Engine Controls - Tests W/Codes - 3.0L
- Introduction
- Model Identification
- Self-Diagnostic System
- Operating Modes
- DRB-II Problems & Error Messages
- Emission Maintenance Reminder (EMR)
- Summary
- Fault Code Charts
- Trouble Shooting Charts
- No Start Tests NS-1A To NS-13A
- Notes
- NS-1A: Checking For Ignition Spark & Power Feed To Coil
- NS-2A: Checking TPS, Power To SBEC & Map Sensor, Theft Alarm Status & Fuel Pressure
- NS-3A: Checking For Wet Spark Plugs, Valve & Ignition Timing
- NS-3B: Checking Valve Timing & Compression
- NS-4A: Checking Fuel Filter, Fuel Pump, Fuel Pressure & Power To Fuel Pump
- NS-4B: Checking Fuel Return Lines & Pressure Regulator
- NS-4C: Checking Fuel Pump & Power To Fuel Pump
- NS-5A: Checking For Defective Coil Or Control Circuitry
- NS-6A: Checking System For Faults
- NS-7A: Checking Power Circuit To Injectors & Ignition Coil
- NS-8A: Checking System PWR & GND & Operation Of TPS, Map Sensor & SBEC
- NS-8B: Checking System PWR & GND & Operation Of TPS, Map Sensor & SBEC
- NS-8C: Checking System Power & Ground
- NS-9A: No Reference Signal (DTC 11)
- NS-9B: No Reference Signal
- NS-9C: No Reference Signal
- NS-10A: Auto Shutdown (ASD) Relay Circuit (DTC 42)
- NS-11A: Code 42, No Auto Shutdown (ASD) Relay Voltage Sensed At SBEC (DTC 42)
- NS-12A: Checking Idle Speed Motor Operation
- NS-12B: Checking Idle Speed Motor Operation
- NS-12C: Checking Idle Speed Motor Operation
- NS-12D: Checking Idle Speed Motor Operation
- NS-12E: Checking Idle Speed Motor Operation
- NS-13A: Performing Start & Stall Mechanical Test
- DRIVEABILITY Tests Dr-1A To Dr-47A
- Please Read This First *
- Dr-1A: Checking System For Faults
- Dr-1B: DRB-II Fault Messages
- Dr-2A: Slow Change In Map Signal (DTC 13)
- Dr-3A: No Change In Map From Start To Run (DTC 13)
- Dr-4A: Map Voltage Too Low (DTC 14)
- Dr-5A: Map Voltage Too High (DTC 14)
- Dr-6A: No Vehicle Speed Signal (DTC 15)
- Dr-7A: Oxygen Sensor (O2) Signal Stays At Center (DTC 21)
- Dr-8A: Oxygen Sensor (O2) Shorted To Voltage (DTC 21)
- Dr-9A: Coolant Temperature Sensor Voltage Too High (DTC 22)
- Dr-10A: Coolant Temperature Sensor Voltage Too Low (DTC 22)
- Dr-11A: Throttle Position Sensor (TPS) Voltage High (DTC 24)
- Dr-12A: Throttle Position Sensor (TPS) Voltage Low (DTC 24)
- Dr-13A: Automatic Idle Motor Circuits (DTC 25)
- Dr-14A: Injector No. 1 Peak Current Not Reached (DTC 26)
- Dr-15A: Injector No. 1 Control Circuit (DTC 27)
- Dr-15B: Injector No. 1 Control Circuit
- Dr-15C: Injector No. 1 Control Circuit
- Dr-15D: Injector No. 1 Control Circuit
- Dr-16A: Injector No. 2 Peak Current Not Reached (DTC 26)
- Dr-17A: Injector No. 2 Control Circuit (DTC 27)
- Dr-17B: Injector No. 2 Control Circuit
- Dr-17C: Injector No. 2 Control Circuit
- Dr-17D: Injector No. 2 Control Circuit
- Dr-18A: Injector No. 3 Peak Current Not Reached (DTC 26)
- Dr-19A: Injector No. 3 Control Circuit (DTC 27)
- Dr-19B: Injector No. 3 Control Circuit
- Dr-19C: Injector No. 3 Control Circuit
- Dr-19D: Injector No. 3 Control Circuit
- Dr-20A: Purge Solenoid Circuit (DTC 31)
- Dr-21A: EGR Solenoid Circuit (DTC 32)
- Dr-22A: EGR System Failure (DTC 32)
- Dr-23A: A/C Clutch Relay Circuit (DTC 33)
- Dr-24A: A/C Clutch Relay Circuit (DTC 33)
- Dr-25A: A/C Clutch Relay Circuit (DTC 33)
- Dr-25B: A/C Clutch Relay Circuit
- Dr-26A: A/C Clutch Relay Circuit (DTC 33)
- Dr-27A: Radiator Fan Relay Circuit (DTC 35)
- Dr-28A: Radiator Fan Relay Circuit (DTC 35)
- Dr-29A: Radiator Fan Relay Circuit (DTC 35)
- Dr-30A: No Auto Shutdown (ASD) Relay Voltage Sense At SBEC (DTC 42)
- Dr-31A: No Sync Pick-Up Signal (DTC 54)
- Dr-31B: No Sync Pick-Up Signal
- Dr-32A: SBEC Failure EMR Miles Not Stored & EEPROM Write Denied (DTC 63)
- Dr-33A: Checking Secondary Ignition & Timing
- Dr-34A: Checking Fuel Pressure
- Dr-34B: Checking Fuel Pressure
- Dr-35A: Checking Coolant & Throttle Position Sensor (TPS) Calibration
- Dr-36A: Checking Map Sensor Calibration
- Dr-37A: Checking Oxygen Sensor Switching
- Dr-37B: Checking Oxygen Sensor Switching
- Dr-38A: Checking Idle Speed Motor Operation
- Dr-38B: Checking Idle Speed Motor Operation
- Dr-38C: Checking Idle Speed Motor Operation
- Dr-38D: Checking Idle Speed Motor Operation
- Dr-38E: Checking Idle Speed Motor Operation
- Dr-39A: Checking Park/Neutral Switch Input
- Dr-40A: Checking SBEC Grounds & Power Circuits
- Dr-41A: Checking Engine Vacuum
- Dr-42A: Checking Minimum Idle Airflow
- Dr-43A: Performing No Fault Code Mechanical Test
- Dr-44A: Intermittent Test For Solenoids & Relays
- Dr-45A: Intermittent Test For Voltage Sensor
- Dr-45B: Intermittent Test For Map Sensor Signal Change
- Dr-46A: Intermittent Test For Idle Motor Circuits
- Dr-47A: Intermittent Test For Idle Motor Circuits
- Verification Procedures VER-1 To VER-3