Engine Controls - Tests W/Codes - 2.5L

• Introduction
• Model Identification
• Self-Diagnostic System
  • Notes
  • System Diagnostics
    • Notes
    • Hard Failures
    • Intermittent Failures
  • Service Precautions
  • Visual Inspection
  • Diagnostic Procedure
  • Entering On-Board Diagnostics
    • Notes
    • CHECK ENGINE Light Diagnostic Mode
    • DRB-II Diagnostic Mode
  • Clearing Fault Codes
  • Summary
• DTC & Fault Codes/Messages
  • FAULT CODES/MESSAGES (Note: For DTC table, see TEST FC-1A under "Testing.")
• DRB-II Test Functions
  • Notes
  • Fuel/IGN Menu
    • Notes
    • SYSTEM TESTS Mode
    • READ FAULTS Mode
    • STATE DISPLAY Mode
    • ACTUATOR TESTS Mode
    • ADJUSTMENTS Mode
  • Adjustments Menu
    • ERASE FAULTS Mode
    • RESET MEMORY Mode
    • EMR MEMORY CHECK Mode
  • Fuel/IGN State Menu
    • MODULE INFO Mode
    • SENSORS Mode
    • INPUTS/OUTPUTS Mode
    • MONITORS Mode
    • CUSTOM DISPLAYS Mode
  • Monitors Menu
    • FUEL CONTROL Mode
    • ADVANCE Mode
    • RPM Mode
    • ADAPTIVE MEM Mode
    • NO START Mode
    • INTERROGATOR Mode
    • SEC INDICATORS Mode
  • Reset Memory Menu
    • ADAPTIVE FUEL Mode
    • AIS COUNTER Mode
    • MINIMUM TPS Mode
    • ALL VALUES Mode
  • DRB-II Volt/Ohmmeter
    • Notes
    • DRB-II Continuity Meter Mode
  • DRB-II Problems & Error Messages
    • Blank Message Screen
    • NO RESPONSE Message
    • Other Failure Messages
  • Emission Maintenance Reminder (EMR) Mileage Transfer
• Fuel Pressure Release
  • Relieving Fuel Pressure
• 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
  • Verification Test VER-1
  • Verification Test VER-2
  • Verification Test VER-3
• Wiring Diagrams