2.5L Systems/Tests W/Codes

• Testing & Diagnosis
  • Preliminary Checks
  • System Diagnosis
  • Ecu Electrical Connector Terminal Identification
  • Ecu/TCU Checkout Procedure
  • Diagnosing With DRB-II & Jeep/Eagle Adapter
    • Notes
    • Vehicles Tested
    • How To Use
    • Select Vehicle
    • Main Menu
    • System Tests
    • State Displays
    • Adjustments
  • Clearing Codes
• Diagnostic Trouble Code (DTC) Identification
  • Notes
  • Component Testing
    • Notes
    • A/C Clutch Relay
    • B+ (Power) Latch, Fuel Pump & Ignition Relays
  • Relay Terminal Identification
    • Notes
    • Closed Throttle Switch
  • ISA/ISC Connector Terminal Identification
    • Notes
    • Coolant Temperature Sensor (CTS)
    • Crankshaft Position/Engine Speed Sensor
    • EGR Solenoid
    • ISA/ISC Motor
    • Manifold Absolute Pressure (MAP) Sensor
    • Manifold Air Temperature (MAT) Sensor
    • Oxygen Sensor Heating Element
    • Starter Relay
    • Throttle Position Sensor (TPS)
  • Connector Identification
• Diagnostic Trouble Codes (DTC)
  • Fault 1000 - Ignition Line Low
  • Fault 1001 - Ignition Line High
  • Fault 1004 - Battery Voltage Low
  • Fault 1005 - Sensor Ground Line Out Of Limits
  • Fault 1010 - Diagnostic Enable Line Low
  • Fault 1011 - Diagnostic Enable Line High
  • Fault 1012 - Ignition Control Module Line Low
  • Fault 1013 - Ignition Control Module Line High
  • Fault 1014 - Fuel Pump Line Low
  • Fault 1015 - Fuel Pump Line High
  • Fault 1016 - Low Mat Sensor Line
  • Fault 1017 - High Mat Sensor Line
  • Fault 1018 - No Serial Data From Ecu
  • Fault 1021 - Other Problems
  • Fault 1022 - Start Line Low
  • Fault 1024 - Ecu Does Not See Start Signal
  • Fault 1027 - Ecu Sees Wide Open Throttle (Wot)
  • Fault 1028 - No Wot Seen, Ecu Does Not See Wide Open Throttle (Wot)
  • Fault 1031 - Ecu Sees Closed Throttle
  • Fault 1032 - Ecu Does Not See Closed Throttle
  • Fault 1033 - Low Idle Speed Increase Line
  • Fault 1034 - High Idle Speed Increase Line
  • Fault 1035 - Idle Speed Decrease Line Low
  • Fault 1036 - Idle Speed Decrease Line High
  • Fault 1037 - TPS Reads Low
  • Fault 1038 - Park/Neutral Line High
  • Fault 1040 - Low B+ Line
  • Fault 1041 - High B+ Line
  • Fault 1042 - No Latched B+ .5 Volt Drop
  • Fault 1047 - Wrong Ecu
  • Fault 1049 - Automatic Vehicle Equipped With Manual Ecu
  • Fault 1048 - Manual Vehicle Equipped With Automatic Ecu
  • Fault 1050 - Idle Speed Less Than 500 Rpm
  • Fault 1051 - Idle Speed Greater Than 2000 Rpm
  • Fault 1052 - Map Sensor Out Of Limits
  • Fault 1053 - Change In Map Reading Out Of Limits
  • Fault 1054 - Coolant Temperature Sensor Line Low
  • Fault 1055 - Coolant Temperature Sensor Line High
  • Fault 1056 - Inactive Coolant Temperature Sensor
  • Fault 1057 - Knock Circuit Shorted
  • Fault 1058 - Knock Value Out Of Limits
  • Fault 1059 - Low A/C Request Line
  • Fault 1060 - High A/C Request Line
  • Fault 1061 - Low A/C Select Line
  • Fault 1062 - High A/C Select Line
  • Fault 1063 - Low A/C Clutch Line
  • Fault 1064 - A/C Clutch Line High
  • Fault 1065 - Rich O2 Sensor Reading
  • Fault 1066 - Lean O2 Sensor Reading
  • Fault 1067 - Low Latch Relay Line
  • Fault 1068 - High Latch Relay Line
  • Fault 1069 - No Tach
  • Fault 1070 - Low A/C Cut-Out Line
  • Fault 1071 - High A/C Cut-Out Line
  • Fault 1073 - No Ess Signal
  • Fault 1200 - Ecu Defective
  • Fault 1202 - INJ Shorted To Ground
  • Fault 1209 - INJ Open
  • Fault 1218 - No Ecu Voltage From Power Latch Relay
  • Fault 1219 - No Voltage At Ecu From Shift Light
  • Fault 1220 - No EGR Solenoid Voltage At Ecu
  • Fault 1221 - No INJ Voltage
  • Fault 1222 - Ignition Control Module Not Grounded
  • Fault 1223 - No Ecu Tests Run
    • Notes
    • ECU Ignition On Tests
• Wiring Diagrams