Engine Controls - Tests W/Codes - 2.5L
- Introduction
- Model Identification
- Self-Diagnostic System
- DTC & Fault Codes/Messages
- DRB-II Test Functions
- Fuel Pressure Release
- Connector Identification
- Notes
- Automatic Idle Speed (AIS) Motor Connector
- Coolant Temperature Sensor Connector
- Distance Sensor Connector
- Distributor Pick-Up Connector
- EGR Solenoid Connector
- Engine Diagnostic Connector
- Fuel Injector Connector
- Fuel Pump Harness Connector
- Ignition Coil Connector
- Manifold Absolute Pressure (Map) Sensor Connector
- Oil Pressure Switch Connector
- Oxygen (O2) Sensor Connector
- Purge Solenoid Connector
- Relay Connector (As Body)
- Relay Connector (An Body)
- Single Board Engine Controller (SBEC) Connector
- Throttle Body Charge Temperature Sensor Connector (An Body)
- Throttle Position Sensor Connector
- Torque Converter Lock-Up Solenoid Connector
- Self-Diagnostic Tests
- Notes
- Test NS-1A - Checking For Faults & Spark
- Test NS-2A - Checking Fuel System
- Test NS-3A - Inspecting Mechanical System
- Test NS-4A - Checking Fuel Delivery
- Test NS-4B - Checking Fuel Delivery
- Test NS-4C - Checking Fuel Delivery
- Test NS-5A - Injector No. 1 Control Circuit (DTC 27)
- Test NS-6A - Auto Idle Speed (AIS) Motor Circuits (DTC 25)
- Test NS-7A - Checking Fuel Pump (As Body)
- Test NS-7B - Checking Fuel Pump (As Body)
- Test NS-7C - Checking Fuel Pump (An Body)
- Test NS-7D - Checking Fuel Pump (An Body)
- 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 Circuit (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 Idle Map Signal (DTC 13)
- Test Dr-4A - Map Sensor Voltage Too Low (DTC 14)
- Test Dr-5A - Map Sensor Voltage Too High (DTC 14)
- Test Dr-6A - No Vehicle Speed Signal (DTC 15)
- Test Dr-7A - O2 Sensor Signal Stays At Center (DTC 21)
- Test Dr-8A - O2 Sensor Shorted To Voltage (DTC 21)
- Test Dr-9A - O2 Sensor Signal Stays Above Center (DTC 52)
- Test Dr-10A - O2 Sensor Stays Below Center (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 Temp Sensor Voltage High (An Body) (DTC 23)
- Test Dr-14A - Charge Temp Sensor Voltage Low (An Body) (DTC 23)
- Test Dr-15A - TPS Voltage High (DTC 24)
- Test Dr-16A - TPS Voltage Low (DTC 24)
- Test Dr-17A - Auto Idle Speed (AIS) Motor Circuits (DTC 25)
- Test Dr-18A - Purge Solenoid Circuit (DTC 31)
- Test Dr-19A - EGR Solenoid Circuit (DTC 32)
- Test Dr-20A - EGR System Failure (As Body) (DTC 32)
- Test Dr-20B - EGR System Failure (An Body)
- Test Dr-24A - A/C Clutch Relay Circuit (An Body) (DTC 33)
- Test Dr-25A - A/C Clutch Relay Circuit (As Body) (DTC 33)
- Test Dr-26A - Radiator Fan Relay Circuit (DTC 35)
- Test Dr-27A - No Auto Shutdown (ASD) Relay Voltage Sense At SBEC (DTC 42)
- Test Dr-28A - Torque Converter Lock-Up Solenoid Circuit (DTC 37)
- Test Dr-30A - Injector Control Circuit (DTC 27)
- Test Dr-31A - Controller Failure EMR Miles Not Stored & Controller Failure EEPROM Write Denied (DTC 62 & 63)
- Test Dr-32A - Intermittent Test For Voltage Sensor
- Test Dr-32B - Intermittent Test For Slow Change Or No Change In Map
- Test Dr-33A - Intermittent Test For Automatic Idle Speed (AIS) Motor Circuits
- Test Dr-34A - Intermittent Test For Relays & Solenoids
- No-Fault Code Tests
- 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
- 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 Switch
- Test NF-9A - Checking Engine Controller Grounds & Power Circuits
- 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