2.5L TBI Tests W/Codes
- Testing & Diagnosis
- Diagnostic Procedures
- On-Board Diagnosis
- Entering On-Board Diagnostics
- Notes
- Using DRB-II
- DRB-II Switch Test Mode
- DRB-II Read Input States
- DRB-II Read Output States
- DRB-II Actuate Solenoids & Relays
- DRB-II Actuate Outputs
- DRB-II Read Sensor Voltages
- DRB-II Read Sensor Values
- DRB-II Set Engine RPM
- DRB-II Minimum Airflow Speed
- DRB-II Emissions EMR Tests
- DRB-II Read Module Information
- DRB-II Problems & Error Messages
- Clearing Codes
- Emission Maintenance Reminder (EMR) Light Reset Procedure
- Emission Maintenance Reminder (EMR) Mileage Transfer
- Entering On-Board Diagnostics
- DTC Identification
- No Start Tests
- No Start Test Information
- NS1 - Spark At Plugs & Coil, & Fuel At Throttle Body
- NS2 - Fuel From Injector & Fuel Control Faults
- NS3 - SMEC, Wet Plugs & Engine Timing
- NS4 - Ignition Coil Driver, Open Circuits & Defective SMEC
- NS5 - Power Feed To Coil Primary, Primary Control CKTS & Coil
- NS6 - Fuel Pressure, TPS, Fuel Pump & Circuits
- NS7 - Fuel Injector Driver CKTS (Z1 & Y11) & Fuel Injector
- NS8 - Injector Interface Fault & Control Circuit (K16)
- NS9 - Flooding Fuel Injector, Control CKS & Defective Pressure Regulator
- NS10 - Checking System For Faults
- NS11 - System Power & Ground, Shorted Map, Bad SMEC & Defective Distributor Pick-Up
- NS12 - Distributor Pick-Up & Connecting Circuits
- NS13 - ASD Relay Fault & Pull-In Coil Circuits (K14 & K19)
- NS14 - Power Circuit (K14) To Pull-In Coil & ASD Relay
- NS15 - Power Feed CKTS (J2 & Z1) To ASD Relay & Bad ASD Relay
- NSVER - No Start Verification
- DRIVEABILITY Tests
- DRIVEABILITY Test Information
- Dr1 - Checking System For Faults
- Dr2 - Checking Output Circuits Of SMEC
- Dr3 - Intermittent Test For Solenoids & Relays
- Dr4 - Intermittent Test For Map Sensor Signal
- Dr5 - Intermittent Test For Sensor Voltages
- Dr6 - Intermittent Test For Injectors & AIS Motor
- Dr7 - Checking For Fault Message "Map Pneumatic Signal"
- Dr8 - Checking For Fault Message "Map Pneumatic Change"
- Dr9 - Checking For Fault Message "Map Voltage Low"
- Dr10 - Checking For Fault Message "Map Voltage Too High"
- Dr11 - Checking For Fault Message "Vehicle Speed Signal"
- DR12 - CHECKING FOR FAULT MESSAGE "OXYGEN sensor SIGNAL"
- Dr13 - Checking For Fault Message "Coolant Voltage Low"
- Dr14 - Checking For Fault Message "Coolant Voltage High"
- Dr15 - Checking For Fault Message "T/B Temp Voltage Low"
- Dr16 - Checking For Fault Message "T/B Temp Voltage Hi"
- Dr17 - Checking For Fault Message "TPS Voltage Low"
- Dr18 - Checking For Fault Message "TPS Voltage High"
- Dr19 - Checking For Fault Message "A.I.S. Motor Circuits"
- Dr20 - Checking For Fault Message "Purge Solenoid CKT"
- Dr21 - Checking For Fault Message "EGR Solenoid Circuit"
- Dr22 - Checking For Fault Message "EGR System Failure"
- Dr23 - Checking For Fault Message "A/C Clutch Relay CKT"
- Dr24 - Checking A/C Fan Relays
- Dr25 - Checking For Fault Message "Radiator Fan Relay"
- Dr26 - Checking For Fault Message "PTU Solenoid Circuit"
- Dr27 - Checking For Fault Message "FJ2 Voltage Sense"
- Dr28 - "EMR Mileage ACCUM" & "EEPROM Write Denied"
- Dr29 - Checking Sensor Calibrations (Begin With Cold Engine)
- Dr30 - Checking Sensor Calibrations (Begin With Warm Engine)
- Dr31 - Checking EGR Valve Operation (Warm)
- Dr32 - Checking Secondary Ignition System
- Dr33 - Checking Basic Timing & Fuel System
- Dr34 - Checking Oxygen Sensor Operation
- Dr35 - Checking Throttle Body Minimum Airflow
- Other Possible Causes Of DRIVEABILITY Related Problems
- Verification Tests
- Speed Control Tests
- Charging System Tests
- Wiring Diagrams
- Removal & Installation