A L L Diagnostic Trouble Codes ( DTC )
Testing and Inspection- Diagnostic Trouble Code Descriptions
- Manufacturer Code Charts
- Code to Test Chart
- Driveability (DR) Tests
- DR-1A CODE to DR TEST Chart (Checking for Fault Codes)
- DR-1B Output Circuits of ECM Controlled Components
- DR-1C Shift Indicator Lamp Circuit
- DR-1D Switch Inputs to Logic Module
- DR-1E Brake Switch Input to Logic Module
- DR-1F Brake Switch Input to Logic Module
- DR-1G Park/Neutral Switch Input Circuit
- DR-1H A/C Push Button Switch Input Circuit
- DR-1I Automatic Idle Speed Motor Operation
- DR-1J Automatic Idle Speed Motor Signal
- DR-1K Automatic Idle Speed Motor Signal
- DR-1L AIS Motor Signal at Logic Module
- DR-1M AIS Motor Signal at Logic Module
- DR-1N Logic Module Ground Circuits
- DR-1O Checking Intermittent Failure
- DR-2A Fault Codes 13 &/or 14 MAP Sensor Circuit
- DR-2B MAP Sensor In Logic Module
- DR-2C MAP Signal to Logic Module
- DR-2D MAP Sensor Wire to Logic Module
- DR-2E Checking 5 Volt Supply to MAP Sensor
- DR-3A Fault Code 15 Speed Sensor Circuit
- DR-3B Speed Sensor Circuit
- DR-4A Fault Code 21-Oxygen Sensor Circuit
- DR-4B Oxygen Sensor Circuit
- DR-5A Fault Code 22-Coolant Sensor Circuit
- DR-5B Coolant Sensor to Logic Module
- DR-5C Coolant Sensor Wires to Logic Module
- DR-6A Fault Code 23 Throttle Body Temperature Sensor
- DR-6B Throttle Body Temperature Sensor to Logic Module
- DR-6C Throttle Body Temperature Wires to Logic Module
- DR-7A Fault Code 24 Throttle Position Sensor
- DR-7B TPS Circuit to Logic Module
- DR-7C TPS Wires to Logic Module
- DR-7D Checking 5 Volt Supply to TPS
- DR-8A Fault Code 25 AIS Motor Circuit
- DR-8B AIS Motor Circuit For A Short
- DR-8C AIS Motor Control Wires For A Short
- DR-8D Checking FJ2 Wire From Power Module
- DR-9A Fault Code 31 Canister Purge Solenoid
- DR-9B Canister Purge Solenoid Control Wire
- DR-9C Canister Purge Solenoid Windings
- DR-10A Fault Code 33 A/C Cut-Out Relay
- DR-10B A/C Cutout Relay Control Circuit
- DR-10C A/C Cut-Out Relay Pull In Coil Windings
- DR-11A Fault Code 35 Radiator Fan Relay Control
- DR-11B Radiator Fan Relay Control Circuit
- DR-11C Radiator Fan Relay Pull In Coil Windings
- DR-12A Fault Code 37 Transaxle Lock-Up Solenoid
- DR-12B Power to Transaxle Lock-Up Solenoid
- DR-12C Transaxle Lock-Up Solenoid Wire
- DR-13A Calibrations Engine Coolant Temperature Sensor
- DR-13B Sensor Calibrations (Throttle Position)
- DR-13C Calibration Throttle Position Sensor
- DR-13D Calibration Throttle Position Sensor
- DR-13E Sensor Calibration MAP Sensor
- DR-13F Sensor Calibration MAP Sensor
- DR-13G Calibration Throttle Body Temperature
- DR-14 Heated Air Intake System Engine Cold
- DR-15 Checking For Fuel Fouled Spark Plugs
- DR-16A Calibration Engine Coolant Temperature Sensor
- DR-16B Calibration Throttle Position Sensor
- DR-16C Calibration Throttle Position Sensor
- DR-16D Calibration Throttle Position Sensor
- DR-16E Sensor Calibration MAP Sensor
- DR-16F Sensor Calibration MAP Sensor
- DR-16G Calibration Throttle Body Temperature Sensor
- DR-17 Heated Air Intake System Engine Warm
- DR-18A EGR Vacuum From Throttle Body to EGR BP-Valve
- DR-18B Vacuum Supply From Back Pressure Valve to EGR
- DR-18C Checking EGR Valve Operation
- DR-18D EGR Valve Vacuum Chamber For Leaks
- DR-19 Checking Secondary Ignition System
- DR-20A Checking Basic Ignition Timing
- DR-20B Checking Spark Advance
- DR-21A Fuel Supply & Return System
- DR-21B Checking For Low Fuel Pressure
- DR-21C Checking For Low Fuel Pressure
- DR-21D Checking For High Fuel Pressure
- DR-22A Oxygen Sensor Operation
- DR-22B Rich Engine Operating Condition
- DR-23 Throttle Body Minimum Air Flow
- DR-24A Driveability Not Related to Engine Controls
- Driveability Tests - Trouble Codes
- 1A Checking System For Fault Codes - START HERE -
- 1B Output Circuits of Logic Module
- 1C Shift Indicator Lamp Circuit
- 1D Switch Inputs to Logic Module
- 1E Brake Switch Input to Logic Module
- 1F Brake Switch Input to Logic Module
- 1G Park/Neutral Switch Input Circuit
- 1H A/C Push Button Switch Input Circuit
- 1I Automatic Idle Speed Motor Operation
- 1J Automatic Idle Speed Motor Signal
- 1K AIS Motor Signal From Logic Module
- 1L AIS Motor Signal at Logic Module
- 1M AIS Motor Signal at Logic Module
- 1N Logic Module Ground Circuits
- 1O Checking Intermittent Failure
- 2A Fault Codes 13 &/or 14 MAP Sensor Circuit
- 2B MAP Sensor In Logic Module
- 2C MAP Signal to Logic Module
- 2D MAP Sensor Wire to Logic Module
- 2E Checking 5 Volt Supply to MAP Sensor
- 3A Fault Code 15 Speed Sensor Circuit
- 3B Speed Sensor Circuit
- 4A Fault Code 21 Oxygen Sensor Circuit
- 4B Oxygen Sensor Circuit
- 5A Fault Code 22 Coolant Sensor Circuit
- 5B Coolant Sensor to Logic Module
- 5C Coolant Sensor Wires to Logic Module
- 6A Fault Code 23 Throttle Body Temperature Sensor
- 6B Throttle Body Temperature Sensor to Logic Module
- 6C Throttle Body Temperature Wires to Logic Module
- 7A Fault Code 24 Throttle Position Sensor Circuit
- 7B TPS Circuit to Logic Module
- 7C TPS Wires to Logic Module
- 7D Checking 5 Volt Supply to TPS
- 8A Fault Code 25 AIS Motor Circuit
- 8B AIS Motor Circuit For A Short
- 8C AIS Motor Control Wires For A Short
- 8D Checking FJ2 Wire From Power Module
- 9A Fault Code 31 Canister Purge Solenoid
- 9B Canister Purge Solenoid Control Wire
- 9C Canister Purge Solenoid Windings
- 10A Fault Code 33 A/C Cut Out Relay
- 10B A/C Cutout Relay Control Circuit
- 10C A/C Cut Out Relay Pull In Coil Windings
- 11A Fault Code 35 Radiator Fan Relay Control
- 11B Radiator Fan Relay Control Circuit
- 11C Radiator Fan Relay Pull In Coil Windings
- 12A Fault Code 37 Transaxle Lock Up Solenoid
- 12B Power to Transaxle Lock Up Solenoid
- 12C Transaxle Lock Up Solenoid Wire
- 13A Calibrations Engine Coolant Temperature Sensor
- 13B Sensor Calibrations (Throttle Position)
- 13C Calibration Throttle Position Sensor
- 13D Calibration Throttle Position Sensor
- 13E Sensor Calibration MAP Sensor
- 13F Sensor Calibration MAP Sensor
- 13G Calibration Throttle Body Temperature
- 14 Heated Air Intake System Engine Cold
- 15 Checking For Fuel Fouled Spark Plugs
- 16A Calibration Engine Coolant Temperature Sensor
- 16B Calibration Throttle Position Sensor
- 16C Calibration Throttle Position Sensor
- 16D Calibration Throttle Position Sensor
- 16E Sensor Calibration MAP Sensor
- 16F Sensor Calibration MAP Sensor
- 16G Calibration Throttle Body Temperature Sensor
- 17 Heated Air Intake System Engine Warm
- 18A EGR Vacuum From Throttle Body to EGR BP Valve
- 18B Vacuum Supply From Back Pressure Valve to EGR
- 18C Checking EGR Valve Operation
- 18D EGR Valve Vacuum Chamber For Leaks
- 19 Checking Secondary Ignition System
- 20A Checking Basic Ignition Timing
- 20B Checking Spark Advance
- 21A Fuel Supply & Return System
- 21B Checking For Low Fuel Pressure
- 21C Checking For Low Fuel Pressure
- 21D Checking For High Fuel Pressure
- 22A Oxygen Sensor Operation
- 22B Rich Engine Operating Condition
- 23 Throttle Body Minimum Air Flow
- 24A Driveability Not Related to Engine Controls
- Charging System (CH) Tests
- CH-1A Checking Charging System For Fault Codes
- CH-1B Checking For Intermittent Failures
- CH-2A Sensor Calibration-Battery Temperature
- CH-3 Fault Code 16 Battery Voltage Sensing Circuit
- CH-4A Fault Code 46 or 41-46 Alternator Field
- CH-4B Alternator Field Control to the Power Module
- CH-4C Alternator Field Control to the Logic Module
- CH-5A Fault Code 41 or 41-47 or 47 Alternator Field
- CH-5B Field Control Circuit at the Logic Module
- CH-5C Field Control Wire to the Power Module
- CH-5D Field Control Circuit of the Power Module
- CH-5E Field Control to the Power Module
- CH-5F Check Voltage to Alternator Field Circuit
- CH-6A Fault Code 44 Battery Temperature
- CH-6B Battery Temperature Sensor Wire
- CH-6C Battery Temperature Sensor Wire
- Heating and Air Conditioning