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-2 Output Circuits of SMEC
- DR-3 Intermittent Test For Solenoids & Relays
- DR-4 Intermittent Test For MAP Sensor Signal
- DR-5 Intermittent Test For Sensor Voltages
- DR-6 Intermittent Test For AIS Motor
- DR-7-Manifold Absolute Pressure Pneumatic Signal
- DR-8-Manifold Absolute Pressure Pneumatic Change
- DR-9-Manifold Absolute Pressure Voltage Low
- DR-10-Manifold Absolute Pressure Voltage Too High
- DR-11-Vehicle Speed Signal
- DR-12-Oxygen Sensor Signal
- DR-13-Coolant Voltage Low
- DR-14-Coolant Voltage High
- DR-15-Throttle Body Temperature Voltage Low
- DR-16-Throttle Body Temperature Voltage High
- DR-17-Throttle Position Sensor Voltage Low
- DR-18-Throttle Position Sensor Voltage High
- DR-19-Automatic Idle Speed Motor Circuit
- DR-20-Purge Solenoid Circuit
- DR-21-Exhaust Gas Recirculation Solenoid Circuit
- DR-22-Exhaust Gas Recirculation System Failure
- DR-23-Air Condition Clutch Relay Circuit
- DR-24-Checking Radiator & Air Condition Fan Relays
- DR-25-Radiator Fan Relay
- DR-26-PTU Solenoid Circuit
- DR-27-FJ2 Voltage Sense
- DR-28 EMR Mileage ACCUM & EEPROM
- DR-29 Checking Sensor Calibration
- DR-30 Checking Sensor Calibrations
- DR-31 Exhaust Gas Recirculation Valve Operation (Warm)
- DR-32 Checking Secondary Ignition System
- DR-33 Checking Basic Timing & Fuel System
- DR-34 Oxygen Sensor Operation
- DR-35 Throttle Body Minimum Air Flow
- DR-36 Driveability Problems Not Related to Engine Controls
- DR-37 Driveability Verification I
- DR-38 Driveability Verification II
- Airbag System
- 1 System Function
- 2 No Response Message on DRBII
- 3 Fault Messages
- 4 Repair Required For "Safing Sensor Open" Fault
- 5 Required For "Two Front Sensors Open" Fault
- 6 Required For "Squib (Initiator) Open" Fault
- 7 Required For "Squib (Initiator) Short" Fault
- 8 Required "Safing Sensor Short" Fault
- 9 Required For "Front Sensor Short" Fault
- 10 Required For "One Front Sensor Open" Fault
- 11 Required For "Low Stored Energy" Fault
- 12 Required For "Ignition 2 (Run Only) Low" Fault
- 13 Required For "Chassis Ground Open" Fault
- 14 Required For "Warning Lamp Open" Fault
- 15 Required For "Ignition 1 (Run/Start) Low" Fault
- 16 Required For "Diagnostic Module" Fault
- 17 System Check
- Antilock Brakes / Traction Control Systems
- Test 1A - Reading Fault Messages
- Test 2A - CAB Fault Test
- Test 2A - Testing Blank DRB II Message Screen
- Test 3 - Modulator Fault
- Test 3A - DRB "No Response" Message
- Test 4 - Antilock Lamp Fault
- Test 4 - Solenoid Undervoltage
- Test 5 - Antilock Lamp Relay Fault
- Test 5 - System Relay Fault
- Test 6 - Pump/Motor Fault
- Test 6A - CAB Fault
- Test 7 - Antilock Lamp Fault
- Test 7A - Excess Decay Valve Fault
- Test 8 - Antilock Lamp Relay Fault
- Test 8A - Left Front Wheel Speed Sensor Continuity Fault
- Test 9 - Right Rear Wheel Speed Sensor Continuity Fault
- Test 9A - Left Front Wheel Speed Sensor
- Test 10 - Left Rear Wheel Speed Sensor Continuity Fault
- Test 11 - Right Front Wheel Speed Sensor Continuity Fault
- Test 11A - Left Rear Wheel Speed Sensor Fault
- Test 12 - Modulator Fault
- Test 12A - Left Front Wheel Speed Sensor
- Test 13A - Right Rear Wheel Speed Sensor
- Test 13A - Stop Lamp Switch Input Test
- Test 14 - Pump Motor Fault
- Test 14A - Left Rear Wheel Speed Sensor
- Test 15 - Red Brake Warning Lamp Input Test
- Test 15A - Right Front Wheel Speed Sensor
- Test 16A - Left Front Wheel Speed Sensor Fault
- Test 16A - Right Front Wheel Speed Sensor Continuity Fault
- Test 17A - Excess Decay Valve Fault
- Test 17A - Right Front Wheel Speed Sensor
- Test 18 - Red Brake Warning Lamp Input Test
- Test 18A - Right Rear Wheel Speed Sensor Continuity Fault
- Test 19A - Right Rear Wheel Speed Sensor Fault
- Test 19A - Stop Lamp Switch Input Test
- Test 20 - Solenoid Undervoltage Fault
- Test 20A - System Verification Test
- Test 21 - System Relay Fault
- Charging System (CH) Tests
- Cruise Control
- Heating and Air Conditioning
- Speed Control (SC) Tests
- SC-1 Checking Speed Control System For Fault Codes
- SC-2A Fault Code 34-Speed Control Servo (Vacuum)
- SC-2B Fault Code 34 Speed Control Vent Solenoid
- SC-3 Testing Speed Control Switch
- SC-4A-Brake Switch Circuit
- SC-4B Park/Neutral Input
- SC-4C-Checking the Servo Ground
- SC-4D Servo Actuator Test
- SC-5 Check On/Off Switch & Stalk Feed
- SC-6 Testing the Resume Switch Circuit
- SC-7 Testing the Set Switch
- Speed Control (SP) Tests
- SP-1 Checking Speed Control System For Fault Codes
- SP-2 Checking For Fault Code 34
- SP-2A Fault Code 34
- SP-2B Fault Code 34
- SP-3 Testing Speed Control Switch
- SP-4A Brake Switch Circuit
- SP-4A Testing Brake Switch Circuit
- SP-4B Park/Neutral Input
- SP-4C Checking the Servo Ground
- SP-4D The Servo Actuator
- SP-5 Check on/Off Switch & Stalk Feed
- SP-6 Testing the Resume Switch
- SP-7 Testing the Set Switch
- SP-8 Checking Vehicle Speed Signal
- Verification Tests