A L L Diagnostic Trouble Codes ( DTC )
Testing and Inspection- Diagnostic Trouble Code Descriptions
- Manufacturer Code Charts
- Code to Test Chart
- 1, 2 and 3 Digit Codes
- 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 Idle Speed Motor Circuit
- DR-7A Testing Coolant Sensor Circuit
- DR-8A Testing #1 Cylinder Top Dead Center Sensor
- DR-9A Testing Vehicle Speed Sensor
- DR-10A Testing Barometric Pressure Sensor Circuit
- DR-11A Testing Fuel Injector Circuit
- DR-12A Testing Fuel Pump Sense
- DR-13A Testing EGR Temp. Sensor (California)
- DR-14A Checking Switches No Fault Code
- DR-15A Checking Sensors No Fault Code
- DR-16A Checking Idle Speed Control Actuator
- DR-17A Checking Fuel Pressure
- DR-18A Checking Purge System
- DR-19A Checking EGR System
- DR-20A Inspection of Mechanical Systems and Components
- DR-21A Checking DRBII Communications
- Verification Tests