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 Injector Circuits
- DR-17A Checking Fuel Pressure
- DR-18A Checking Purge System
- DR-19A Checking EGR System
- DR-20A Inspection of Mechanical Systems and Components
- Antilock Brakes / Traction Control Systems
- Chart A - Warning Light Does Not Light at All
- Chart B - Warning Light On After Engine Is Started & Remains On
- Chart C - Warning Light Does Not Illum When Ign Key In "Start"
- Chart D - ABS Warning Light Blinks
- Chart E1 - Input Abnormality of Wheel Speed Sensor
- Chart E2 - Output Abnormality of Wheel Speed Sensor
- Chart E3 - Abnormality of G Sensor Circuit
- Chart E4 - Abnormality of Stop Light Switch Circuit
- Chart E5 - Abnormality of Solenoid Valve Drive Circuit
- Chart E6 - Abnormality of Valve Relay Drive Circuit
- Chart E7 - Abnormality of Motor Drive Circuit
- Verification Tests