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-2 Testing Oxygen Sensor Circuit
- DR-3A Testing Air Flow Sensor Circuit
- DR-4A Testing Air Temp. Sensor Circuit
- DR-5A Testing Throttle Position Sensor Circuit
- DR-6A Testing Engine Coolant Sensor
- DR-7A Testing #1 Cylinder Top Dead Center Sensor
- DR-8A Testing Vehicle Speed Sensor
- DR-9A Testing Barometric Pressure Sensor Circuit
- DR-10A Testing Detonation Sensor (Turbo)
- DR-11A Testing Fuel Injector Circuit
- DR-12A Testing Fuel Pump Sense
- DR-13A Testing EGR Temp. Sensor (California)
- DR-14A Testing Ignition Coil
- DR-15A Testing Switches
- DR-16A Testing Sensors
- DR-17A Testing Idle Speed Actuator
- DR-18A Checking Fuel Pressure
- DR-19A Checking Purge System
- DR-20A Checking EGR System
- DR-21A Inspection of Mechanical Systems and Components
- DR-22A Checking DRBII Communications
- Verification Tests