A L L Diagnostic Trouble Codes ( DTC )
Testing and Inspection- Diagnostic Trouble Code Descriptions
- Manufacturer Code Charts
- Diagnostic Notes (Read Before Proceding)
- Code to Test Chart
- Driveability (DR) Tests
- DR-1A CODE to DR TEST Chart (Checking for Fault Codes)
- DR-2A Fault Codes 13 &/or 14 MAP Sensor Circuit
- DR-2B Checking Power Supply to MAP Sensor
- DR-2C MAP Sensor Signal Wire to Logic Module
- DR-3A Fault Code 15 Speed Sensor Circuit
- DR-3B Checking Speed Sensor Circuit
- DR-3C Checking Speed Sensor Circuit
- DR-4 Fault Code 16 Battery Sensing Circuit
- DR-5A Fault Code 17 Detonation Sensor
- DR-5B Detonation Sensor Wire to Logic Module
- DR-6A Fault Code 21 Oxygen Sensor Circuit
- DR-6B Checking Oxygen Sensor
- DR-7A Fault Code 22 Coolant Sensor Circuit
- DR-7B Coolant Sensor Circuit to Computer
- DR-8A Fault Code 23 Charge Sensor Circuit
- DR-8B Checking Charge Sensor Wires
- DR-9A Fault Code 24-Throttle Position Sensor Circuit
- DR-9B Check Resistance Through TPS
- DR-9C Throttle Position Wires to Logic Module
- DR-9D Throttle Position Wires to Logic Module
- DR-10A Fault Code 25 A.I.S. Control Circuit
- DR-10B Checking AIS Motor For Short to Ground
- DR-10C AIS Control Circuit For Short
- DR-10D Checking Fused J2 to Logic Module
- DR-11A Fault Code 31-Canister Purge Solenoid Circuit
- DR-11B Checking Canister Purge Solenoid Control
- DR-11C Checking Canister Purge Solenoid
- DR-11D Checking Canister Purge For Short Circuit
- DR-12 Fault Code 32 Power Loss Lamp Circuit
- DR-13A Fault Code 33 A/C Cutout Relay
- DR-13B Checking A/C Cutout Relay Control Circuit
- DR-13C Checking A/C Cutout Relay
- DR-13D Voltage to A/C Cutout Relay
- DR-14A Fault Code 34 EGR Solenoid Circuit
- DR-14B Checking EGR Solenoid Control Circuit
- DR-14C Checking EGR Solenoid Circuit For Opens
- DR-14D EGR Solenoid Circuit For Shorts
- DR-15A Fault Code 35 Radiator Fan Relay
- DR-15B Radiator Fan Relay Control Circuit
- DR-15C Checking Radiator Fan Relay
- DR-15D Voltage to Radiator Fan Relay
- DR-16A Fault Code 36 Wastegate Solenoid Circuit
- DR-16B Checking Wastegate Solenoid Control Circuit
- DR-16C Wastegate Solenoid Circuit For Open
- DR-16D Wastegate Solenoid Circuit For Short
- DR-17A Fault Code 37 BARO Read Solenoid Circuit
- DR-17B Checking Solenoid Control Circuit
- DR-17C BARO Read Solenoid Circuit For Opens
- DR-17D BARO Read Solenoid Circuit For Shorts
- DR-18A Fault Code 41-46 or 46 Charging System
- DR-18B Checking Power Module Circuit
- DR-18C Checking Control Wire to Power Module
- DR-19A Fault Code 41-47 or 41 Charging System
- DR-19B Checking Charging System Field Circuit
- DR-19C Checking Control Wire to Power Module
- DR-19D Checking Power Module Circuit
- DR-19E Voltage to Alternator Field
- DR-20A Fault Code 44 Battery Temperature Circuit
- DR-20B Battery Temperature Sensor For Shorts
- DR-20C Battery Temperature Sensor For Opens
- DR-21A Fault Code 54-Distributor SYNC Pick-Up Circuit
- DR-21B SYNC Pick-Up Circuit to Logic Module
- DR-22A Sensor Calibrations Engine Coolant
- DR-22B Sensor Calibrations Throttle Position
- DR-22C Sensor Calibration MAP Sensor
- DR-22D Sensor Calibration Charge Sensor
- DR-23 Checking EGR System
- DR-24 Checking For Fuel Fouled Spark Plugs
- DR-25A Sensor Calibration Engine Coolant
- DR-25B Sensor Calibration Throttle Position
- DR-25C Sensor Calibration MAP Sensor
- DR-25D Sensor Calibration Charge Sensor
- DR-26A Checking EGR Valve
- DR-26B Checking EGR Back Pressure Valve
- DR-26C Checking EGR Back Pressure
- DR-27A Automatic Idle Speed Motor Operation
- DR-27B Automatic Idle Speed Motor
- DR-27C Checking Wires to Logic Module
- DR-28 Logic Module Controlled Components
- DR-29A Checking Switch Inputs to Logic Module
- DR-29B Checking Brake Switch Circuit
- DR-29C Checking Park/Neutral Switch Circuit
- DR-29D Checking A/C Switch Circuit
- DR-30 Checking Fuel Injectors
- DR-31 Checking Secondary Ignition System
- DR-32A Checking Basic Ignition Timing
- DR-32B Checking Spark Advance
- DR-33A Checking Fuel Supply Pressure
- DR-33B Checking For Low Fuel Pressure
- DR-33C Checking For Low Fuel Pressure
- DR-33D Checking For High Fuel Pressure
- DR-34 Driveability Problems Not Related to Engine Controls
- Heating and Air Conditioning