Intelligent Cruise Control System

• Precautions
  • Precautions For Supplemental Restraint System (SRS) "Air Bag" And "Seat Belt Pre-TENSIONER"
  • Precautions For ICC System Service
  • Wiring Diagrams And Trouble Diagnosis
• Preparation
  • Special Service Tools
• Description
  • Outline
    • Notes
    • Vehicle-To-Vehicle Distance Control Mode
    • Conventional (Fixed Speed) Cruise Control Mode
    • Brake Assist (With Preview Function)
  • System Diagram
  • Components Description
  • Can Communication
    • Notes
    • CAN Communication Unit
  • Switch Operation
  • ICC System Display
• Action Test
  • ICC System Running Test
    • Vehicle-To-Vehicle Distance Control Mode
      • Set Checking
      • Check For Increase Of The Cruising Speed
      • Check For Decrease Of The Cruising Speed
      • Check For The Cancellation Of Vehicle-To-Vehicle Distance Control Mode (Normal Driving Condition) in The Following Cases:
      • Check For Restoring The Speed That Is Set By Vehicle-To-Vehicle Distance Control Mode Before Cancellation
      • Check For ON/OFF Switch
      • Check For ACCELERATE/RES, COAST/SET, CANCEL Switches
      • Check For DISTANCE Switch
    • Conventional (Fixed Speed) Cruise Control Mode
      • Set Checking
      • Check For Increase OF The Cruising Speed
      • Check For Decrease Of The Cruising Speed
      • Check For The Cancellation Of Conventional (Fixed Speed) Cruise Control Mode (Normal Driving Condition) In The Following Cases:
      • Check For Restoring The Speed That Is Set By Conventional (Fixed Speed) Cruise Control Mode Before ICC Cancellation
      • Check For ON/OFF Switch
      • Check For ACCELERATE/RES, COAST/SET, CANCEL Switches
• Laser Beam Aiming Adjustment
  • Outline
  • Preparation
  • Outline Of Adjustment Procedure
  • Setting The ICC Target Board
    • Notes
    • Adjusting Height Of The Target
    • Adjusting The Right-Left Position Of The Target
    • Setting The Target
  • Aiming Adjustment
    • Notes
    • Check After The Adjustment
• Electrical Units Location
  • Component Parts And Harness Connector Location
• Wiring Diagram
  • Schematic
  • Wiring Diagram - ICC
• Terminals And Reference Value
  • Terminals And Reference Value For ICC Unit
  • Terminals And Reference Value For ICC Radar Sensor
  • Terminals And Reference Value For ICC Warning Chime
• Trouble Diagnosis - General Description
  • Work Flow
  • Consult-II Function
    • Description
    • Work Support
      • Work Item
      • Laser Beam Adjust
      • Cause of Auto-Cancel
      • Display Item List
    • Self-Diagnostic Results
    • Data Monitor
      • Notes
      • Monitored Item
    • Active Test
      • Notes
      • ICC Buzzer 1
      • ICC Warning Lamp
      • Meter Lamp
      • Stop Lamp
      • Booster SOL/V 3
  • Self-Diagnostic Function
    • With CONSULT-II
    • Without CONSULT-II
      • Notes
      • Self-Diagnostic Erasing Method
    • Self-Diagnosis By CONSULT-II Will Not Run
      • Notes
      • Possible Irregular Condition
      • 1. Check CONSULT-II System
      • 2. Check Power Supply For ICC Unit
      • 3. Check Harness For Data Link Connector
      • 4. Self-Diagnosis Check
    • Self-Diagnosis By ICC System Display Will Not Run
      • Notes
      • Possible Irregular Condition
      • 1. Check ICC System Display
      • 2. Check ICC Steering Switch
      • 3. Check Harness Between ICC Unit And ICC Steering Switch
      • 4. Check Self-Diagnosis
      • 5. Check Power Supply For ICC Unit
      • 6. Check Connector For ICC Unit
      • 7. Check CAN Communication
• Trouble Diagnosis For Self-Diagnostic Items
  • Diagnostic Trouble Code (DTC) Chart
  • DTC 11: Control Unit
    • 1. Diagnostic Check
  • DTC 20: Can Comm Circuit
    • 1. Check CAN Communication
  • DTC 31, 34: Power Supply Cir 1, Power Supply Cir 2
    • 1. Check Connector ICC Unit
    • 2. Check Power Supply Circuit For ICC Unit
    • 3. Check Ground Circuit For ICC Unit
  • DTC 41: VHCL Speed Se CIRC
    • 1. ICC Unit Self-Diagnosis Check
    • 2. Check AT Vehicle Speed Sensor
  • DTC 42: THRTL Pos Sen CIRC
    • 1. Check Connector For ICC Unit
    • 2. Check Throttle Position Sensor And Idle Switch
    • 3. Check Throttle Position Signal For ICC Unit
    • 4. Check Harness Between ICC Unit And ECM
    • 5. Diagnosis Check 1
    • 6. Diagnosis Check 2
  • DTC 43: Abs/TCS/VDC CIRC
    • 1. Diagnosis Check 1
    • 2. Diagnosis Check 2
  • DTC 45: Brake SW/Stop L SW
    • 1. Check Connector For ICC Unit
    • 2. Check Stop Lamp Switch And ICC Brake Switch
    • 3. Brake Switch Installation And Adjustment Inspection
    • 4. Check ICC Brake Switch
    • 5. Check Stop Lamp Illumination
    • 6. Check ICC Brake Hold Relay
    • 7. Check ICC Brake Hold Relay Circuit
  • DTC 46: Operation SW CIRC
    • 1. Check Connectors ICC Unit, Combination Switch And ICC Steering Switch
    • 2. Check ICC Steering Switch Signal Circuit
    • 3. Check ICC Steering Switch
  • DTC 61: Press Sen Circuit
    • 1. Check Connector Brake Pressure Sensor And ICC Unit
    • 2. Check Harness Between Brake Pressure Sensor And ICC Unit
    • 3. Check Power Supply Circuit For Brake Pressure Sensor
  • DTC 62: Booster Sol/V Circuit
    • 1. Check Solenoid/Release Switch And ICC Unit Check Connector
    • 2. Check Harness Between Solenoid/Release Switch And ICC Unit
    • 3. Check Booster Solenoid
  • DTC 63: Release SW Circuit
    • 1. Check Solenoid/Release Switch And ICC Unit Check Connector
    • 2. Check Harness Solenoid/Release Switch And ICC Unit
    • 3. Check Release Switch Power Supply Circuit
    • 4. Check Release Switch
  • DTC 65: Pressure Control
    • 1. Operation Check
    • 2. Check Booster Solenoid
    • 3. Check Harness Between Solenoid/Release Switch And ICC Unit
  • DTC 74: Laser Beam Off CNTR
    • 1. Diagnostic Check
  • DTC 81: Power Supply Valve [Hi Voltage]
    • 1. Check ICC Unit Reference Signal
    • 2. Check Harness Between ICC Unit And ASCD Pump
    • 3. Check ICC Unit Reference Signal
  • DTC 83: Vacuum Pump [Low Voltage]
    • 1. Check ASCD Actuator
    • 2. Check Harness Between ICC Unit And ASCD Pump
    • 3. Check Connector ASCD Pump And ICC Unit
  • DTC 85: Air Valve [Low Voltage]
    • 1. Check ASCD Pump
    • 2. Check Harness Between ICC Unit And ASCD Pump
    • 3. Check Connector Pump ASCD And ICC Unit
  • DTC 87: Release Valve [Low Voltage]
    • 1. Check ASCD Pump
    • 2. Check Harness Between ICC Unit And Pump
    • 3. Check Connector ASCD Pump And ICC Unit
  • DTC 90: Stop Lamp RLY Fix
    • 1. Check Connector ICC Unit
    • 2. Check Stop Lamp Switch, And ICC Brake Switch
    • 3. Brake Switch Installation And Adjustment Inspection
    • 4. Check ICC Brake Switch And Stop Lamp Switch
    • 5. Check ICC Brake Hold Relay
    • 6. Check Harness Through ICC Brake Hold Relay, ICC Brake Switch, ICC Unit
    • 7. Check ICC Brake Hold Relay Power Supply Circuit
    • 8. Check Brake Lamp Illumination
    • 9. Check ICC Brake Hold Relay Circuit
    • 10. Check ICC Brake Hold Relay
    • 11. Check Harness Through ICC Unit, ICC Brake Hold Relay, And Ground
    • 12. Check ICC Brake Hold Relay
    • 13. Check ICC Unit Standard Voltage
    • 14. Check ICC Brake Hold Relay Power Supply Circuit
    • 15. Check Harness Between ICC Brake Hold Relay And ICC Unit
    • 16. Check ICC Brake Hold Relay
    • 17. Check ICC Unit Standard Voltage
  • DTC 92: ECM Circuit
    • 1. Diagnosis Check 1
    • 2. Diagnosis Check 2
  • DTC 97: At Circuit
    • 1. Check AT Circuit
  • DTC 98: Gear Position
    • 1. Diagnostic Check
    • 2. Check Vehicle Speed Signal
    • 3. Check Shift Gear Position
    • 4. Check TCM Gear Position Signal
    • 5. Check TCM Turbine Rotation
  • DTC 102: Radar Stain
    • 1. Visual Inspection (1)
    • 2. Visual Inspection (2)
    • 3. Asking Complaints
  • DTC 103: Laser Sensor Fail
    • 1. Diagnostic Check
  • DTC 104: Laser Aiming INCMP
    • 1. Diagnostic Check
  • DTC 107: Laser Comm Fail
    • 1. Diagnostic Check
  • DTC 109: Laser High Temp
    • 1. Check Symptom
• Trouble Diagnosis For Symptoms
  • Symptom Chart
  • Symptom 1: Cruise On/Off Does Not Switch On. (The ICC System Display In The Combination Meter Does Not Illuminate.) Cruise On/Off Does Not Switch Off. (The ICC System Display In The Combination Meter Remains Powered.)
    • 1. Check ON/OFF Switch
    • 2. Check Combination Meter
    • 3. Check CAN Communication
    • 4. Check ICC Unit Reference Signal
    • 5. Check ICC Steering Switch
    • 6. Check ICC Steering Switch Harness
    • 7. Check Spiral Cable
    • 8. Check Harness Between Spiral Cable And ICC Unit
    • 9. Check Connector For ICC Unit
    • 10. Check Connector ICC Steering Switch, Switch Harness And Spiral Cable
  • Symptom 2: The ICC System Cannot Be Set (On/Off Switch Turns On/Off).
    • Notes
    • 1. Check Of Cause Of Automatic Cancellation
    • 2. Self-Diagnosis Check
    • 3. Switches And Vehicle Speed Signal Check
  • Symptom 3: The ICC System Cannot Be Cancelled By The Cancel Switch, Resume Or Increase The Set Vehicle Speed, Or Change The Distance Setting.
    • Notes
    • 1. Switch Check
  • Symptom 4: The ICC System Is Not Cancelled When The Gear Is In Other Than `D'.
    • 1. D Range Switch Check
    • 2. CAN Communication Inspection
    • 3. D Range Switch Check
  • Symptom 5: Chime Does Not Sound.
    • Notes
    • 1. Check ICC Warning Chime
    • 2. Check ICC Warning Chime Signal
    • 3. Check Harness Between ICC Unit And Chime
    • 4. Check Connector ICC Warning Chime
    • 5. Check Connector For ICC Unit
  • Symptom 6: Chime Does Not Stop.
    • 1. Check ICC Warning Chime Signal
    • 2. Check Ground Circuit For ICC Warning Chime
  • Symptom 7: Driving Force Is Hunting.
    • 1. Check ASCD Actuator
  • Symptom 8: The ICC System Frequently Cannot Detect The Vehicle Ahead/The Detection Zone Is Short.
    • Notes
    • 1. Visual Check
    • 2. Operation Check
  • Symptom 9: The System Does Not Detect The Vehicle Ahead At All.
    • 1. Visual Check
    • 2. Visual Check
    • 3. Visual Check
    • 4. Adjust ICC Sensor
• Electrical Component Inspection
  • ICC Steering Switch
  • ICC Brake Switch And Stop Lamp Switch
  • Booster Solenoid
  • Release Switch
  • ASCD Actuator
  • Vacuum Hose
  • ASCD Pump
• Removal And Installation
  • ICC Unit
  • ICC Sensor
  • ICC Warning Chime
  • ICC Steering Switch
  • ASCD Wire Adjustment
• Service Data And Specifications (SDS)
  • Standard And Limit
  • Tightening Torque