Repair manual
Chevrolet Celebrity I Repair Manual
Step-by-step repair and maintenance instructions for the Chevrolet Celebrity I (1982–1990): removal, installation, adjustment, diagnostics and parameter checks with illustrations.
66sections
512articles
ENManual language
- MODEL IDENTIFICATION
- DESCRIPTION
- DIAGNOSTIC TOOLS
- "NONSCAN" DIAGNOSTIC CIRCUIT CHECK (A/F/J/N/P BODY)
- SCAN TESTER USAGE
- SCAN TESTER - TEST DATA PARAMETERS
- "SCAN" DIAGNOSTIC CIRCUIT CHECK (A/F/J/N/P BODY)
- ECM REPLACEMENT CHECK CHART - C1
- CHART C1A - PARK/NEUTRAL SWITCH A/T (A/F/J/N/P BODY)
- CHART C1B - 2.5L CRANK SIGNAL (P BODY)
- CHART C1D - MAP OUTPUT CHECK (A/F/J/N/P BODY)
- CHART C1E - P/S PRESSURE SWITCH (A/F/J/N BODY)
- CHART C4B - 2.5L IGNITION SYSTEM CHECK (A/F/N/P BODY)
- CHART C8 - 125C TCC (A/N BODY)
- CHART C8A - 700-4R TCC (F BODY)
- CHART C8B - M/T SHIFT LIGHT (F BODY)
- CHART C9 - 2.5L M/T SHIFT LIGHT (J/N/P BODY)
- CHART C10 - 2.5L A/C CLUTCH CONTROL (A/F BODY)
- CHART C10 - 2.5L A/C CLUTCH CONTROL (P BODY)
- CHART C10A - A/C CLUTCH CONTROL (J/N BODY)
- CHART C12 - 2.5L ENGINE COOLING FAN (A BODY)
- CHART C12A - ENGINE COOLING FAN (J/N BODY)
- MODEL IDENTIFICATION
- DESCRIPTION
- DIAGNOSTIC SYSTEM OPERATION
- BASIC DIAGNOSTIC PROCEDURE
- CLEARING TROUBLE CODES
- READING TROUBLE CODES
- TROUBLE CODE COMPONENT IDENTIFICATION
- TROUBLE CODE DETERMINATION (HARD OR INTERMITTENT)
- DIAGNOSTIC MATERIALS
- DIAGNOSTIC CHARTS
- DIAGNOSTIC CIRCUIT CHECK
- DIAGNOSTIC SYMPTOM CHECK
- FIELD SERVICE MODE CHECK (EFI MODELS ONLY)
- DIAGNOSTIC TOOLS
- "NONSCAN" DIAGNOSTIC CIRCUIT CHECK (A/F/J/N/P BODY)
- SCAN TESTER USAGE
- SCAN TESTER - TEST DATA PARAMETERS
- "SCAN" DIAGNOSTIC CIRCUIT CHECK (A/F/J/N/P BODY)
- CHART A1 - NO "SES" LIGHT (A/F/J/N/P BODY)
- CHART A2 - NO CODE 12, "SES" ALWAYS ON (A/F/J/N/P BODIES)
- CHART A3 - CRANKS BUT WON'T RUN (A/F/J/N/P BODY)
- CHART A4 - CRANKS BUT WON'T RUN (A/F/J/N/P BODY)
- CHART A5 - FUEL SYSTEM DIAGNOSIS (A/F/J/N/P BODY)
- CHART A6 - FUEL SYSTEM DIAGNOSIS (A/F/J/N/P BODY)
- CHART A7 - FUEL SYSTEM DIAGNOSIS (A/F/J/N/P BODY)
- CODE 13 - OPEN O2 CIRCUIT (A/F/J/N/P BODY)
- CODE 14 - COOLANT SENSOR SIGNAL VOLT LO (A/F/J/N/P BODY)
- CODE 15 - COOLANT SENSOR SIGNAL VOLT HI (A/F/J/N/P BODY)
- CODE 21 - TPS SIGNAL VOLT HI (A/F/J/N/P BODY)
- CODE 22 - TPS SIGNAL VOLT LO (A/F/J/N/P BODY)
- CODE 24 - VEHICLE SPEED SENSOR (VSS) (A/F/J/N/P BODY)
- CODE 33 - MAP SENSOR SIGNAL VOLT HI (A/F/J/N/P BODY)
- CODE 34 - MAP SENSOR SIGNAL VOLT LO (A/F/J/N/P BODY)
- CODE 35 - IDLE AIR CONTROL (IAC) (A/F/J/N/P BODY)
- CODE 42 - ELECTRONIC SPARK TIMING (EST) (A/F/J/N/P BODY)
- CODE 44 - LEAN EXHAUST INDICATION (A/F/J/N/P BODY)
- CODE 45 - RICH EXHAUST INDICATION (A/F/J/N/P BODY)
- CODE 51 - FAULTY MEMCAL (A/F/J/N/P BODY)
- CODE 52 - FUEL CALPAK MISSING
- CODE 55 - ECM (A/F/J/N/P BODY)
- ECM REPLACEMENT CHECK CHART - C1
- CHART C1A - PARK/NEUTRAL SWITCH A/T (A/F/J/N/P BODY)
- CHART C1B - 2.5L CRANK SIGNAL (P BODY)
- CHART C1D - MAP OUTPUT CHECK (A/F/J/N/P BODY)
- CHART C1E - P/S PRESSURE SWITCH (A/F/J/N BODY)
- CHART C4B - 2.5L IGNITION SYSTEM CHECK (A/F/N/P BODY)
- CHART C8 - 125C TCC (A/N BODY)
- CHART C8A - 700-4R TCC (F BODY)
- CHART C8B - M/T SHIFT LIGHT (F BODY)
- CHART C9 - 2.5L M/T SHIFT LIGHT (J/N/P BODY)
- CHART C10 - 2.5L A/C CLUTCH CONTROL (A/F BODY)
- CHART C10 - 2.5L A/C CLUTCH CONTROL (P BODY)
- CHART C10A - A/C CLUTCH CONTROL (J/N BODY)
- CHART C12 - 2.5L ENGINE COOLING FAN (A BODY)
- CHART C12A - ENGINE COOLING FAN (J/N BODY)
- DESCRIPTION
- MODEL IDENTIFICATION
- 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
- SYSTEM PERFORMANCE CHECK (CARBURETED MODELS)
- SPECIAL DIAGNOSTIC TOOLS
- SCAN TESTER USAGE
- SCAN TESTER - TEST DATA PARAMETERS
- "SCAN" DIAGNOSTIC CIRCUIT CHECK
- "NON-SCAN" DIAGNOSTIC CIRCUIT CHECK
- SYSTEM PERFORMANCE CHECK
- CHART A1 - DWELL FIXED UNDER 10°
- CHART A2 - DWELL FIXED BETWEEN 10-45° OR 50°
- CHART A3 - DWELL FIXED OVER 45 OR 50°
- CHART A5 - "SERVICE ENGINE SOON" LIGHT INOPERATIVE
- CHART A6 - WON'T FLASH CODE 12
- CODE 12 - NO DISTRIBUTOR REFERENCE PULSES
- CODE 13 - OPEN OXYGEN SENSOR CIRCUIT
- CODE 14 - COOLANT SENSOR SHORTED
- CODE 15 - COOLANT SENSOR OPEN
- CODE 21 - TPS CIRCUIT HIGH
- CODE 23 - M/C SOLENOID CIRCUIT LOW
- CODE 24 - VEHICLE SPEED SENSOR (VSS)
- CHART 24B - PARK/NEUTRAL CIRCUIT (P/N)
- CODE 32 - BARO SENSOR
- CODE 34 - DIFFERENTIAL PRESS. (VAC) SENSOR
- CODE 41 - NO DISTRIBUTOR REFERENCE SIGNAL
- CODE 42 - ELECTRONIC SPARK TIMING (EST)
- CODE 43 - ELECT SPARK CONTROL (ESC) VOLTAGE LOW TO ECM
- CODE 44 - LEAN EXHAUST INDICATION
- CODE 45 - RICH EXHAUST INDICATION
- CODE 51 - PROM
- CODE 54 - M/C SOLENOID CIRCUIT HIGH
- CHART C1 - ECM REPLACEMENT CHECK CHART
- CHART C1D - MAP & BARO CHECK
- CHART C1E - DIFFERENTIAL PRESS (VAC) SENSOR
- CHART C2E1 - VACUUM THROTTLE KICKER
- CHART C2E2 - VACUUM THROTTLE KICKER (2.8L)
- CHART C2F - TPS ENRICHMENT CHECK
- CHART C3 - CANISTER PURGE VALVE CHECK (2.8L)
- CHART C4A - IGN SYSTEM CHECK WITH INTEGRAL COIL
- CHART C4C - EST PERFORMANCE CHECK (2.8L)
- CHART C4K - EST PERFORMANCE CHECK
- CHART C5 - ELECTRONIC SPARK CONTROL
- CHART C6A - AIR MANAGEMENT CHECK (ED/ES)
- CHART C7A - PULSE WIDTH MODULATED (PWM) EGR
- CHART C8A1 - TRANSMISSION/TRANSAXLE CONVERTER CLUTCH (TCC)
- CHART C8A-2 - TRANSMISSION/TRANSAXLE CONVERTER CLUTCH (TCC)
- CHART C9D - ELECTRICALLY HEATED EFE CHECK
- MODEL IDENTIFICATION
- DESCRIPTION
- SPECIAL DIAGNOSTIC TOOLS
- SCAN TESTER USAGE
- SCAN TESTER - TEST DATA PARAMETERS
- DIAGNOSTIC CIRCUIT CHECK
- DIAGNOSTIC CIRCUIT CHECK PROCEDURES
- "SCAN" DIAGNOSTIC CIRCUIT CHECK
- CHART C1 - ECM REPLACEMENT CHECK CHART
- CHART C1A - PARK NEUTRAL SWITCH
- CHART C1E - PSPS CHECK
- Diagnostic Aids
- CHART C3 - CANISTER PURGE CHECK
- CHART C4B - IGNITION SYSTEM CHECK
- CHART C6A - ELECTRIC DIVERT (W/ MAN. TRANS.)
- CHART C7A - EXHAUST GAS RECIRCULATION
- CHART C8 - TRANS. CONV. CLUTCH (ALL TRANS./TRANSAXLES)
- CHART C8A - TRANS. CONV. CLUTCH (CONT.)(125-C TRANSAXLE)
- CHART C10A - A/C CLUTCH CONTROL
- CHART C10B - A/C CLUTCH CONTROL
- CHART C12A - COOLANT FAN CHECK
- MODEL IDENTIFICATION
- DESCRIPTION
- CONDITIONS TO BE MET BEFORE TESTING
- 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 CIRCUIT CHECK
- DIAGNOSTIC CIRCUIT CHECK PROCEDURES
- "SCAN" DIAGNOSTIC CIRCUIT CHECK
- CHART A1 - NO "SES" LIGHT
- CHART A2 - NO CODE 12 "SES" LIGHT ON STEADY
- CHARTS A3A & A3B - ENGINE CRANKS, BUT WON'T RUN
- A3B - ENGINE CRANKS, BUT WON'T RUN (CONT.)
- CHART A7A - FUEL SYSTEM DIAGNOSIS
- CHART A7B - FUEL SYSTEM DIAGNOSIS
- CHART A9 - COLD START VALVE
- CODE 13 - OPEN OXYGEN (O2) SENSOR CIRCUIT
- CODE 14 - CTS SIGNAL VOLTAGE LOW
- CODE 15 - CTS SIGNAL VOLTAGE HIGH
- CODE 21 - TPS SIGNAL VOLTAGE HIGH
- CODE 22 - TPS SIGNAL VOLTAGE LOW
- CODE 23 - MAT SENSOR SIGNAL VOLTAGE HIGH
- CODE 24 - VEHICLE SPEED SENSOR (VSS)
- CODE 25 - MAT SENSOR SIGNAL VOLTAGE LOW
- CODE 32 - EGR SYSTEM FAILURE
- CODE 33 - MAF SIGNAL VOLTAGE HIGH
- CODE 34 - MAF SENSOR SIGNAL VOLTAGE LOW
- CODE 34 - MAP SENSOR SIGNAL VOLT LO (P-BODY)
- CODE 41 - CYLINDER SELECT ERROR
- CODE 42 - ELECTRONIC SPARK TIMING
- CODE 44 - LEAN EXHAUST INDICATION
- CODE 45 - RICH EXHAUST INDICATION
- CODE 51 - FAULTY MEM-CAL
- CODE 53 - SYSTEM OVER VOLTAGE
- CODE 54 - FUEL PUMP CIRCUIT LOW VOLTAGE
- CHART C1 - ECM REPLACEMENT CHECK CHART
- CHART C1A - PARK NEUTRAL SWITCH
- CHART C1E - PSPS CHECK
- CHART C3 - CANISTER PURGE CHECK
- CHART C4B - IGNITION SYSTEM CHECK
- CHART C6A - ELECTRIC DIVERT (W/ MAN. TRANS.)
- CHART C7A - EXHAUST GAS RECIRCULATION
- CHART C8 - TRANS. CONV. CLUTCH (ALL TRANS./TRANSAXLES)
- CHART C8A - TRANS. CONV. CLUTCH (CONT.)(125-C TRANSAXLE)
- CHART C10A - A/C CLUTCH CONTROL
- CHART C10B - A/C CLUTCH CONTROL
- CHART C12A - COOLANT FAN CHECK
- MODEL IDENTIFICATION
- DESCRIPTION
- DIAGNOSTIC SYSTEM OPERATION
- "HARD FAILURES"
- "INTERMITTENT FAILURES"
- 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 (ALL ENGINES)
- DIAGNOSTIC CIRCUIT CHECK PROCEDURES
- "SCAN" DIAGNOSTIC CIRCUIT CHECK
- CHART A1 - NO "SERVICE ENGINE SOON" LIGHT (2.8L)
- CHART A1 - NO "SES" LIGHT (5.0/5.7L)
- Engine Runs Okay
- Engine Cranks But Will Not Run
- (ALL ENGINES)
- CHART A3 (1 of 2) - ENGINE CRANKS, BUT WON'T RUN (2.8L)
- CHART A3 (2 of 2) - ENGINE CRANKS, BUT WON'T RUN (2.8L)
- CHART A3 (1 of 2) - ENGINE CRANKS, BUT WON'T RUN (5.0/5.7L)
- CHART A3 (2 of 2) - ENGINE CRANKS, BUT WON'T RUN (5.0/5.7L)
- CHART A7 (1 OF 2) - FUEL SYSTEM DIAGNOSIS (2.8L)
- CHART A7 (2 OF 2) - FUEL SYSTEM DIAGNOSIS (2.8L)
- CHART A7 (1 OF 2) - FUEL SYSTEM DIAGNOSIS (5.0/5.7L)
- CHART A7 (2 OF 2) - FUEL SYSTEM DIAGNOSIS (5.0/5.7L)
- CHART A9 - COLD START VALVE (ALL ENGINES)
- CHART C1D - MAP OUTPUT CHECK (ALL ENGINES)
- POWER STEERING PRESSURE SWITCH (PSPS) CHECK (ALL ENGINES)
- CHART C2C - IDLE AIR CONTROL (IAC) (All ENGINES)
- CHART C3 - CANISTER PURGE CHECK (ALL ENGINES)
- CHART C4A - IGNITION SYSTEM CHECK (5.0/5.7L)
- CHART C4B - IGNITION SYSTEM CHECK (2.8L)
- CHART C4F - DIS MISFIRE (2.8L)
- ELECTRONIC SPARK CONTROL (ESC) CHECK (ALL ENGINES)
- CHART C6A - ELECTRIC CONTROL (MAN. TRANS.) (2.8L)
- CHART C6B - AIR MANAGEMENT CHECK (5.0/5.7L)
- CHART C7 - EGR VALVE CHECK (2.8L)
- CHART C7A - EGR CHECK (2.8L)
- CHART C7B - EGR RECIRCULATION CHECK (5.0/5.7L)
- TRANSMISSION CONVERTER CLUTCH (TCC) (ALL 2.8L)
- TRANSMISSION CONVERTER CLUTCH (TCC) (2.8L "F" BODY)
- TRANSMISSION CONVERTER CLUTCH (TCC) (2.8L "A" BODY)
- TRANSMISSION CONVERTER CLUTCH (TCC) (5.0/5.7L) (1 OF 2)
- TRANSMISSION CONVERTER CLUTCH (TCC) (5.0/5.7L) (2 OF 2)
- CHART C8B - MAN. TRANS. SHIFT LIGHT (5.0/5.7L)
- CHART C10 - A/C CLUTCH CONTROL (2.8L)
- CHART C12 - COOLING FAN CONTROL CIRCUIT (2.8L) (1 OF 2)
- CHART C12 - COOLING FAN CONTROL CIRCUIT (2.8L) (2 OF 2)
- CHART C12 - COOLING FAN CONTROL CIRCUIT (5.0/5.7L) (1 OF 2)
- CHART C12 - COOLING FAN CONTROL CIRCUIT (5.0/5.7L) (2 OF 2)
- MODEL IDENTIFICATION
- DESCRIPTION
- 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 CHARTS
- DIAGNOSTIC AIDS
- FIELD SERVICE MODE CHECK (FUEL INJECTED MODELS)
- SPECIAL DIAGNOSTIC TOOLS
- SCAN TESTER USAGE
- SCAN TESTER - TEST DATA PARAMETERS
- DIAGNOSTIC CIRCUIT CHECK (ALL ENGINES)
- DIAGNOSTIC CIRCUIT CHECK PROCEDURES
- "SCAN" DIAGNOSTIC CIRCUIT CHECK
- CHART A1 - NO "SES" LIGHT (2.8L & 5.0L)
- CHART A1 - NO "SERVICE ENGINE SOON" LIGHT (5.7L)
- CHART A2 - NO CODE 12 "SES" LIGHT ON STEADY (2.8L)
- CHART A2 - NO CODE 12 "SES" LIGHT ON STEADY (5.0/5.7L)
- CHARTS A3A & A3B - ENGINE CRANKS, BUT WON'T RUN (ALL ENGINES)
- A3B - ENGINE CRANKS, BUT WON'T RUN (CONT.) (ALL ENGINES)
- CHART A7A - FUEL SYSTEM DIAGNOSIS (ALL ENGINES)
- CHART A7B - FUEL SYSTEM DIAGNOSIS (ALL ENGINES)
- CHART A9 - COLD START VALVE (ALL ENGINES)
- CODE 13 - OPEN OXYGEN (O2) SENSOR CIRCUIT (ALL ENGINES)
- CODE 14 - CTS SIGNAL VOLTAGE LOW (ALL ENGINES)
- CODE 15 - CTS SIGNAL VOLTAGE HIGH (ALL ENGINES)
- CODE 21 - TPS SIGNAL VOLTAGE HIGH (ALL ENGINES)
- CODE 22 - TPS SIGNAL VOLTAGE LOW (ALL ENGINES)
- CODE 23 - MAT SENSOR SIGNAL VOLTAGE HIGH (ALL ENGINES)
- CODE 24 - VEHICLE SPEED SENSOR (VSS) (ALL ENGINES)
- CODE 25 - MAT SENSOR SIGNAL VOLTAGE LOW (ALL ENGINES)
- CODE 32 - EGR SYSTEM FAILURE (2.8L)
- CODE 32 - EGR SYSTEM FAILURE (5.0/5.7L)
- CODE 33 - MAF SIGNAL VOLTAGE HIGH (2.8L)
- CODE 33 - MAF SIGNAL VOLTAGE HIGH (5.0/5.7L)
- CODE 34 - MAF SENSOR SIGNAL VOLTAGE LOW (2.8L)
- CODE 34 - MAP SENSOR SIGNAL VOLT LO (2.8L, P-BODY)
- CODE 34 - MAF SENSOR SIGNAL VOLTAGE LOW (5.0/5.7L)
- CODE 36 - MAF SENSOR BURN-OFF (5.0/5.7L)
- CODE 41 - CYLINDER SELECT ERROR (2.8L)
- CODE 41 - CYLINDER SELECT ERROR (5.0/5.7L)
- CODE 42 - ELECTRONIC SPARK TIMING (ALL ENGINES)
- CODE 43 - ELECTRONIC SPARK CONTROL (ESC) (5.0/5.7L)
- CODE 44 - LEAN EXHAUST INDICATION (ALL ENGINES)
- CODE 45 - RICH EXHAUST INDICATION (ALL ENGINES)
- CODE 46 - VEHICLE ANTI-THEFT SYSTEM (VATS) (CORVETTE)
- CODE 51 - FAULTY MEM-CAL
- CODE 53 - SYSTEM OVER VOLTAGE
- CODE 54 - FUEL PUMP CIRCUIT LOW VOLTAGE (ALL ENGINES)
- CHART C1 - ECM REPLACEMENT CHECK CHART
- CHART C1A - PARK NEUTRAL SWITCH (ALL ENGINES)
- CHART C1E - PSPS CHECK (2.8L & 5.0L)
- CHART C3 - CANISTER PURGE CHECK (ALL ENGINES)
- CHART C4A - IGNITION SYSTEM CHECK (5.0/5.7L)
- CHART C4B - IGNITION SYSTEM CHECK (2.8L)
- CHART C5 - ELECTRONIC SPARK CONTROL (ESC) (5.0/ 5.7L)
- CHART C6A - ELECTRIC DIVERT (2.8L W/ MAN. TRANS.)
- CHART C6A - AIR MANAGEMENT CHECK (5.7L)
- CHART C6B - AIR MANAGEMENT CHECK (5.0L)
- CHART C7A - EXHAUST GAS RECIRCULATION (2.8L)
- CHART C7B - EXHAUST GAS RECIRCULATION (5.0/5.7L)
- CHART C8 - TRANS. CONV. CLUTCH (2.8L, ALL TRANS./TRANSAXLES)
- CHART C8A - TRANS. CONV. CLUTCH (CONT.)(2.8L,125-C TRANSAXLE)
- CHART C8A - TRANSMISSION CONVERTER CLUTCH (5.7L)
- CHART C8B - MANUAL TRANS. W/ OVERDRIVE (5.7L)
- CHART C10A - A/C CLUTCH CONTROL (2.8L)
- CHART C10B - A/C CLUTCH CONTROL
- CHART C12A - COOLANT FAN CHECK (ALL ENGINES)