
- Removal & Installation (DeVille/Sixty-Special)
- Removal (Except DeVille/Sixty-Special)
- Installation (Except DeVille/Sixty-Special)
- Removal & Installation (DeVille/Sixty-Special & LeSabre)
- Removal (Eighty-Eight, Ninety-Eight & Park Avenue)
- Installation (Eighty-Eight, Ninety-Eight & Park Avenue)
- Removal
- Installation
- Removal & Installation (Eighty-Eight, LeSabre, Ninety-Eight & Park Avenue)
- DIAGNOSIS & TESTING
- Trouble Codes/Diagnostic Trouble Codes (DTCs)
- Flash Code Diagnostics
- Scan Tester Diagnostics
- On-Board Diagnostics
- Diagnostic Procedure
- Description
- CHART A2 - HISTORY CODE DIAGNOSIS
- CHART A3 - HISTORY CODE DIAGNOSIS
- CHART C2 - INFLATABLE RESTRAINT INDICATOR COMES ON STEADY
- CHART C3 - INFLATABLE RESTRAINT INDICATOR COMES ON STEADY
- CHART D2 - INFLATABLE RESTRAINT INDICATOR DOES NOT COME ON
- Test Conditions
- Failure Conditions
- Conditions To Clear
- Action Taken
- CODE 21 (CHART 2) - STEERING COLUMN RESISTANCE TOO HIGH
- CODE 22 (CHART 2) - STEERING COLUMN RESISTANCE TOO LOW
- CODE 24 (CHART 2) - STEERING COLUMN VOLTAGE TOO LOW
- CODE 24 (CHART 3) - STEERING COLUMN VOLTAGE TOO LOW
- CODE 24 (CHART 5) - STEERING COLUMN VOLTAGE TOO LOW
- CODE 25 (CHART 2) - SHORT TO BATTERY IN STEERING COLUMN
- CODE 26 (CHART 2) - OPEN IN STEERING COLUMN
- WIRE REPAIR
- TORQUE SPECIFICATIONS
- APPLICATION
- DESCRIPTION
- PCM
- SENSORS & SWITCHES
- SOLENOIDS
- SELF-DIAGNOSTICS
- OPERATION
- SELF-DIAGNOSTIC SYSTEM
- RETRIEVING CODES (WITH SCAN TOOL)
- TROUBLE CODE DEFINITION
- HARD OR INTERMITTENT TROUBLE CODE DETERMINATION
- CLEARING TROUBLE CODES
- Diagnostic Charts
- Diagnostic Aids
- CODE 14/P0118, COOLANT TEMP. SENSOR SIGNAL VOLTAGE LOW
- CODE 15/P0117, COOLANT TEMP. SENSOR SIGNAL VOLTAGE HIGH
- CODE 21/P0123, THROTTLE POSITION SENSOR SIGNAL VOLTAGE HIGH
- CODE 22/P0122, THROTTLE POSITION SENSOR SIGNAL VOLTAGE LOW
- CODE 24, VEHICLE SPEED SENSOR (VSS) 3.1L, 3.4L & 3.8L "W" BODY
- CODE 24, VEHICLE SPEED SENSOR (VSS) 3.8L "C", "E", "H" & "U" BODIES
- CODE 26, QUAD-DRIVER CIRCUIT 3.8L "E" BODY
- QDM Symptoms
- CODE 26, QUAD-DRIVER CIRCUIT 3.8L "C", "H" & "U" BODY
- CODE 26, QUAD-DRIVER CIRCUIT 3.8L "W" BODY
- CODE 31, PARK/NEUTRAL SWITCH CIRCUIT
- CODE 36, SHIFT PROBLEM 3.8L "C" & "H" BODIES
- CODE 36, SHIFT PROBLEM 3.8L "E" & "W" BODIES
- CODE 36, SHIFT PROBLEM 3.8L "U" BODY
- CODE 38, BRAKE SWITCH CIRCUIT
- CODE 39, TCC CIRCUIT WITHOUT TECH 1 3.8L "C", "H" & "W" BODIES
- CODE 39, TCC CIRCUIT WITH TECH 1 3.8L "C", "H" & "W" BODIES
- CODE 39, TCC CIRCUIT 3.8L "U" BODY
- CODE 56, QUAD-DRIVER CIRCUIT 3.8L "C", "H" & "W" BODIES
- CODE 56, QUAD-DRIVER CIRCUIT 3.8L "U" BODY
- CODE 62, GEAR SWITCH ERROR 3.1L "W" (EXC. CALIF.) & 3.4L "W" BODIES
- CODE 79, VSS SIGNAL VOLTAGE HIGH 3.1 CALIF. "W" BODY
- CODE 80, VSS SIGNAL VOLTAGE LOW 3.1L CALIF. "W" BODY
- ELECTRONIC TESTING
- COMPONENT TESTS (WITH TEST BOX)
- COMPONENT TESTS (WITHOUT TEST BOX)
- 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)
- INTRODUCTION
- SELF-DIAGNOSTIC SYSTEM
- HARD FAILURES
- INTERMITTENT FAILURES
- DIAGNOSTIC PROCEDURE
- RETRIEVING CODES (NON-SCAN)
- READING TROUBLE CODES
- TROUBLE CODE DEFINITION
- HARD OR INTERMITTENT TROUBLE CODE DETERMINATION
- CLEARING TROUBLE CODES
- ECM/PCM LOCATION
- Diagnostic Aids
- Field Service Mode Check
- SPECIAL TOOLS (DIAGNOSTIC)
- SCAN TESTER USAGE
- SCAN DATA
- ECM/PCM CODE CHARTS
- CODE 13 - OPEN OXYGEN SENSOR CIRCUIT
- CODE 14 - COOLANT TEMPERATURE SENSOR (SIGNAL VOLTAGE LOW)
- CODE 15 - COOLANT TEMPERATURE SENSOR (SIGNAL VOLTAGE HIGH)
- CODE 16 - SYSTEM VOLTAGE HIGH/LOW (3.8L)
- CODE 17 - RPM SIGNAL PROBLEM (3.8L)
- CODE 18 - CAM/CRANK ERROR (3.8L "C", "H" & "W" BODIES)
- CODE 21 - THROTTLE POSITION SENSOR (SIGNAL VOLTAGE HIGH)
- CODE 22 - THROTTLE POSITION SENSOR (SIGNAL VOLTAGE LOW)
- CODE 23 - MAT SENSOR (SIGNAL VOLTAGE HIGH)
- CODE 24 - VEHICLE SPEED SENSOR (3.8L "W" BODY)
- CODE 24 - VEHICLE SPEED SENSOR (3.8L "C", "E" & "H" BODIES)
- CODE 25 - MAT SENSOR (SIGNAL VOLTAGE LOW)
- CODE 26 - QUAD-DRIVER "A" (3.8L "C" & "H" BODIES) (1 OF 3)
- CODE 26 - QUAD-DRIVER "A" (3.8L "C" & "H" BODIES) (2 OF 3)
- CODE 26 - QUAD-DRIVER "A" (3.8L "C" & "H" BODIES)(3 OF 3)
- CODE 26 - QUAD-DRIVER ERROR (3.8L "E" BODY)(1 OF 3)
- CODE 26 - QUAD-DRIVER ERROR (3.8L "E" BODY)(2 OF 3)
- CODE 26 - QUAD-DRIVER ERROR (3.8L "E" BODY)(3 OF 3)
- CODE 26 - QUAD-DRIVER "A" ERROR (3.8L "W" BODY) (1 OF 4)
- CODE 26 - QUAD-DRIVER "A" ERROR (3.8L "W" BODY)(2 OF 4)
- CODE 26 - QUAD-DRIVER "A" ERROR (3.8L "W" BODY)(3 OF 4)
- CODE 26 - QUAD-DRIVER "A" ERROR (3.8L "W" BODY)(4 OF 4)
- CODE 31 - PARK/NEUTRAL SWITCH CIRCUIT
- CODE 34 - MAF SENSOR (SIGNAL VOLTAGE LOW)
- Poor Connections
- Harness
- Intermittents
- CODE 35 - IAC IDLE SPEED ERROR WITHOUT TECH 1
- System Too Lean
- System Too Rich
- Throttle Body
- IAC Valve Connections
- PCV Valve
- CODE 35 - IAC IDLE SPEED ERROR USING TECH I
- CODE 36 - SHIFT PROBLEM (3.8L "C" & "H" BODIES)
- CODE 36 - SHIFT PROBLEM (3.8L "E" & "W" BODIES)
- CODE 38 - BRAKE SWITCH
- CODE 39 - TCC CIRCUIT W/O TECH 1 (3.8L W/4T60 TRANS)
- CODE 39 - TCC CIRCUIT USING TECH 1 (3.8L W/4T60 TRANS)
- CODE 41 - CAM SENSOR CIRCUIT (3.8L "C", "E" & "H" BODIES)
- Poor Connection
- CODE 41 - CAM SENSOR CIRCUIT (TYPE II, "C", "E", "H" & "W" BODY)
- CODE 42 - EST CIRCUIT OPEN OR GROUNDED
- CODE 43 - ESC ERROR (WITHOUT ESC MODULE)
- CODE 44 - LEAN EXHAUST INDICATION
- O2 Sensor Wire
- Fuel Contamination
- Fuel Pressure
- Exhaust Leaks
- Misfire Or Stall
- CODE 45 - RICH EXHAUST INDICATION
- Fuel Pressure High
- Ignition Ground
- Evaporative Fuel Canister
- MAP Sensor
- TPS
- O2 Sensor Contamination
- EGR Problem
- CODE 48 - MISFIRE DIAGNOSIS
- Ignition System Checks
- Fuel System Checks
- Basic Engine Checks
- CODE 51 - FAULTY PROM/MEM-CAL
- CODE 52 - FAULTY CAL-PAK
- CODES 53, 54 & 55 - EGR FAULT (3.8L (VIN L) EXCEPT "E" BODY)
- CODES 54 & 55 - EGR FAULT (3.8L (VIN 1) "C" & "H" BODIES)
- CODE 55 - ECM ERROR (EXCEPT 3.8L (VIN 1))
- CODE 56 - QUAD-DRIVER ERROR (3.8L EXCEPT "E" BODY)(1 OF 2)
- Quad-Driver Related Symptoms
- CODE 56 - QUAD-DRIVER ERROR (3.8L EXCEPT "E" BODY)(2 OF 2)
- CODE 57 - BOOST CONTROL PROBLEM (3.8L (VIN 1))
- CODE 58 - PASS-KEY FUEL ENABLE CIRCUIT (3.8L EXCEPT "W" BODY)
- Pass-Key Diagnosis
- CODE 61 - CRUISE VENT SOLENOID (3.8L)
- CODE 62 - CRUISE VACUUM SOLENOID (3.8L)
- CODE 63 - CRUISE SYSTEM PROBLEM (3.8L EXCEPT "E" BODY)
- CODE 65 - CRUISE SERVO POSITION (3.8L)
- CODE 66 - LOW A/C REFRIGERANT CHARGE (3.8L EXCEPT "E" BODY (W/O DIGITAL DISPLAY))
- CODE 66 - LOW A/C REFRIGERANT CHARGE (3.8L "C" & "H" BODIES (W/DIGITAL DISPLAY))
- CODE 67 - CRUISE ENGAGE SWITCHES (3.8L EXCEPT "W" BODY)
- CODE 67 - CRUISE SWITCHES (3.8L (VIN L) "W" BODY)
- CODE 68 - CRUISE SYSTEM PROBLEM (USING TECH 1) (3.8L)
- CODE 69 - A/C HEAD PRESSURE SWITCH (3.8L "C" & "H" BODIES)
- CODE 69 - A/C HEAD PRESSURE SWITCH (3.8L "W" BODY)
- CODE 85 - PROM ERROR & CODE 87 - EEPROM ERROR
- SUMMARY