Repair manual
Chevrolet Pickup C1500 Repair Manual
Step-by-step repair and maintenance instructions for the Chevrolet Pickup C1500 (1988–2000): removal, installation, adjustment, diagnostics and parameter checks with illustrations.
64sections
413articles
ENManual language
- APPLICATION
- DESCRIPTION
- OPERATION
- PCM/TCM
- SENSORS & SWITCHES
- Shift Solenoids "A" & "B"
- Force Motor (Pressure Control Solenoid)
- TCC (PWM) Solenoid
- TORQUE CONVERTER CLUTCH (TCC) CONTROL COMPONENTS
- Brake Switch
- Coolant Temperature Sensor
- Powertrain Control Module (PCM)
- TCC Solenoid Assembly
- Throttle Position Sensor (TPS)
- Vacuum Sensor
- Vehicle Speed Sensor (VSS)
- SELF-DIAGNOSTICS
- CLUTCH & BAND APPLICATION TABLE
- ELECTRONIC SELF-DIAGNOSTICS
- RETRIEVING CODES (WITHOUT SCAN TOOL)
- RETRIEVING CODES (WITH SCAN TOOL)
- TROUBLE CODE DEFINITION
- HARD OR INTERMITTENT TROUBLE CODE DETERMINATION
- CLEARING TROUBLE CODES
- DIAGNOSTIC CHARTS
- CHART A-1, NO MIL (SERVICE ENGINE SOON) LIGHT
- Diagnostic Aids
- CHART A-2, NO ALDL DATA, NO DTC 12 OR MIL (SERVICE ENGINE SOON) LIGHT ON
- DTC 14, COOLANT TEMPERATURE SENSOR HIGH TEMPERATURE INDICATED (SIGNAL VOLTAGE LOW)
- DTC 15, COOLANT TEMPERATURE SENSOR LOW TEMPERATURE INDICATED (SIGNAL VOLTAGE HIGH)
- DTC 21, THROTTLE POSITION SENSOR SIGNAL VOLTAGE HIGH
- DTC 21/22, THROTTLE POSITION SENSOR SIGNAL VOLTAGE LOW/HIGH (1994) DIESEL
- DTC 22, THROTTLE POSITION SENSOR SIGNAL VOLTAGE LOW
- DTC 24, OUTPUT SPEED SENSOR LOW (1993 2WD)
- DTC 24, OUTPUT SPEED SENSOR LOW (1993 4WD)
- DTC 24 & DTC 72, VEHICLE SPEED SENSOR (OUTPUT SPEED SIGNAL LOW) & (OUTPUT SPEED SIGNAL LOSS) 1994
- DTC 28, PRESSURE SWITCH MANIFOLD (PSM) ASSEMBLY FAULT (1993)
- DTC 28, PRESSURE SWITCH MANIFOLD (PSM) ASSEMBLY FAULT (1994)
- DTC 37 & 38, TCC BRAKE SWITCH STUCK ON OR OFF (1994)
- DTC 39, TORQUE CONVERTER CLUTCH STUCK OFF (1993)
- DTC 39, TORQUE CONVERTER CLUTCH STUCK OFF (1994)
- DTC 51, PROM PROBLEM
- DTC 52 & 53, LONG SYSTEM VOLTAGE HIGH OR SYSTEM VOLTAGE HIGH (1994)
- DTC 53, SYSTEM VOLTAGE HIGH (1993)
- DTC 58, TRANSMISSION FLUID TEMPERATURE SENSOR CIRCUIT (HIGH TEMPERATURE INDICATED) 1993
- DTC 58, TRANSMISSION FLUID TEMPERATURE SENSOR CIRCUIT (HIGH TEMPERATURE INDICATED) 1994
- DTC 59, TRANSMISSION FLUID TEMPERATURE SENSOR CIRCUIT (LOW TEMPERATURE INDICATED) 1993
- DTC 59, TRANSMISSION FLUID TEMPERATURE SENSOR CIRCUIT (LOW TEMPERATURE INDICATED) 1994
- DTC 63 & 64, BAROMETRIC PRESSURE SENSOR CIRCUIT HIGH OR LOW (1994) DIESEL
- DTC 68, OVERDRIVE RATIO ERROR (1993)
- DTC 68, OVERDRIVE RATIO ERROR (1994)
- DTC 69, TORQUE CONVERTER CLUTCH (TCC) STUCK ON (1994)
- DTC 71, CAMSHAFT POSITION SENSOR CIRCUIT LOW (1994) DIESEL
- DTC 73, FORCE MOTOR CURRENT (CURRENT ERROR) 1993
- DTC 73, FORCE MOTOR CURRENT (CURRENT ERROR) 1994
- DTC 74, INPUT SPEED SENSOR CIRCUIT (1994)
- DTC 75, SYSTEM VOLTAGE LOW (1993)
- Intermittents
- DTC 75, SYSTEM VOLTAGE LOW (1994)
- DTC 79, TRANSMISSION FLUID TEMPERATURE SENSOR CIRCUIT (HIGH TEMPERATURE INDICATED) 1994
- DTC 81, SOLENOID "B" CIRCUIT FAULT (1993)
- DTC 81, SOLENOID "B" CIRCUIT FAULT (1994)
- DTC 82, SOLENOID "A" CIRCUIT FAULT (1993)
- DTC 82, SOLENOID "A" CIRCUIT FAULT (1994)
- DTC 83, TCC SOLENOID CIRCUIT FAULT (1993)
- DTC 83, TCC SOLENOID CIRCUIT FAULT (1994)
- DTC 85, UNDEFINED GEAR RATIO (1993)
- DTC 85, UNDEFINED GEAR RATIO (1994)
- DTC 86, LOW GEAR RATIO (1993)
- DTC 86, LOW GEAR RATIO (1994)
- DTC 87, HIGH GEAR RATIO (1993)
- DTC 87, HIGH GEAR RATIO (1994)
- COMPONENT TEST CHARTS (NO CODES)
- TCC TESTING
- Converter Clutch Solenoid
- Converter Lock-Up Signal At Transmission
- Converter Lock-Up Signal From PCM
- VEHICLE SPEED SENSOR CHECK
- INPUT SPEED SENSOR CIRCUIT (1993)
- BRAKE SIGNAL CIRCUIT (1993)
- PRESSURE SWITCH MANIFOLD CIRCUIT CHECK (1993-94)
- TORQUE CONVERTER CLUTCH (TCC) CIRCUIT CHECK (1993)
- SHIFT SOLENOID "A" CIRCUIT CHECK (1993)
- SHIFT SOLENOID "B" CIRCUIT CHECK (1993)
- FORCE MOTOR CIRCUIT CHECK (1993)
- 4WD LOW SWITCH SIGNAL CHECK (1994)
- APPLICATION & IDENTIFICATION
- DESCRIPTION
- TRANSMISSION CONTROLS
- PCM
- SENSORS & SWITCHES
- Shift Solenoids 1-2 & 2-3
- Pressure Control
- TCC Solenoid
- 3-2 Control Solenoid
- CLUTCH & BAND APPLICATION
- SYMPTOM DIAGNOSIS
- Incorrect Shift Pattern
- Shift Quality
- Engine Rough
- Line Pressure Too High
- Line Pressure Too Low
- MIL Stuck On
- Erratic Manual Downshift
- Unwanted Downshift (Corvette Only)
- Wrong Gear, No Shift Or Two Gears Only
- Second Gear Start (Camaro & Firebird With V6 Engine Only)
- 3rd Gear Only
- Delayed 3-4 Upshift & TCC Apply During Hard Acceleration
- No 4th Gear Hot
- No TCC Apply
- TCC Apply Time Wrong
- SELF-DIAGNOSTICS
- Internal Harness Check Chart
- Oil Pressure Switch Assembly
- Transmission Fluid Temperature & Vehicle Speed Sensor
- Torque Converter Clutch
- SHIFT SPEED TEST
- LINE PRESSURE TEST
- ELECTRONIC SELF-DIAGNOSTICS
- RETRIEVING CODES (WITH SCAN TESTER)
- TROUBLE CODE DEFINITION
- HARD OR INTERMITTENT TROUBLE CODE DETERMINATION
- INTERMITTENT PROBLEM DIAGNOSIS
- Intermittent Simulation
- Intermittent Symptom Definition
- Possible Cause & Correction
- CLEARING TROUBLE CODES
- CHART A-1 (CAMARO & FIREBIRD W/4.3L)
- CHART A-1 (BROUGHAM, CAPRICE, CAMARO, CORVETTE, FIREBIRD & ROADMASTER W/5.7L)
- CHART A-2 (BROUGHAM, CAPRICE, CAMARO, CORVETTE, FIREBIRD & ROADMASTER W/5.7L)
- CHART A-1 - ("C", "G", "K", "L", "M", "S" & "T" W/GAS ENGINE)
- CHART A-2 ("C", "G", "K", "L", "M", "S" & "T" W/GAS ENGINE)
- Diagnostic Aids
- CODE 22, THROTTLE POSITION SENSOR SIGNAL VOLTAGE LOW
- Drive Circuit Test
- CODE 58, TRANS. TEMPERATURE SENSOR HIGH TEMPERATURE - 3.4L "F" BODY, 4.3L & 5.7L
- CODE 59, TRANS. TEMPERATURE SENSOR LOW TEMPERATURE - 3.4L "F" BODY, 4.3L & 5.7L "B", "D", "F" & "Y" BODIES
- CODE 72, VEHICLE SPEED SENSOR LOSS - 3.4L "F" BODY, 4.3L & 5.7L "B", "D" & "F" BODIES
- CODE 72, VEHICLE SPEED SENSOR LOSS - 5.7L "Y" BODY
- CODE 75, TRANSMISSION VOLTAGE LOW - 4.3L & 5.7L
- CODE 79, TRANSMISSION FLUID OVERTEMP - 3.4L "F" BODY, 4.3L & 5.7L
- CODE 85, TCC STUCK ON - 4.3L & 5.7L
- CODE 96, TRANSMISSION VOLTAGE LOW - 3.4L "F" BODY
- CODE 97, VSS OUTPUT CIRCUIT - 4.3L & 5.7L
- CODE 16, TRANSMISSION OUTPUT SPEED - 5.0L & 5.7L WITH 4L60E TRANSMISSION
- CODE 21, TPS SIGNAL VOLTAGE HIGH
- CODE 22, TPS SIGNAL VOLTAGE LOW
- CODE 24, VEHICLE SPEED SIGNAL LOW
- CODE 28, PRESSURE SWITCH MANIFOLD FAULT
- CODE 58, TRANS FLUID TEMP. SENS CKT (HIGH TEMP. INDICATED)
- CODE 59, TRANSMISSION FLUID TEMP. SENSOR CIRCUIT (LOW TEMP. INDICATED)
- CODE 66, 3-2 CONTROL SOLENOID CIRCUIT FAULT
- CODE 67, TCC SOLENOID CIRCUIT CHECK
- CODE 68, OVERDRIVE RATIO ERROR
- CODE 69, TORQUE CONVERTER CLUTCH STUCK ON
- CODE 72, VSS CKT LOSS TRANSMISSION OUTPUT SIGNAL - DIESEL
- CODE 73, FORCE MOTOR CURRENT (CURRENT ERROR)
- CODE 81, 2-3 SHIFT SOLENOID CIRCUIT FAULT
- CODE 82, 1-2 SHIFT SOLENOID CIRCUIT FAULT
- BRAKE SIGNAL CIRCUIT CHECK
- TORQUE CONVERTER CLUTCH (TCC) SOLENOID CIRCUIT CHECK
- 3-2 CONTROL SOLENOID CIRCUIT CHECK
- 1-2 SHIFT SOLENOID CIRCUIT CHECK
- 2-3 SHIFT SOLENOID CIRCUIT CHECK
- PRESSURE CONTROL SOLENOID CIRCUIT CHECK
- FLUID PRESSURE SWITCH ASSEMBLY CIRCUIT CHECK
- VEHICLE SPEED SENSOR CHECK (2WD & AWD)
- VEHICLE SPEED SENSOR CHECK (4WD)
- INTRODUCTION
- TERMINOLOGY
- SELF-DIAGNOSTIC SYSTEM
- Hard Failures
- Intermittent Failures
- DIAGNOSTIC PROCEDURE
- RETRIEVING CODES (NON-SCAN)
- READING TROUBLE CODES
- HARD OR INTERMITTENT TROUBLE CODE DETERMINATION
- CLEARING TROUBLE CODES
- ECM LOCATION
- Diagnostic Aids
- Field Service Mode Check
- SPECIAL TOOLS (DIAGNOSTIC)
- SCAN TESTER USAGE
- SCAN TESTER DATA
- TROUBLE CODE CHARTS - 4.3L (EXC M/T "S" & "T" SERIES PICKUP)
- CODE 13, OPEN OXYGEN SENSOR CIRCUIT
- CODE 14, COOLANT SENSOR SIGNAL VOLTAGE LOW
- CODE 15, COOLANT SENSOR SIGNAL VOLTAGE HIGH
- CODE 16, VSS BUFFER FAULT - "G", "L", "M", "S" & "T" SERIES
- CODE 21, TPS SIGNAL VOLTAGE HIGH
- CODE 22, TPS SIGNAL VOLTAGE LOW
- CODE 23, INTAKE AIR TEMPERATURE LOW
- CODE 24, VSS - "P" SERIES M/T & "S" & "T" SERIES UTIL VEH M/T
- CODE 24, VSS - 4.3L "T" SERIES PICKUP M/T
- CODE 24, VSS TRANSMISSION OUTPUT SIGNAL - "G", "L" & "M" SERIES, "P" SERIES M/T & "S" & "T" SERIES A/T
- CODE 25, INTAKE AIR TEMPERATURE HIGH
- CODE 32, EGR CIRCUIT ERROR WITH LINEAR EGR
- CODE 32, EGR CIRCUIT ERROR - "P" SERIES 4.3L M/T
- CODE 32, EGR CIRCUIT ERROR - MODELS USING MANIFOLD VACUUM, 2-TERMINAL SOLENOID & BACKPRESSURE EGR
- CODE 32, EGR CKT ERROR MODELS USING PORTED VACUUM & EVRV SOL
- CODE 33, MAP SENSOR SIGNAL VOLTAGE HIGH
- CODE 34, MAP SENSOR SIGNAL VOLTAGE LOW
- CODE 35, IDLE SPEED ERROR
- IAC Valve Reset Procedure
- System Too Lean
- System Too Rich
- Throttle Body
- IAC Valve Connections
- PCV Valve
- CODE 36, IDLE SPD ACTUATOR FAULT - "C", "K" & "P" SERIES A/T
- CODE 42 - IGNITION CONTROL
- CODE 43, KNOCK SENSOR (DUAL SENSORS) - "S" & "T" SERIES
- CODE 43, KNOCK SENSOR W/O SPARK MODULE (SINGLE SENSOR) - "C", "G", "K" & "P" SERIES A/T
- CODE 43, KNOCK SENSOR WITH SPARK CONTROL MODULE - "C", "K" & "P" SERIES
- CODE 44, LEAN EXHAUST INDICATION
- O2 Sensor Wire
- Fuel Contamination
- Fuel Pressure
- Exhaust Leaks
- CODE 45, RICH EXHAUST INDICATION
- Fuel Pressure High
- Ignition Ground
- Fuel Canister
- MAP Sensor
- TPS
- O2 Sensor Contamination
- EGR Problem
- CODE 51, PROM ERROR (FAULTY OR INCORRECT PROM)
- CODE 52, FAULTY CALPAK
- CODE 53, SYSTEM OVERVOLTAGE
- CODE 55, ECM/PCM ERROR
- CODE 54, FUEL PUMP CIRCUIT
- CODE P0107, MAP SENSOR CKT - 4.3L "S" & "T" SERIES PICKUP M/T
- CODE P0108, MAP SENSOR CKT - 4.3L "S" & "T" SERIES PICKUP M/T
- CODE P0117, COOLANT TEMP. SENS - "S" & "T" SERIES PICKUP M/T
- CODE P0118, COOLANT TEMP. SENSOR - 4.3L "S" & "T" SERIES PICKUP M/T
- CODE P0122, THROTTLE POS SENS - 4.3L "S" & "T" SERIES P/U M/T
- CODE P0123, THROTTLE POS SENS - 4.3L "S" & "T" SERIES P/U M/T
- CODE P0139, HEATED O2 SENS OPEN CKT - 4.3L "S" & "T" SERIES PICKUP M/T
- CODE P0171, LEAN EXHAUST - 4.3L "S" & "T" SERIES PICKUP M/T
- CODE P0172, RICH EXHAUST - 4.3L "S" & "T" SERIES PICKUP M/T
- CODE P0320, IGN CNTRL ERROR - 4.3L "S/T" SERIES PICKUP - M/T
- CODE P0327, KNOCK SENSOR GROUNDED - 4.3L "S/T" PICKUP - M/T
- CODE P0328, KNOCK SENSOR OPEN - 4.3L "S/T" PICKUP - M/T
- CODE P0400, (EGR) ERROR - 4.3L "S" & "T" SERIES PICKUP M/T
- CODE P0500, VSS CIRCUIT - 4.3L "S" & "T" SERIES PICKUP M/T
- CODE P1222, FUEL PUMP VLTGE LOW - 4.3L "S/T" PICKUP - M/T
- SUMMARY