Engine Controls - Tests W/Codes - V6/V8
- Introduction
- Model Identification
- System Diagnosis
- Diagnostic Procedure
- Entering On-Board Diagnostics
- Notes
- "Check Engine" Light Diagnostic Mode
- DRB-II Diagnostic Mode
- Start Counter
- Fault Counter
- DRB-II Switch Test Mode
- DRB-II Read Input States
- DRB-II Read Output States
- DRB-II Actuates Solenoids & Relays
- DRB-II Actuates Outputs
- DRB-II Read Sensor Voltages
- DRB-II Read Sensor Values
- DRB-II Engine Parameters
- DRB-II Set Engine Rpm
- DRB-II Emissions EMR Tests
- DRB-II Read Module Information
- DRB-II System Monitors
- DRB-II Special Functions
- DRB-II Problems & Error Messages
- Diagnostic Trouble Code (DTC) Identifications
- Emission Maintenance Reminder (EMR) Mileage Transfer
- Emission Maintenance Reminder Light Reset Procedure
- Clearing Codes
- Code Chart Information
- No Start Tests
- NS1: Check For IGN Spark & Power Feed To Coil
- NS2: Check For Fuel Spray & Fault Messages W/DRB-II
- NS3: Checking For Injector Faults & Theft Status
- NS4: Check For Fuel Pressure, TPS & Power Feed To Injectors
- NS5: Checking For Wet Plugs, Valve Gear & IGN Timing
- NS6: Fuel Filter, Pump, Regulator & Power To Pump
- NS7: Injectors, Fuel Lines & Regulator Operation
- NS8: Checking High Fuel Pressure At Regulator & Tank
- NS9: Check For Defective Coil Or Control Circuitry
- NS10: Check Injector, Control Circuit & Eng Controller
- NS11: Checking DRB-II & System Faults
- NS12: System Power & Ground, Map Sensor & Controller
- NS13: Code 11 "IGN Reference Signal"
- NS14: Code 42 "ASD Relay Circuit"
- NS15: ASD Relay, Power To Pump, O2 Sensor & Injectors
- DRIVEABILITY Tests
- Dr1: Checking System For Faults
- Dr2: Code 13 "Map Pneumatic Signal"
- Dr3: Code 13 "Map Pneumatic Change"
- Dr4: Code 14 "Map Voltage Too Low"
- Dr5: Code 14 "Map Voltage Too High"
- Dr6: Code 15 "Vehicle Speed Signal"
- Dr7: Code 21 "Oxygen Sensor Signal"
- Dr8: Code 21 "Oxygen Sensor Shorted Hi"
- Dr9: Code 22 "Coolant Voltage Low"
- Dr10: Code 22 "Coolant Voltage High"
- Dr11: Code 23 "T/B Temp Voltage"
- Dr12: Code 23 "T/B Temp Voltage Hi"
- Dr13: Code 24 "TPS Voltage"
- Dr14: Code 24 "TPS Voltage High"
- Dr15: Code 25 "AIS Motor Circuits"
- Dr16: Code 27 "INJ 1 Control CKT"
- Dr17: Code 31 "Purge Solenoid CKT"
- Dr18: Code 32 "EGR Solenoid Circuit"
- Dr19: Code 32 "EGR Solenoid Circuit"
- Dr20: Code 33 "A/C Clutch Relay Circuit"
- Dr21: Code 35 "Idle Switch Shorted"
- Dr22: Code 35 "Idle Switch Shorted"
- Dr23: Code 36 "Air Switch Solenoid Circuit"
- Dr24: Code 37 "PTU Solenoid Circuit" (W/O Overdrive)
- Dr25: Code 37 "PTU Solenoid Circuit" (W/ Overdrive)
- Dr26: Code 45 "Overdrive Solenoid"
- Dr27: Code 42 "Z1 Voltage Sense"
- Dr28: Codes 62 & 63
- Dr29: Check Engine Controller Ground & Power CKTS
- Dr30: Check Park/Neutral Switch Input
- Dr31: Checking Coolant & TPS Sensor Calibrations
- Dr32: Checking Map/Throttle Body Sensor Calibrations
- Dr33: Checking Closed Throttle Switch
- Dr34: Checking Idle Speed Actuator Operation
- Dr35: Checking Solenoids
- Dr36: Checking EGR Valve Operation
- Dr37: Checking Air Switching System
- Dr38: Checking Secondary Ignition & Timing
- Dr39: Checking Fuel Pressure
- Dr40: Checking Heated Air Door & Fuel In Crankcase
- Dr41: Checking O2 Sensor & Heater Function
- Dr42: Checking Minimum & Maximum Airflow
- Dr43: Other Possible Causes Of DRIVEABILITY Problems
- Dr44: Intermittent Test For Solenoids & Relays
- Dr45: Intermittent Test - Map Sensor Pneumatic Change
- Dr46: Intermittent Test For Voltage Sensors
- Dr47: Intermittent Test For Idle Motor Circuits
- Dr48: Intermittent Test For Fuel Injector
- Verification Tests
- Summary