Workshop Manual

6E–1
6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
AXIOM
ENGINE
6VE1 3.5L ENGINE
DRIVEABILITY AND EMISSIONS
CONTENTS
Specifications 6E–6. . . . . . . . . . . . . . . . . . . . . . . . . . .
Tightening Specifications 6E–6. . . . . . . . . . . . . . .
Diagrams and Schematics 6E–7. . . . . . . . . . . . . . . .
PCM Wiring Diagram (1 of 7) 6E–7. . . . . . . . . . . .
PCM Wiring Diagram (2 of 7) 6E–8. . . . . . . . . . . .
PCM Wiring Diagram (3 of 7) 6E–9. . . . . . . . . . . .
PCM Wiring Diagram (4 of 7) 6E–10. . . . . . . . . . . .
PCM Wiring Diagram (5 of 7) 6E–11. . . . . . . . . . . .
PCM Wiring Diagram (6 of 7) 6E–12. . . . . . . . . . . .
PCM Wiring Diagram (7 of 7) 6E–13. . . . . . . . . . . .
PCM Pinouts 6E–14. . . . . . . . . . . . . . . . . . . . . . . . . . .
PCM Pinout Table, 80-Way Blue Connector
– Row “F1 ∼ 20” 6E–14. . . . . . . . . . . . . . . . . . . . . .
PCM Pinout Table, 80-Way Blue Connector
– Row “F20 ∼ 40” 6E–15. . . . . . . . . . . . . . . . . . . . .
PCM Pinout Table, 80-Way Blue Connector
– Row “F41 ∼ 60” 6E–16. . . . . . . . . . . . . . . . . . . . .
PCM Pinout Table, 80-Way Blue Connector
– Row “F61 ∼ 80” 6E–17. . . . . . . . . . . . . . . . . . . . .
PCM Pinout Table, 80-Way Red Connector
– Row “S1 ∼ 20” 6E–19. . . . . . . . . . . . . . . . . . . . . .
PCM Pinout Table, 80-Way Red Connector
– Row “S21 ∼ 40” 6E–21. . . . . . . . . . . . . . . . . . . . .
PCM Pinout Table, 80-Way Red Connector
– Row “S41 ∼ 60” 6E–23. . . . . . . . . . . . . . . . . . . . .
PCM Pinout Table, 80-Way Red Connector
– Row “S61 ∼ 80” 6E–25. . . . . . . . . . . . . . . . . . . . .
Component Locators 6E–27. . . . . . . . . . . . . . . . . . .
Undercarriage Component Locator 6E–29. . . . . .
Fuse and Relay Panel (Underhood
Electrical Center) 6E–30. . . . . . . . . . . . . . . . . . . . .
Sensors and Miscellaneous Component
Locators 6E–31. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Diagnosis 6E–33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Strategy-Based Diagnostics 6E–33. . . . . . . . . . . . .
DTC Stored 6E–33. . . . . . . . . . . . . . . . . . . . . . . . . . .
No DTC 6E–33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
No Matching Symptom 6E–33. . . . . . . . . . . . . . . . .
Intermittents 6E–33. . . . . . . . . . . . . . . . . . . . . . . . . .
No Trouble Found 6E–33. . . . . . . . . . . . . . . . . . . . .
Verifying Vehicle Repair 6E–33. . . . . . . . . . . . . . . .
General Service Information 6E–33. . . . . . . . . . . . . .
OBD II Serviceablity Issues 6E–33. . . . . . . . . . . . .
Emissions Control Information Label 6E–34. . . . .
Visual / Physical Engine Compartment
Inspection 6E–34. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Basic Knowledge of Tools Required 6E–35. . . . . .
Serial Data Communications 6E–35. . . . . . . . . . . . . .
Class 2 Serial Data Communications 6E–35. . . . .
On-Board Diagnostic (OBD II) 6E–35. . . . . . . . . . . . .
On-Board Diagnostic Tests 6E–35. . . . . . . . . . . . .
Comprehensive Component Monitor
Diagnostic Operation 6E–35. . . . . . . . . . . . . . . . . .
System Status and Drive Cycle for
Satisfying Federal Inspection/Maintenance
(I/M 240) Regulations 6E–36. . . . . . . . . . . . . . . . . .
Common OBD II Terms 6E–36. . . . . . . . . . . . . . . . .
The Diagnostic Executive 6E–36. . . . . . . . . . . . . . .
DTC Types 6E–37. . . . . . . . . . . . . . . . . . . . . . . . . . .
Decimal/Binary/Hexadecimal Conversions 6E–39
Verifying Vehicle Repair 6E–39. . . . . . . . . . . . . . . .
Reading Diagnostic Trouble Codes Using
The Tech 2 Scan Tool 6E–39. . . . . . . . . . . . . . . . .
Tech 2 6E–40. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tech 2 Features 6E–41. . . . . . . . . . . . . . . . . . . . . . .
Getting Started 6E–41. . . . . . . . . . . . . . . . . . . . . . . .
Operating Procedure (For Example) 6E–42. . . . .
DTC Modes 6E–43. . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC Information Mode 6E–43. . . . . . . . . . . . . . . . .
Miscellaneous Test 6E–44. . . . . . . . . . . . . . . . . . . .
Lamps Test 6E–44. . . . . . . . . . . . . . . . . . . . . . . . . . .
Relays Test 6E–46. . . . . . . . . . . . . . . . . . . . . . . . . . .
EVAP Test 6E–47. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuel System Test 6E–48. . . . . . . . . . . . . . . . . . . . . .
Instruments Test 6E–50. . . . . . . . . . . . . . . . . . . . . . .
EGR Control Test 6E–52. . . . . . . . . . . . . . . . . . . . . .
Variable Intake Manifold Solenoid Test 6E–52. . .
Injector Balance Test 6E–54. . . . . . . . . . . . . . . . . . .
Plotting Snapshot Graph 6E–54. . . . . . . . . . . . . . . . .
Plotting Graph Flow Chart (Plotting graph
after obtaining vehicle information) 6E–55. . . . . .
Flow Chart for Snapshot Replay (Plotting
Graph) 6E–56. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Primary System-Based Diagnostic 6E–57. . . . . . . . .
Primary System-Based Diagnostic 6E–57. . . . . . .
Fuel Control Heated Oxygen Sensor 6E–57. . . . .
HO2S Heater 6E–57. . . . . . . . . . . . . . . . . . . . . . . . .
Catalyst Monitor Heated Oxygen Sensors
and Diagnostic Operation 6E–57. . . . . . . . . . . . . .
Misfire Monitor Diagnostic Operation 6E–58. . . . . . .
Misfire Monitor Diagnostic Operation 6E–58. . . . .
Misfire Counters 6E–58. . . . . . . . . . . . . . . . . . . . . . .
SECTION