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
- Antilock Brakes / Traction Control Systems
- Test 1A - Checking System For Faults
- Test 2A - CAB Fault Test
- Test 3 - Modulator Fault
- Test 4 - Solenoid Undervoltage
- Test 5 - Low Fluid/Parking Brake Fault
- Test 6 - System Relay Fault
- Test 7 - Low Accumulator Fault
- Test 8 - Boost Pressure Fault
- Test 9 - Right Rear Wheel Speed Sensor Continuity Fault
- Test 10 - Left Rear Wheel Speed Sensor Continuity Fault
- Test 11 - Right Front Wheel Speed Sensor Continuity Fault
- Test 12A - Left Front Wheel Speed Sensor
- Test 13A - Right Rear Wheel Speed Sensor
- Test 14A - Left Rear Wheel Speed Sensor
- Test 15A - Right Front Wheel Speed Sensor
- Test 16A - Left Front Wheel Speed Sensor Fault
- Test 17 - Primary Pressure/Delta Pressure Fault
- Test 18 - Antilock Lamp Fault
- Test 19 - Antilock Lamp Relay Fault
- Test 20A - Excess Decay Fault
- Test 21 - Hydraulic Pump/Motor Circuit Test
- Test 22 - Hydraulic Pressure Performance Test
- Test 23A - DRB "No Response" Message
- Test 24 - Complaint Hard Pedal or Clicking Noise
- Test 25A - Noisy Pump Motor or Excess Run Time
- Test 26A - Complaint of Scraping/Whirring Noise
- Charging System (CH) Tests
- Cruise Control
- Seat Belt Systems
- 1 Checking For Fault Codes
- 2 Checking Rx & Tx Wires For Open Circuit
- 3 Motorized Seat Belt Fault Message
- 4 Checking R02 & R12 Wires For Open Circuit
- 5 Checking R01 & R11 Wires For Open Circuits
- 6 Checking R32 & R34 Wires For Open Circuits
- 7 Checking R31 & R33 Wires For Open Circuits
- 8 Checking R20 Wire For Open Circuit
- 9 Checking R19 Wire For Open Circuit
- 10 Checking G11 & G5 Wires For Open Circuits
- 11 Checking G7 Wire For Open Circuit
- 12 Checking M16 Wire For Open Circuit
- 13 Checking R32 & R34 Wires For Open Circuits
- 14 Checking R31 & R33 Wires For Open Circuits
- 15 Checking R19 & M1 Wires For Open Circuits
- 16 Checking R20 & M1 Wires For Open Circuits
- 17 Checking G7 Wire For Open Circuit
- 18 Checking G5 Wire For Open Circuit
- 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
- Verification Test SP-VER - Speed Control
- Verification Test VER-1A - ABS
- Verification Test VER-1B - Stop Lamp Switch Input Circuit - ABS
- Verification Test VER-1C - Accumulator Switch Input Circuit - ABS
- Verification Test VER-1D - Pressure Transducer Return Circuit - ABS
- Verification Test VER-1E - Pressure Transducer 5 Volt Circuit - ABS