Engine Controls - Tests W/Codes
- Introduction
- Model Identification
- Self-Diagnostic System
- DTC & Fault Codes/Messages
- DRB-II Test Functions
- Fuel Pressure Release
- Connector Identification
- Self-Diagnostic Tests
- Please Read This First *
- Test NS-1A - Checking For Faults & Spark
- Test NS-2A - Checking Fuel System
- Test NS-3A - Checking Spark Delivery
- Test NS-4A - Checking Fuel Delivery
- Test NS-4B - Checking Fuel Delivery
- Test NS-5A - Fuel Injector Control Circuit & Ignition Coil Control Circuit
- Test NS-6A - Auto Idle Speed (AIS) Motor Circuits (DTC 25)
- Test NS-7A - Checking Fuel Pump
- Test NS-7B - Checking Fuel Pump
- Test NS-8A - Repairing No Response Condition
- Test NS-9A - No Reference Signal During Cranking (DTC 11)
- Test NS-9B - No Reference Signal During Cranking
- Test NS-10A - Auto Shutdown (ASD) Relay Control CKT (DTC 42)
- Test NS-11A - Auto Shutdown (ASD) Relay Control CKT (DTC 42)
- Test NS-12A - Checking Auto Idle Speed (AIS) Motor Operation
- Test NS-12B - Checking Auto Idle Speed (AIS) Motor Operation
- Test NS-12C - Checking Auto Idle Speed (AIS) Motor Operation
- Test NS-12D - Checking Auto Idle Speed (AIS) Motor Operation
- Test NS-12E - Checking Auto Idle Speed (AIS) Motor Operation
- Test NS-13A - Correcting Start & Stall Condition
- Test Dr-1A - Checking System For Faults
- Test Dr-2A - Slow Change In Idle Map Signal (DTC 13)
- Test Dr-3A - No Change In Map Signal From Start To Run (DTC 13)
- Test Dr-4A - Map Voltage Too Low (DTC 14)
- Test Dr-5A - Map Voltage Too High (DTC 14)
- Test Dr-6A - No Vehicle Speed Signal (DTC 15)
- Test Dr-7A - Oxygen (O2) Sensor Signal Stays At Center (DTC 21)
- Test Dr-8A - Oxygen (O2) Sensor Signal Shorted To Voltage (DTC 21)
- Test Dr-9A - Oxygen (O2) Sensor Signal Stays Above Center (Rich) (DTC 52)
- Test Dr-10A - Oxygen (O2) Sensor Stays Below Center (Lean) (DTC 51)
- Test Dr-11A - Coolant Sensor Voltage Too High (DTC 22)
- Test Dr-12A - Coolant Sensor Voltage Too Low (DTC 22)
- Test Dr-13A - Charge Temperature Sensor Voltage High (DTC 23)
- Test Dr-14A - Charge Temperature Sensor Voltage Low (DTC 23)
- Test Dr-15A - Throttle Position Sensor (TPS) Voltage High (DTC 24)
- Test Dr-16A - Throttle Position Sensor (TPS) Voltage Low (DTC 24)
- Test Dr-17A - Auto Idle Speed (AIS) Motor Circuits (DTC 25)
- Test Dr-18A - Injector No. 1 Peak Current Not Reached (DTC 26)
- Test Dr-19A - Injector No. 2 Peak Current Not Reached (DTC 26)
- Test Dr-20A - Injector No. 3 Peak Current Not Reached (DTC 26)
- Test Dr-21A - Injector No. 1 Circuit & Peak Current Not Reached (DTC 26 & 27)
- Test Dr-22A - Injector No. 2 Circuit & Peak Current Not Reached (DTC 26 & 27)
- Test Dr-23A - Injector No. 3 Circuit & Peak Current Not Reached (DTC 26 & 27)
- Test Dr-24A - EGR Solenoid Circuit (DTC 32)
- Test Dr-25A - A/C Clutch Relay Circuit (DTC 33)
- Test Dr-25B - A/C Clutch Relay Circuit
- Test Dr-26A - Radiator Fan Relay Circuit (DTC 35)
- Test Dr-27A - No Auto Shutdown Relay Voltage Sense At Controller (DTC 42)
- Test Dr-28A - Ignition Coil No. 1 Primary Circuit (DTC 43)
- Test Dr-29A - Ignition Coil No. 2 Primary Circuit (DTC 43)
- Test Dr-30A - Ignition Coil No. 3 Primary Circuit (DTC 43)
- Test Dr-31A - Auto Shutdown (ASD) Relay Control CKT (DTC 42)
- Test Dr-32A - No Sync (Cam) At SBEC (DTC 54)
- Test Dr-33A - Controller Failure EEPROM Write Denied (DTC 63)
- Test Dr-34A - Intermittent Test For Sensor Voltage
- Test Dr-34B - Intermittent Test For Slow Change Or No Change In Map
- Test Dr-35A - Intermittent Test For Automatic Idle Speed (AIS) Motor Circuits
- Test Dr-36A - Intermittent Injector Control Fault
- Test Dr-37A - Intermittent Test For Relays & Solenoids
- Test Dr-38A - Intermittent Ignition Coil Control Circuit Fault
- No-Fault Codes
- Test NF-1A - No Fault Code Test Menu
- Test NF-2A - Checking Secondary Ignition & Timing
- Test NF-3A - Checking Fuel Pressure
- Test NF-3B - Checking Fuel Pressure
- Test NF-4A - Checking Coolant & Throttle Position Sensor Calibrations
- Test NF-5A - Checking Map Sensor Calibration
- Test NF-6A - Checking Oxygen (O2) Sensor Switching
- Test NF-6B - Checking Oxygen (O2) Sensor Switching (Locked Lean)
- Test NF-7A - Checking Auto Idle Speed (AIS) Motor Operation
- Test NF-7B - Checking Auto Idle Speed (AIS) Motor Operation
- Test NF-8A - Checking Park/Neutral Safety Switch
- Test NF-9A - Checking Engine Controller Grounds & Power CKTS
- Test NF-10A - Checking EGR Valve Operation
- Test NF-11A - Checking Engine Vacuum
- Test NF-12A - Checking Minimum Idle Airflow
- Test NF-13A - Performing No Fault Code Mechanical Test
- Verification Tests
- Wiring Diagrams