Cruise Control Systems
- Description
- Special Tools
- Diagnosis
- Troubleshooting
- Diagnostic Trouble Code Procedures
- Notes
- DTC 11: Auto-CURISE Vacuum Pump Drive System
- Circuit Diagram
- Circuit Operation
- DTC Set Conditions
- Troubleshooting Hints
- Diagnosis
- Step 1: Check The Output Circuit Voltage At Auto-Cruise Control-ECU Connector C-107 By Backprobing
- Step 2: Check Auto-Cruise Control-ECU Connector C-107 And Intermediate Connector C-108, C-111
- Step 3: Check Auto-Cruise Control Vacuum Pump Connector A-26
- Step 4: Check The Auto-Cruise Vacuum Pump
- Step 5: Check The Harness Wire Between Auto-Cruise Control Vacuum Pump Connector A-26 Terminal No. 2, 3, 4 And Auto-Cruise Control-ECU Connector C-107 Terminal No. 7, 8 And 16
- DTC 12: Vehicle Speed Signal System (M/T)
- DTC 12: Vehicle Speed Signal System (A/T)
- DTC 14: Auto-Cruise Vacuum Pump Power Supply System
- Circuit Diagram
- Circuit Operation
- DTC Set Conditions
- Troubleshooting Hints
- Diagnosis
- Step 1: Check The Output Circuit Voltage At Stoplight Switch Connector C-102 By Backprobing
- Step 2: Check Stoplight Switch Connector C-102
- Step 3: Check The Output Circuit Voltage At Stoplight Switch Connector C-102 By Backprobing
- Step 4: Check Stoplight Switch Connector C-102
- Step 5: Check The Stoplight Switch
- Step 6: Check The Output Circuit Voltage At Auto-Cruise Control Vacuum Pump Connector A-26 By Backprobing
- Step 7: Check Auto-Cruise Control Vacuum Pump Connector A-26 And Intermediate Connector C-102, C-111
- Step 8: Check The Output Circuit Voltage At Auto-Cruise Control-ECU Connector C-107 By Backprobing
- Step 9: Check Auto-Cruise Control-ECU Connector C-107 And Intermediate Connector C-107, C-111
- Step 10: Check Auto-Cruise Control Vacuum Pump Connector A-26
- Step 11: Check The Auto-Cruise Vacuum Pump
- Step 12: Check The Harness Wire Between Auto-Cruise Control Vacuum Pump Connector A-26 Terminal No. 2, 3, 4 And Auto-Cruise Control-ECU Connector C-107 Terminal No. 7, 8, And 16
- Step 13: Check The Output Circuit Voltage At Auto-Cruise Control-ECU Connector C-107 By Backprobing
- Step 14: Check Intermediate Connector C-108
- Step 15: Check Auto-Cruise Control-ECU Connector C-107
- DTC 15: Auto-Cruise Control Switch System
- Circuit Diagram
- Circuit Operation
- DTC Set Conditions
- Troubleshooting Hints
- Diagnosis
- Step 1: Check The 12 Volt Supply Circuit Voltage At Auto-Cruise Control Switch Connector C-202
- Step 2: Check Auto-Cruise Control Switch Connector C-202
- Step 3: Check The Clock Spring
- Step 4: Check Clock Spring Connector C-204
- Step 5: Check The Output Circuit Voltage At Auto-Cruise Control Switch Connector C-202 By Backprobing
- Step 6: Check Auto-Cruise Control Switch Connector C-202
- Step 7: Check The Auto-Cruise Control Switch
- Step 8: Check The Output Circuit Voltage At Auto-Cruise Control-ECU Connector C-107 By Backprobing
- Step 9: Check Auto-Cruise Control-ECU Connector C-107
- Step 10: Check The Clock Spring
- Step 11: Check Auto-Cruise Control Switch Connector C-202, Clock Spring Connector C-204
- Step 12: Check The Harness Wire Between Auto-Cruise Control Switch Connector C-204 & Auto-Cruise Control-ECU Connector C-107
- DTC 16: Auto-Cruise Control-Ecu
- DTC 17: Throttle Position Sensor System
- Circuit Diagram
- Circuit Operation
- DTC Set Conditions
- Troubleshooting Hints
- Diagnosis
- Step 1: Check The Throttle Position Sensor
- Step 2: Check The Output Circuit Voltage At Auto-Cruise Control-ECU Connector C-107 By Backprobing
- Step 3: Check Auto-Cruise Control-ECU Connector C-107
- Step 4: Check The Harness Wire Between Throttle Position Sensor Connector B-03 & Auto-Cruise Control-ECU Connector C-107
- Symptom Procedures
- Check Auto-Cruise Control-Ecu Terminals
- Data List Reference Table
- Symptom List
- Inspection Procedure 1: Communication With Scan Tool MB991502 Is Not Possible (Communication With The Auto-Cruise Control-Ecu Only Is Not Possible)
- Circuit Diagram
- Circuit Operation
- Technical Description (Comment)
- Troubleshooting Hints
- Diagnosis
- Step 1: Check The Output Circuit Voltage At Auto-Cruise Control-ECU Connector C-107 By Backprobing
- Step 2: Check Auto-Cruise Control-ECU Connector C-107
- Step 3: Check Junction Block Connector C-211, C-214 And Intermediate Harness Connector C-108
- Step 4: Check The Harness Wire Between Ignition Switch And Auto-Cruise Control-ECU Connector C-107 Terminal No. 6
- Step 5: Check The Ground Circuit Voltage At Auto-Cruise Control-ECU Connector C-107 By Backprobing
- Step 6: Check Auto-Cruise Control-ECU Connector C-107
- Step 7: Check The Harness Wire Between Auto-Cruise Control-ECU Connector C-107 Terminal No. 14 And Ground
- Step 8: Check The Output Circuit Voltage At Data Link Connector C-14
- Step 9: Check Data Link Connector C-14
- Step 10: Check The Intermediate Harness Connector C-108
- Step 11: Check The Output Circuit Voltage At Auto-Cruise Control-ECU Connector C-107 By Backprobing
- Step 12: Check The Harness Wire Between Auto-Cruise Control-ECU Connector C-107 Terminal No. 17 And Data Link Connector C-14 Terminal No. 13
- Step 13: Check Auto-Cruise Control-ECU Connector C-107
- Step 14: Check The Intermediate Harness Connector C-108
- Inspection Procedure 2: When The Brake Pedal Is Depressed, Auto-Cruise Control Is Not Cancelled
- Circuit Diagram
- Circuit Operation
- Technical Description (Comment)
- Troubleshooting Hints
- Diagnosis
- Step 1: Check If The Stoplight Illuminates
- Step 2: Check The 12-Volt Supply Circuit Voltage At Stoplight Switch Connector C-102
- Step 3: Check Stoplight Switch Connector C-102
- Step 4: Check Intermediate Connector C-129
- Step 5: Check The Harness Wire Between Dedicated Fuse No. 5 And Stoplight Switch Connector C-102 Terminal No. 2
- Step 6: Check The Stoplight Switch
- Step 7: Check Stoplight Switch Connector C-102 & Intermediate Connector C-129
- Step 8: Check The Harness Wire Between Stoplight Switch Connector C-102 Terminal No. 2 & Intermediate Connector C-129 Terminal No. 13
- Step 9: Check The Output Circuit Voltage At Auto-Cruise Control-ECU Connector C-107 By Backprobing
- Step 10: Check Auto-Cruise Control-ECU Connector C-107 & Joint Connector C-105 & Intermediate Connector C-124
- Step 11: Check The Harness Wire Between Stoplight Switch Connector C-102 Terminal No. 1 & Auto-Cruise Control-ECU Connector C-107 Terminal No. 14
- Inspection Procedure 3: When The Clutch Is Depressed, Auto-Cruise Control Is Not Cancelled (M/T)
- Circuit Diagram
- Circuit Operation
- Technical Description (Comment)
- Troubleshooting Hints
- Diagnosis
- Step 1: Check The Clutch Pedal Position Switch
- Step 2: Check The Output Circuit Voltage At Auto-Cruise Control-ECU Connector C-107
- Step 3: Check Clutch Pedal Position Switch Connector C-130 & Auto-Cruise Control-ECU Connector C-107 & Intermediate Connector C-108 & C-129
- Step 4: Check The Harness Wire Between Clutch Pedal Position Switch Connector C-130 & Auto-Cruise Control-ECU Connector C-107
- Step 5: Check The Harness Wire Between Clutch Pedal Position Switch Connector C-130 & Ground Wire
- Inspection Procedure 4: When The Selector Lever Is Moved To "N" Range, Auto-Cruise Control Is Not Cancelled (A/T)
- Circuit Diagram
- Circuit Operation
- Technical Description (Comment)
- Troubleshooting Hints
- Diagnosis
- Step 1: Check The Output Circuit Voltage At Park/Neutral Position Switch Connector B-16 By Backprobing
- Step 2: Check Park/Neutral Position Switch Connector B-6
- 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-107 By Backprobing
- Step 5: Check Auto-Cruise Control-ECU Connector C-107
- Step 6: Check Intermediate Connector C-105
- Step 7: Check The Harness Wire Between Park/Neutral Position Switch Connector B-16 Terminal No. 10 & Auto-Cruise Control-ECU Connector C-107 Terminal No. 13
- Inspection Procedure 5: When The Auto-Cruise Control "Cancel" Switch Is Set To "On", Auto-Cruise Control Is Not Cancelled
- Inspection Procedure 6: When The Auto-Cruise Control Cannot Be Set
- Inspection Procedure 7: Hunting (Repeated Acceleration And Deceleration) Occurs At The Set Vehicle Speed (M/T)
- Inspection Procedure 7: Hunting (Repeated Acceleration And Deceleration) Occurs At The Set Vehicle Speed (A/T)
- Inspection Procedure 8: Auto-Cruise Control Indicator Light Inside Combination Meter Does Not Illuminate (However, Auto-Cruise Control Is Normal)
- Circuit Diagram
- Circuit Operation
- Technical Description (Comment)
- Troubleshooting Hints
- Diagnosis
- Step 1: Check The Auto-Cruise Control Indicator Bulb
- Step 2: Check The Output Circuit Voltage At Auto-Cruise Control-ECU Connector C-107 By Backprobing
- Step 3: Check The Output Circuit Voltage At Junction Block Connector C-214 By Backprobing
- Step 4: Check Junction Block Connector C-211
- Step 5: Check Combination Meter Connector C-01 And C-02 And Intermediate Connector C-21
- Step 6: Check The Harness Wire Between Combination Meter Connector C-01 Terminal No. 19 And Junction Block Connector C-214 Terminal No. 25
- Step 7: Check Combination Meter
- Step 8: Check Auto-Cruise Control-ECU Connector C-107 And Intermediate Connector C-108
- Step 9: Check The Harness Wire Between Combination Meter Connector C-02 Terminal No. 33 And Auto-Cruise Control-ECU connector C-107 terminal No. 15
- On-Vehicle Service
- Removal & Installation