Repair manual
Buick Electra VI Repair Manual
Step-by-step repair and maintenance instructions for the Buick Electra VI (1985–1990): removal, installation, adjustment, diagnostics and parameter checks with illustrations.
64sections
375articles
ENManual language
- MODEL IDENTIFICATION
- DESCRIPTION
- BASIC DIAGNOSTIC PROCEDURE
- DIAGNOSTIC MATERIALS
- DIAGNOSTIC CHARTS
- DIAGNOSTIC AIDS
- FIELD SERVICE MODE CHECK (FUEL INJECTED MODELS)
- SPECIAL DIAGNOSTIC TOOLS
- SCAN TESTER USAGE
- SCAN TESTER - TEST DATA PARAMETERS
- DIAGNOSTIC CIRCUIT CHECK
- "SCAN" DIAGNOSTIC CIRCUIT CHECK
- CHART A1 - NO "SERVICE ENGINE SOON" LIGHT
- WON'T FLASH CODE 12 "SERVICE ENGINE SOON" ("SES") LIGHT ON
- CHART A3 - ENGINE CRANKS BUT WILL NOT RUN (3.0L VIN L)
- CIRCUIT DESCRIPTION FOR STEPS 1-6 (1 OF 3, 3.0L VIN L)
- CIRCUIT DESCRIPTION FOR STEPS 7-11 (2 OF 3, 3.0L VIN L)
- CIRCUIT DESCRIPTION FOR STEPS 12 & 13 (3 OF 3, 3.0L VIN L)
- ENGINE CRANKS BUT WON'T RUN (3.8L NON-TURBO WITH TYPE I IGNITION SYSTEM)
- IGNITION SYSTEM IDENTIFICATION
- CIRCUIT DESCRIPTION FOR STEPS 1-6 (1 OF 3, 3.8L NON-TURBO WITH TYPE I IGNITION SYSTEM)
- CIRCUIT DESCRIPTION FOR STEPS 7-11 (2 OF 3, 3.8L NON-TURBO WITH TYPE I IGNITION SYSTEM)
- CIRCUIT DESCRIPTION FOR STEPS 12-14 (3 OF 3, 3.8L NON-TURBO WITH TYPE I IGNITION SYSTEM)
- ENGINE CRANKS BUT WON'T RUN (1 OF 3, 3.8L NON-TURBO WITH TYPE II IGNITION SYSTEM)
- CIRCUIT DESCRIPTION FOR STEPS 1-6 (1 OF 3, TYPE II IGNITION)
- CIRCUIT DESCRIPTION FOR STEPS 7-11 (2 OF 3, 3.8L NON-TURBO WITH TYPE II IGNITION SYSTEM)
- CIRCUIT DESCRIPTION - STEPS 12-14 (3 OF 3, 3.8L NON-TURBO WITH TYPE II IGNITION SYSTEM)
- CHART A3 - ENGINE CRANKS BUT WON'T RUN (3.8L TURBO)
- CHART A5 - FUEL SYSTEM ELECT. TEST (3.0L VIN L, "N" BODY)
- CHART A5 - FUEL SYSTEM ELECTRICAL TEST (3.8L)
- CHART A7 - FUEL PRESSURE TEST - ALL ENGINES
- CHART B1 - RESTRICTED EXHAUST SYSTEM CHECK
- Check At Air Pipe
- Check At O2 Sensor
- Diagnosis
- CHART C1 - ECM REPLACEMENT CHECK CHART
- CHART C1A - PARK/NEUTRAL SWITCH
- CHART C1E - POWER STEERING PRESSURE SWITCH CHECK
- CHART C2A - INJECTOR BALANCE TEST
- CHART C2C - IDLE AIR CONTROL
- CHART C3 - CANISTER PURGE CHECK
- CHART C4E - 3.8L TYPE I IGNITION
- CHART C4F - 3.8L TYPE II IGNITION
- TEST DESCRIPTION FOR STEPS 1-5 (3.0L VIN L)
- TEST DESCRIPTION FOR STEPS 1-5 (3.8L VINs 3 & 7)
- TEST DESCRIPTION FOR STEPS 1-4 (3.0L VIN L & 3.8L VINs 3 & 7)
- CHART C4G - 3.8L TYPE I TURBO IGNITION
- CHART C5 - ELECTRONIC SPARK CONTROL
- CHART C7 - EXHAUST GAS RECIRCULATION
- CHART C8 - TORQUE CONVERTER CLUTCH (3.0L "N" BODY)
- TORQUE CONVERTER CLUTCH (TCC) 3.8L NON-TURBO, "A", "C", & "H" BODIES)
- TORQUE CONVERTER CLUTCH (TCC) (3.8L TURBO "G" BODY)
- CHART C10A - A/C CLUTCH (3.0L & 3.8L NON-TURBO)
- CHART C10D - A/C CLUTCH CONTROL (3.8L TURBO "G" BODY)
- CHART C10E - A/C CLUTCH CONTROL (3.8L TURBO "G" BODY)
- CHART C12A - COOLANT FAN CHECK (3.0L VIN L, "N" BODY)
- CHART C12B - FAN ON AT ALL TIMES (3.0L VIN L, "N" BODY)
- CHART C12C - NO LOW SPEED FAN (3.0L VIN L, "N" BODY)
- CHART C12A - COOLANT FAN CHECK (1 OF 3, ALL 3.8L EXCEPT 3.8L TURBO "G" BODY)
- CHART C12B - FAN ALWAYS ON (2 OF 3, ALL 3.8L EXCEPT 3.8L TURBO "G" BODY)
- CHART C12C - NO LOW SPEED FAN (3 OF 3, ALL 3.8L EXCEPT 3.8L TURBO "G" BODY)
- CHART C12A - 2-SPEED COOLANT FAN CHECK (3.8L TURBO "G" BODY)
- CHART C12B - FAN ON AT ALL TIMES (3.8L TURBO "G" BODY)
- CHART C12C - NO LOW SPEED FAN (3.8L TURBO "G" BODY)
- Circuit Description
- Fan Relay
- Coolant Fan Relay
- VO8 Fan Relay
- MODEL IDENTIFICATION
- DESCRIPTION & OPERATION
- DIAGNOSTIC SYSTEM OPERATION
- "HARD FAILURES"
- "INTERMITTENT FAILURES"
- 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
- FIELD SERVICE MODE CHECK (FUEL INJECTED MODELS)
- SPECIAL DIAGNOSTIC TOOLS
- SCAN TESTER USAGE
- SCAN TESTER - TEST DATA PARAMETERS
- DIAGNOSTIC CONNECTOR LOCATION
- DIAGNOSTIC CIRCUIT CHECK
- "SCAN" DIAGNOSTIC CIRCUIT CHECK
- DIAGNOSTIC TROUBLE CODE IDENTIFICATION
- CHART A1 - NO "SERVICE ENGINE SOON" LIGHT
- Won't Flash Code 12 "Service Engine Soon" ("SES") Light On
- CHART A3 - ENGINE CRANKS BUT WILL NOT RUN (3.0L VIN L)
- Circuit Description For Steps 1-6 (1 Of 3, 3.0L VIN L)
- Circuit Description For Steps 7-11 (2 Of 3, 3.0L VIN L)
- Circuit Description For Steps 12 & 13 (3 Of 3, 3.0L VIN L)
- Engine Cranks But Won't Run (3.8L Non-Turbo With Type I Ignition System)
- Ignition System Identification
- Circuit Description For Steps 1-6 (1 Of 3, 3.8L Non-Turbo With Type I Ignition System)
- Circuit Description For Steps 7-11 (2 Of 3, 3.8L Non-Turbo With Type I Ignition System)
- Circuit Description For Steps 12-14 (3 Of 3, 3.8L Non-Turbo With Type I Ignition System)
- Engine Cranks But Won't Run (1 Of 3, 3.8L Non-Turbo W/ Type II Ignition System)
- Circuit Description For Steps 1-6 (1 Of 3, Type II Ignition)
- Circuit Description For Steps 7-11 (2 Of 3, 3.8L Non-Turbo With Type II Ignition System)
- Circuit Description - Steps 12-14 (3 Of 3, 3.8L Non-Turbo With Type II Ignition System)
- CHART A3 - ENGINE CRANKS BUT WON'T RUN (3.8L TURBO)
- CHART A5 - FUEL SYSTEM ELECT. TEST (3.0L VIN L, "N" BODY)
- CHART A5 - FUEL SYSTEM ELECTRICAL TEST (3.8L)
- CHART A7 - FUEL PRESSURE TEST - ALL ENGINES
- CHART B1 - RESTRICTED EXHAUST SYSTEM CHECK
- Check At Air Pipe
- Check At O2 Sensor
- Diagnosis
- CHART C1 - ECM REPLACEMENT CHECK CHART
- CHART C1A - PARK/NEUTRAL SWITCH
- CHART C1E - POWER STEERING PRESSURE SWITCH CHECK
- CHART C2A - INJECTOR BALANCE TEST
- CHART C2C - IDLE AIR CONTROL
- CHART C3 - CANISTER PURGE CHECK
- CHART C4E - 3.8L TYPE I IGNITION
- CHART C4F - 3.8L TYPE II IGNITION
- Test Description For Steps 1-5 (3.0L VIN L)
- Test Description For Steps 1-5 (3.8L VIN's 3 & 7)
- Test Description For Steps 1-4 (3.0L VIN L & 3.8L VIN's 3 & 7)
- CHART C4G - 3.8L TYPE I TURBO IGNITION
- CHART C5 - ELECTRONIC SPARK CONTROL
- CHART C7 - EXHAUST GAS RECIRCULATION
- CHART C8 - TORQUE CONVERTER CLUTCH (3.0L "N" BODY)
- Torque Converter Clutch (TCC) (3.8L Non-Turbo, "A", "C", & H" Bodies)
- Torque Converter Clutch (TCC) (3.8L Turbo "G" Body)
- CHART C10A - A/C CLUTCH (3.0L & 3.8L NON-TURBO)
- CHART C10D - A/C CLUTCH CONTROL (3.8L TURBO "G" BODY)
- CHART C10E - A/C CLUTCH CONTROL (3.8L TURBO "G" BODY)
- Chart C12A - Coolant Fan Check (3.0L VIN L, "N" Body)
- Chart C12B - Fan On At All Times (3.0L VIN L, "N" Body)
- Chart C12C - No Low Speed Fan (3.0L Vin L, "N" Body)
- Chart C12A - Coolant Fan Check (1 Of 3, All 3.8L Except 3.8L Turbo "G" Body)
- Chart C12B - Fan Always On (2 Of 3, All 3.8L Except 3.8L Turbo "G" Body)
- Chart C12C - No Low Speed Fan (3 Of 3, All 3.8L Except 3.8L Turbo "G" Body)
- Chart C12A - 2-Speed Coolant Fan Check (3.8L Turbo "G" Body)
- Chart C12B - Fan On At All Times (3.8L Turbo "G" Body)
- Chart C12C - No Low Speed Fan (3.8L Turbo "G" Body)
- Chart C12D - Coolant Fan Check (1 Of 3, A/C Equipped W/O Heavy Duty Cooling - 3.8L "A" Body)
- Chart C12E - Coolant Fan Check (2 Of 3, A/C Equipped W/O Heavy Duty Cooling - 3.8L "A" Body)
- Chart C12F - Coolant Fan Check (3 Of 3, A/C Equipped W/O Heavy Duty Cooling - 3.8L "A" Body)
- Chart C12G - Coolant Fan On At All Times (A/C Equipped W/O Heavy Duty Cooling - 3.8L "A" Body)
- Chart C12H - Coolant Fan Check (1 Of 3, A/C Equipped W/Heavy Duty Cooling - 3.8L "A" Body)
- Chart C12I - Coolant Fan Check (2 Of 3, A/C Equipped W/Heavy Duty Cooling - 3.8L "A" Body)
- Chart C12J - Coolant Fan Check (3 Of 3, A/C Equipped W/Heavy Duty Cooling - 3.8L "A" Body)
- Chart C12K - Coolant Fan On At All Times (A/C Equipped W/Heavy Duty Cooling - 3.8L "A" Body)
- CODE 13 - OPEN OXYGEN (O2) SENSOR CIRCUIT
- Coolant Temperature Sensor (CTS) Signal Voltage Low
- Coolant Temperature Sensor (CTS) Signal Voltage High
- CODE 21 - THROTTLE POSITION SENSOR SIGNAL VOLTAGE HIGH
- Throttle Position Sensor (TPS) Signal Voltage Low
- Manifold Air Temperature (MAT) Sensor Signal Voltage High
- CODE 24 - VEHICLE SPEED SENSOR
- Manifold Air Temperature (MAT) Sensor Signal Voltage Low
- CODE 31 - WASTEGATE SOLENOID (3.8L TURBO "G" BODY)
- CODE 32 - EGR VACUUM CONTROL CIRCUIT
- CODE 33 - MASS AIRFLOW (MAF) SENSOR
- CODE 34 - MASS AIRFLOW (MAF) SENSOR
- Cam Sensor Signal (3.8L Non-Turbo VIN 3 & 3.8L Turbo VIN 7)
- CODE 42 - EST IGNITION CIRCUIT
- CODE 43 - ELECTRONIC SPARK CONTROL
- CODE 44 - LEAN EXHAUST INDICATION
- CODE 45 - RICH EXHAUST INDICATION
- CODE 51 - PROM ERROR (FAULTY OR INCORRECT PROM)
- CODE 52 - CALPAK ERROR (FAULTY OR INCORRECT CALPAK)
- CODE 55 ECM ERROR