4.3L TBI Tests W/Codes
- Model Identification
- Description
- Diagnostic System Operation
- Basic Diagnostic Procedure
- Entering Or Exiting Diagnostic Mode (Non-Scan)
- Reading Trouble Codes
- ECM Trouble Code Definitions
- Trouble Code Determination (Hard Or Intermittent)
- Clearing Trouble Codes
- Diagnostic Materials
- Special Diagnostic Tools
- Scan Tester Usage
- Scan Tester - Test Data Parameters
- "Non-Scan" Diagnostic Circuit Check
- "Scan" Data Diagnostic Circuit Check
- Chart A1 - No "Service Engine Soon" Light
- Chart A2 - No Code 12, "SES" Light On Steady
- Chart A3 - Engine Cranks But Won't Run
- Chart A7 - Fuel System Diagnosis
- Code 13 - Open Oxygen (O2) Sensor Circuit
- Code 14 - Coolant Sensor (Temperature Too High)
- Code 15 - Coolant Sensor (Temperature Too Low)
- Code 21 - TPS Signal Voltage High
- Code 22 - TPS Signal Voltage Low
- Code 23 - Mat Sensor Temperature Low
- Code 24 - Vehicle Speed Sensor ("B" & "G" Bodies)
- Code 24 - Vehicle Speed Sensor ("F" Body)
- Code 25 - Mat Sensor Temperature High
- Code 32 - EGR System Failure (1987 Models)
- Code 32 - EGR System Failure (1988 Models)
- Code 33 - Map Sensor Signal Voltage High
- Code 34 - Map Sensor Signal Voltage Low (High Vacuum)
- Code 42 - Electronic Spark Timing (Est)
- Code 43 - Electronic Spark Control (ESC)
- Code 44 - Lean Exhaust Indication
- Code 45 - Rich Exhaust Indication
- Code 51 - Faulty Prom
- Code 52 - Fuel "CALPAK" Missing
- Code 54 - Fuel Pump Circuit Low Voltage
- Code 55 - Faulty ECM
- Chart B1 - Restricted Exhaust System Checks
- Chart C1 - ECM Replacement Check Chart
- Chart C1A - Park/Neutral Switch Diagnosis (Auto Trans.)
- Chart C1B - Crank Signal
- Chart C1D - Map Output Check
- Chart C2C - Idle Air Control
- Chart C3 - Canister Purge Check
- Chart C4B - Ignition System Check
- Chart C5 - Electronic Spark Control (ESC) Check
- Chart C6B - Air Management Check (PEDES Valve)
- Chart C7 - EGR Check
- Chart C8A - 200-4R Torque Converter Clutch Diagnosis
- Component Locations
- ECM Terminal Identification
- Wiring Diagrams