Section 34 (Cruise Control Systems)
WARNING: This page is about a different car, the 2002 Mitsubishi Eclipse. However, it is still accessible from the selected car via links, so may be relevant.
- Description & Operation
- Adjustments
- Trouble Shooting
- Auto-Cruise Control System Diagnosis
- Diagnostic Trouble Code Definitions
- Diagnostic Tests
- DTC 11: Auto-Cruise Vacuum Pump Drive System
- Circuit Operation
- DTC Set Conditions
- Troubleshooting Hints
- Diagnosis
- Notes
- STEP 1. Check the output circuit voltage at auto-cruise control-ECU connector C-20 by backprobing.
- STEP 2. Check auto-cruise control-ECU connector C-20 and intermediate connector C-94.
- STEP 3. Check auto-cruise control vacuum pump connector A-01.
- STEP 4. Check the auto-cruise vacuum pump.
- STEP 5. Check the harness wire between auto-cruise control vacuum pump connector A-01 and auto-cruise control-ECU connector C-20.
- DTC 12: Vehicle Speed Signal System (M/T)
- DTC 12: Vehicle Speed Signal System (A/T)
- DTC 14: Stoplight Switch System
- Circuit Operation
- DTC Set Conditions
- Troubleshooting Hints
- Diagnosis
- Notes
- STEP 1. Check the output circuit voltage at stoplight switch connector C-03 by backprobing.
- STEP 2. Check stoplight switch connector C-03.
- STEP 3. Check the output circuit voltage at stoplight switch connector C-03 by backprobing.
- STEP 4. Check stoplight switch connector C-03.
- STEP 5. Check the stoplight switch.
- STEP 6. Check the output circuit voltage at auto-cruise control vacuum pump connector A-01 by backprobing.
- STEP 7. Check auto-cruise control vacuum pump connector A-01 and intermediate connector C-06.
- STEP 8. Check the output circuit voltage at auto-cruise control-ECU connector C-20 by backprobing.
- STEP 9. Check auto-cruise control-ECU connector C-20 and intermediate connector C-94.
- STEP 10. Check auto-cruise control vacuum pump connector A-01.
- STEP 11. Check the auto-cruise vacuum pump.
- STEP 12. Check the harness wire between auto-cruise control vacuum pump connector A-01 and auto-cruise control-ECU connector C-20
- STEP 13. Check the output circuit voltage at auto-cruise control-ECU connector C-20 by backprobing.
- STEP 14. Check intermediate connector C-06.
- STEP 15. Check auto-cruise control-ECU connector C-20.
- DTC 15: Auto-Cruise Control Switch System
- Circuit Operation
- DTC Set Conditions
- Troubleshooting Hints
- Diagnosis
- Notes
- STEP 1. Check the 12-Volt supply circuit voltage at auto-cruise control switch connector C-82.
- STEP 2. Check auto-cruise control switch connector C-82.
- STEP 3. Check the clock spring.
- STEP 4. Check clock spring connector C-84.
- STEP 5. Check the output circuit voltage at auto-cruise control switch connector C-82 by backprobing.
- STEP 6. Check auto-cruise control switch connector C-82.
- STEP 7. Check the auto-cruise control switch.
- STEP 8. Check the output circuit voltage at auto-cruise control-ECU connector C-20 by backprobing.
- STEP 9. Check auto-cruise control-ECU connector C-20.
- STEP 10. Check the clock spring.
- STEP 11. Check auto-cruise control switch connector C-82, clock spring connector C-84.
- STEP 12. Check the harness wire between auto-cruise control switch connector C-82 and auto-cruise control-ECU connector C-20.
- DTC 16: Auto-Cruise Control Ecu
- DTC 17: Throttle Position Sensor System
- Circuit Operation
- DTC Set Conditions
- Troubleshooting Hints
- Diagnosis
- Notes
- STEP 1. Check the throttle position sensor.
- STEP 2. Check the output circuit voltage at auto-cruise control-ECU connector C-20 by backprobing.
- STEP 3. Check auto-cruise control-ECU connector C-20.
- STEP 4. Check the harness wire between throttle position sensor connector B-07 and auto-cruise control-ECU connector C-20.
- DTC 11: Auto-Cruise Vacuum Pump Drive System
- System Tests
- Notes
- Inspection Procedure 1: Communication With Scan Tool MB991502 Is Not Possible (Communication With The Auto-Cruise Control-Ecu Only Is Not Possible)
- Circuit Operation
- Technical Description (Comment)
- Troubleshooting Hints
- Diagnosis
- Notes
- STEP 1. Check the output circuit voltage at auto-cruise control-ECU connector C-20 by backprobing.
- STEP 2. Check auto-cruise control-ECU connector C-20.
- STEP 3. Check junction block connector C-108 and C-111.
- STEP 4. Check the harness wire between ignition switch and auto-cruise control-ECU connector C-20.
- STEP 5. Check the ground circuit voltage at auto-cruise control-ECU connector C-20 by backprobing.
- STEP 6. Check auto-cruise control-ECU connector C-20.
- STEP 7. Check the harness wire between auto-cruise control-ECU connector C-20 and ground.
- STEP 8. Check the output circuit voltage at data link connector C-29.
- STEP 9. Check data link connector C-29.
- STEP 10. Check the output circuit voltage at auto-cruise control-ECU connector C-20 by backprobing.
- STEP 11. Check the harness wire between auto-cruise control-ECU connector C-20 and data link connector C-29.
- STEP 12. Check auto-cruise control-ECU connector C-20.
- Inspection Procedure 2: When The Brake Pedal Is Depressed, Auto-Cruise Control Is Not Cancelled
- Circuit Operation
- Technical Description (Comment)
- Troubleshooting Hints
- Diagnosis
- Notes
- STEP 1. Check if the stoplight illuminates.
- STEP 2. Check the 12-Volt supply circuit voltage at stoplight switch connector C-03.
- STEP 3. Check stoplight switch connector C-03.
- STEP 4. Check the harness wire between dedicated fuse No.5 and stoplight switch connector C-03.
- STEP 5. Check the stoplight switch.
- STEP 6. Check stoplight switch connector C-03 and intermediate connector C-89.
- STEP 7. Check the harness wire between stoplight switch connector C-03 and intermediate connector C-89.
- STEP 8. Check the output circuit voltage at auto-cruise control-ECU connector C-20 by backprobing.
- STEP 9. Check auto-cruise control-ECU connector C-20 and intermediate connector C-89.
- STEP 10. Check the harness wire between intermediate connector C-89 and auto-cruise control-ECU connector C- 20.
- Inspection Procedure 3: When The Clutch Pedal Is Depressed, Auto-Cruise Control Is Not Cancelled (M/T)
- Circuit Operation
- Technical Description (Comment)
- Troubleshooting Hints
- Diagnosis
- Notes
- STEP 1. Check the clutch pedal position switch.
- STEP 2. Check the output circuit voltage at auto-cruise control-ECU connector C-20 by backprobing.
- STEP 3. Check clutch pedal position switch connector C- 01, auto-cruise control-ECU connector C-20 and intermediate connector C-89.
- STEP 4. Check the harness wire between clutch pedal position switch connector C-01 and auto-cruise control-ECU connector C-20.
- STEP 5. Check the harness wire between clutch pedal position switch connector C-01 and ground wire.
- Inspection Procedure 4: When The Selector Lever Is Moved To "N" Range, Auto-Cruise Control Is Not Cancelled (A/T)
- Circuit Operation
- Technical Description (Comment)
- Troubleshooting Hints
- Diagnosis
- Notes
- STEP 1. Check the output circuit voltage at park/neutral position switch connector B-41 by backprobing.
- STEP 2. Check park/neutral position switch connector B-41.
- STEP 3. Check the circuit at the park/neutral position switch.
- STEP 4. Check the output circuit voltage at auto-cruise control-ECU connector C-20 by backprobing.
- STEP 5. Check auto-cruise control-ECU connector C-20.
- STEP 6. Check intermediate connector C-28.
- STEP 7. Check the harness wire between park/neutral position switch connector B-41 and auto-cruise control-ECU connector C-20.
- Inspection Procedure 5: When The Auto-Cruise Control "Cancel" Switch Is Set To On, Auto-Cruise Control Is Not Cancelled.
- Inspection Procedure 6: Auto-Cruise Control Cannot Be Set.
- Inspection Procedure 7: Hunting (Repeated Acceleration And Deceleration) Occurs At The Set Vehicle Speed (M/T)
- Inspection Procedure 8: Hunting (Repeated Acceleration And Deceleration) Occurs At The Set Vehicle Speed (A/T)
- Inspection Procedure 9: Auto-Cruise Control Indicator Light Inside Combination Meter Does Not Illuminate. (However, Auto-Cruise Control Is Normal.)
- Circuit Operation
- Technical Description (Comment)
- Troubleshooting Hints
- Diagnosis
- Notes
- STEP 1. Check the auto-cruise control indicator bulb.
- STEP 2. Check the output circuit voltage at auto-cruise control-ECU connector C-20 by backprobing.
- STEP 3. Check the output circuit voltage at junction block connector C-108 by backprobing.
- STEP 4. Check junction block connector C-108.
- STEP 5. Check combination meter connector C-41 and C- 43.
- STEP 6. Check the harness wire between combination meter connector C-41 and junction block connector C-108.
- STEP 7. Check the combination meter.
- STEP 8. Check the combination meter.
- STEP 9. Check the harness wire between combination meter connector C-41 and C-43.
- STEP 10. Check auto-cruise control-ECU connector C-20.
- STEP 11. Check the harness wire between combination meter connector C-41 and auto-cruise control-ECU connector C-20.
- Component Tests
- Pin Voltage Tests
- Removal & Installation
- Wiring Diagrams