Engine Controls - Tests W/Codes - 3.3L/3.8L
- Introduction
- Model Identification
- Self-Diagnostic System
- No Start Tests NS-1A To NS-14A
- Notes
- NS-1A: Checking For Ignition Spark, Fault Messages & Dis Signal Status
- NS-2A: Checking Theft Alarm Status & Power To SBEC & Map Sensor
- NS-3A: Checking TPS, Fuel Pressure, Power To Coil, Spark Plugs & Engine Timing
- NS-4A: Checking Fuel Filter, Fuel Pump, Pressure Regulator & Power To Fuel Pump
- NS-5A: Checking For High Fuel Pressure At Pressure Regulator & Fuel Tank
- NS-5B: Checking Pressure Regulator & Dampener
- NS-6A: Checking Dis Signal Status & Dis Crankshaft Sensor
- NS-6B: Checking Dis Signal Status & Dis Crankshaft Sensor
- NS-7A: Checking Dis Camshaft Sensor
- NS-7B: Checking Dis Camshaft Sensor
- NS-8A: Checking Dis Camshaft & Crankshaft Sensor Circuits
- NS-8B: Checking Dis Camshaft & Crankshaft Sensor Circuits
- NS-9A: Repairing Ignition Coil CKT, Power Feed To Injectors & Dis
- NS-10A: Checking For System Power & Ground, Operation Of Map Sensor & SBEC
- NS-10B: Checking For System Power & Ground, Operation Of Map Sensor & SBEC
- NS-10C: Checking For System Power & Ground, Operation Of Map Sensor & SBEC
- NS-11A: Auto Shutdown (ASD) Relay Control Circuit (DTC 42)
- NS-12A: No Auto Shutdown (ASD) Relay Voltage Sensed At SBEC (DTC 42)
- NS-13A: Checking Idle Speed Motor Operation
- NS-13B: Checking Idle Speed Motor Operation
- NS-13C: Checking Idle Speed Motor Operation
- NS-13D: Checking Idle Speed Motor Operation
- NS-13E: Checking Idle Speed Motor Operation
- NS-14A: Performing No Fault Code Mechanical Test
- DRIVEABILITY Tests Dr-1A To Dr-49A
- Notes
- Dr-1A: Checking System For Faults
- Dr-1B: DRB-II Fault Messages
- Dr-2A: No Change In Map From Start To Run (DTC 13)
- Dr-3A: Map Voltage Too Low (DTC 14)
- Dr-4A: Map Voltage Too High (DTC 14)
- Dr-5A: No Vehicle Speed Signal (DTC 15)
- Dr-6A: O2 Signal Stays At Center (DTC 21)
- Dr-7A: O2 Signal Shorted High (DTC 21)
- Dr-8A: Coolant Sensor Voltage Too High (DTC 22)
- Dr-9A: Coolant Sensor Voltage Too Low (DTC 22)
- Dr-10A: Charge Temperature Sensor Voltage High (DTC 23)
- Dr-11A: Charge Temperature Voltage Low (DTC 23)
- Dr-12A: Throttle Position Sensor Voltage High (DTC 24)
- Dr-13A: Throttle Position Sensor Voltage Low (DTC 24)
- Dr-14A: Automatic Idle Motor Circuits (DTC 25)
- Dr-15A: Injector No. 1 Peak Current Not Reached (DTC 26)
- Dr-16A: Injector No. 1 CTRL CKT & Peak Current Not Reached (DTC 27 & 26)
- Dr-17A: Injector No. 2 Peak Current Not Reached (DTC 26)
- Dr-18A: Injector No. 2 CTRL CKT & Peak Current Not Reached (DTC 27 & 26)
- Dr-19A: Injector No. 3 Peak Current Not Reached (DTC 26)
- Dr-20A: Injector No. 3 CTRL CKT & Peak Current Not Reached (DTC 27 & 26)
- Dr-21A: Purge Solenoid Circuit (DTC 31)
- Dr-22A: EGR Solenoid Circuit (DTC 32)
- Dr-23A: EGR System Failure (DTC 32)
- Dr-24A: A/C Clutch Relay Circuit (DTC 33)
- Dr-25A: A/C Clutch Relay Circuit (DTC 33)
- Dr-26A: Radiator Fan Relay Circuit (DTC 35)
- Dr-27A: Radiator Fan Relay Circuit (DTC 35)
- Dr-28A: No Auto Shutdown (ASD) Relay Voltage Sensed At SBEC (DTC 42)
- Dr-29A: Ignition Coil No. 1 Primary Circuit (DTC 43)
- Dr-30A: Ignition Coil No. 2 Primary Circuit (DTC 43)
- Dr-31A: Ignition Coil No. 3 Primary Circuit (DTC 43)
- Dr-32A: SBEC Failure EMR Mileage 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 Temperature 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 Motor Operation
- Dr-38B: Checking Idle Motor Operation
- Dr-38C: Checking Idle Motor Operation
- Dr-38D: Checking Idle Motor Operation
- Dr-38E: Checking Idle Motor Operation
- Dr-39A: Checking Park/Neutral Switch Input
- Dr-40A: Checking SBEC Grounds & Power Circuits
- Dr-41A: Checking EGR Operation, Federal Emissions
- Dr-42A: Checking Engine Vacuum
- Dr-43A: Checking Minimum Idle Airflow
- Dr-44A: Checking Knock Sensor Circuit
- Dr-45A: Performing No Fault Code Mechanical Test
- Dr-46A: Intermittent Test For Solenoids & Relays
- Dr-47A: Intermittent Test For Voltage Sensors
- Dr-47B: Intermittent Test For Slow Change Or No Change In Map Sensor
- Dr-48A: Intermittent Test For Automatic Idle Speed (AIS) Motor Circuits
- Dr-49A: Intermittent Test For Fuel Injectors
- Verification Procedures VER-1 To VER-3