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-2A "Slow Change In Idle MAP Signal"
- DR-3A "No Change In MAP Signal From Start to Run"
- DR-4A "MAP Voltage Too Low"
- DR-5A "MAP Voltage Too High"
- DR-6A "No Vehicle Speed Signal"
- DR-7A "O2 Signal Stays at Center"
- DR-8A "O2 Signal Shorted to Voltage"
- DR-9A "Coolant Sensor Voltage Too High"
- DR-10A "Coolant Sensor Voltage Too Low"
- DR-11A "Charge Temperature Sensor Voltage High"
- DR-12A "Charge Temperature Sensor Voltage Low"
- DR-13A "Throttle Position Sensor Voltage High"
- DR-14A "Throttle Position Sensor Voltage Low"
- DR-15A "Automatic Idle Speed Motor Circuits"
- DR-16A "Injector #1 Control Circuits"
- DR-17A "Injector #2 Control Circuits"
- DR-18A "Injector #3 Control Circuits"
- DR-19A "Injector #4 Control Circuits"
- DR-20A "Injector #5 Control Circuits"
- DR-21A "Injector #6 Control Circuits"
- DR-22A "A/C Clutch Relay Circuit"
- DR-23A "Radiator Fan Relay Circuit"
- DR-24A "No ASD Relay Voltage Sense at Controller"
- DR-25A "SBEC EMR Miles Not Stored/EEPROM Write Denied"
- DR-26A Secondary Ignition and Timing
- DR-27A Fuel Pressure
- DR-27B Fuel Pressure
- DR-28A Coolant and TPS Calibrations
- DR-29A MAP Sensor Calibration
- DR-30A Oxygen Sensor Switching
- DR-30B Oxygen Sensor Locked Lean
- DR-31A Idle Speed Motor Operation
- DR-31B Idle Speed Motor Operation
- DR-31C Idle Speed Motor Operation
- DR-31D Idle Speed Motor Operation
- DR-31E Idle Speed Motor Operation
- DR-32A Park/Neutral Switch Input
- DR-33A Engine Controller Grounds and Power Circuits
- DR-35A Intermittent Test For Solenoids or Relays
- DR-36A Intermittent Test For Sensors
- DR-36B Intermittent Test For MAP Sensor Signal Change
- DR-37A Intermittent Test For Automatic Idle Speed Motor
- DR-38A Intermittent Test For Fuel Injectors
- Charging System (CH) Tests
- CH-1A Testing Battery
- CH-1B Testing Battery
- CH-2A Repair Fault Alt Field Not Switching Properly
- CH-2B Repair Fault Alt Field Not Switching Properly
- CH-2C Repairing Fault Alt Field Not Switching Properly
- CH-3A Repair Fault Charge System Voltage Too Low
- CH-4A Repair Fault Charge System Voltage Too High
- CH-4B Checking Engine Controller Regulating Circuit
- CH-4B Repairing Fault Charging System Voltage Too High
- CH-5A Check For Intermittent Problems
- Speed Control (SP) Tests
- SP-1A Reading Fault Codes
- SP-2A Repairing Fault "Speed Control Solenoid Circuits"
- SP-2B Repairing Fault "Speed Control Solenoid Circuits"
- SP-2C Repairing Fault "Speed Control Solenoid Circuits"
- SP-3A Repairing Fault Code "No Vehicle Speed Signal"
- SP-3B Repairing Fault Code "No Vehicle Speed Signal"
- SP-4A Checking Speed Control Switches
- SP-5A Checking On/Off Switch
- SP-5B Checking On/Off Switch
- SP-7A Checking Resume Switch
- SP-9A Checking Set Switch
- SP-11A Checking Brake Switch
- SP-11B Checking Brake Switch
- SP-12A Checking Neutral Safety Switch
- SP-13A Checking Speed Control Servo Operation
- SP-13B Checking Speed Control Servo Operation
- SP-14A Checking For Intermittent Faults
- SP-15A Reading Faults
- SP-16A Repairing Fault "Speed Control Power Relay Circuit"
- SP-17A Repairing Fault "No Vehicle Speed Signal"
- SP-18A Repairing Fault "Speed Control Solenoid Circuit"
- SP-18B Repairing Fault "Speed Control Solenoid Circuit"
- SP-18C Repairing Fault "Speed Control Solenoid Circuit"
- SP-19A Checking Switches
- SP-20A Checking Speed Control Switches
- SP-20B Checking Speed Control Switches
- SP-21A Checking Brake Switch
- SP-21B Checking Brake Switch
- SP-22A Checking Neutral Safety Switch
- Vehicle Communication Tests
- 1A General Failure Messages
- 2A Testing For RAM Failure
- 3A Testing For Cartridge Error Message
- 4A Testing for Keypad Failure
- 5A Testing for High Battery Message
- 6A Testing for Low Battery Message
- 7A Bus Failure Messages
- 106A Motorized Seat Belt Blank DRBII
- 107A Motorized Seat Belt No Response
- 107B Motorized Seat Belt No Response
- 108A Testing Diag Conn For Gnd/DRB For Proper Operation
- 109A Testing For No Response on the DRBII Message Screen
- 109B Testing For No Response on the DRBII Message Screen
- 110A Testing Bendix ABS System For Blank Message Screen
- 111A Testing Bendix ABS System For No Response Message
- Verification Tests