PRE-COLLISION SYSTEM

CAUTION / NOTICE / HINT

PROCEDURE

1. VEHICLE BROUGHT TO WORKSHOP

   Result

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2. CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK

   Pre-collision System Customer Problem Analysis					Vehicle Brought to Workshop
   					Year	Month	Day
   Dealer name		Person in charge at headquarters			Telephone number
   Shop name		Person in charge at shop
   Frame type		Frame No.		First Registered Year		Total distance traveled
   Customer Concerns (Include details)		Does not operate
   		Operates abnormally
   Date of malfunction occurrence (Since when)		Year	Month	Day	Approx. Time
   Date of last inspection		Year	Month	Day
   Frequency of problem symptoms		Once / Occasionally (times per day, times per month) / Every time certain conditions are met ( )
   Weather	Sunny / Cloudy / Rain / Snow (Amount of snowfall cm) / Other ( )			Vehicle speed	Approximately ( ) km/h
   Place	Prefecture (Attach a map if possible)
   Driving path (where vehicle turned, where driver attempted to drive to, etc.) (Explain conditions before collision as much as possible)		Conditions of Occurrence Diagram
   		Surrounding road conditions Describe whether there were any billboards, metal objects on the road (manholes), guardrails, pipes, cat's eyes, gate bars, etc.
   Urban area / Suburbs / Highway / Other ( )			Road surface conditions		Temperature	About °C ( °F)
   Direction of travel		Straight / Right turn / Left turn / Right curve / Left curve			Snow wall(s)	Y / N
   Driving lane		Number of lanes on one side (lanes) / ( ) lane(s) from left			Backlighting	Y / N
   Condition of external area around detection sensor			No foreign matter adhesion / Foreign matter adhesion (water, snow, ice, other)
   Additional information about condition of vehicle exterior (other than above)
   DTC		First Time (when vehicle brought to workshop)
   		Second Time (after clearing DTC)
   Status of operation switch		Pre-collision system cancel switch		Far / Medium / Near / OFF	VSC OFF switch		ON / OFF
   Serial number of main part * Fill in when removing, installing or replacing part		Pre-collision city sensor
   Describe the items to the right in as much detail as possible.	Driver operation	Accelerator pedal operated / Brake pedal operated / Steering wheel operated			Time elapsed after engine is started	Approximately ( ) minutes
   	Tire pressure inspection result	Front: LH ( ) kPa RH ( ) kPa Standard ( ) kPa
   		Rear: LH ( ) kPa RH ( ) kPa Standard ( ) kPa
   	Sensor optical axis inspection result	Pre-collision city sensor			Accident history	Y / N
   	Vehicle modified	Y ( ) / N
   	Items installed or attached around windshield glass	Drive recorder* / Radar detector / Navigation unit (genuine/non-genuine) / ETC / Charms or toys / Other: *: Since this device holds information valuable to the investigation, make sure to retrieve this device if permission is granted by the customer.

   Result

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3. INSPECT WARNING LIGHT

   1. Check if any warning lights other than the PCS OFF warning light are illuminated or blinking.

   Result

   Result	Proceed to
   Only the PCS OFF warning light is blinking or illuminated	A
   The PCS OFF warning light is not blinking or illuminated
   The PCS OFF warning light and other warning lights are illuminated or blinking	B

   B

   GO TO MALFUNCTIONING SYSTEM

   Tip:

   Inspect the system indicated by the warning light.

   A

4. CHECK FOR DTCs*

   1. Clear the DTCs.

      Click here

      Chassis > PCS/LDA/RSA/LVN > Clear DTCs

   2. Check for DTCs.

      Click here

      Chassis > PCS/LDA/RSA/LVN > Trouble Codes

      Result

      Result	Proceed to
      DTCs are not output (symptoms can be confirmed or reproduced)	A
      DTCs are not output (symptoms cannot be confirmed or reproduced)	B
      DTCs are output	C

   B

   OVERALL ANALYSIS AND TROUBLESHOOTING*Click here

   C

   GO TO DIAGNOSTIC TROUBLE CODE CHART

   Click here

   A

5. READ VALUE USING GTS

   1. Read the Data List according to the display on the GTS.

      Click here

      Chassis > PCS/LDA/RSA/LVN > Data List

      Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
      History of Blockage	Displays whether there is camera or laser sensor obstruction history	ON or OFF	ON: Pre-collision city sensor (camera or laser sensor) obstruction history exists OFF: Pre-collision city sensor (camera or laser sensor) obstruction history does not exist	-
      History of Low Voltage	Displays whether there is low voltage history	ON or OFF	ON: Pre-collision city sensor low voltage history exists OFF: Pre-collision city sensor low voltage history does not exist	-
      History of High Voltage	Displays whether there is high voltage history	ON or OFF	ON: Pre-collision city sensor high voltage history exists OFF: Pre-collision city sensor high voltage history does not exist	-
      History of Low Temperature	Displays whether there is low temperature history	ON or OFF	ON: Pre-collision city sensor low temperature history exists OFF: Pre-collision city sensor low temperature history does not exist	-
      History of High Temperature	Displays whether there is high temperature history	ON or OFF	ON: Pre-collision city sensor high temperature history exists OFF: Pre-collision city sensor high temperature history does not exist	-
      Blockage Status	Displays whether there is a camera obstruction malfunction	ON or OFF	ON: Pre-collision city sensor (camera) obstructed OFF: Pre-collision city sensor (camera) not obstructed	-
      Low Voltage Status	Displays whether there is a low voltage malfunction	ON or OFF	ON: Pre-collision city sensor low voltage malfunction exists OFF: Pre-collision city sensor low voltage malfunction does not exist	-
      High Voltage Status	Displays whether there is a high voltage malfunction	ON or OFF	ON: Pre-collision city sensor high voltage malfunction exists OFF: Pre-collision city sensor high voltage malfunction does not exist	-
      Low Temperature Status	Displays whether there is a low temperature malfunction	ON or OFF	ON: Pre-collision city sensor low temperature malfunction exists OFF: Pre-collision city sensor low temperature malfunction does not exist	-
      High Temperature Status	Displays whether there is a high temperature malfunction	ON or OFF	ON: Pre-collision city sensor high temperature malfunction exists OFF: Pre-collision city sensor high temperature malfunction does not exist	-
      Lidar Blockage Status	Displays whether laser sensor is dirty	ON or OFF	ON: Dirt on pre-collision city sensor (laser sensor) OFF: No dirt on pre-collision city sensor (laser sensor)	-

   Result

   Result	Proceed to
   Malfunction history exists	A
   No malfunction history exists	B

   B

   OVERALL ANALYSIS AND TROUBLESHOOTING*Click here

   A

6. PROBLEM SYMPTOMS TABLE

   1. Refer to Problem Symptoms Table.

      Click here

   Result

   Result	Proceed to
   Fault is not listed in Problem Symptoms Table	A
   Fault is listed in Problem Symptoms Table	B

   B

   ADJUST, REPAIR OR REPLACEClick here

   A

7. OVERALL ANALYSIS AND TROUBLESHOOTING*

   1. Terminals of ECU

      Click here

   2. Data List / Active Test

      Click here

   Result

   Proceed to
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8. ADJUST, REPAIR OR REPLACE

   Note:

   If the pre-collision city sensor has been replaced, be sure to perform Pre-collision City Sensor Optical Axis Learning.

   Tip:

   Pre-collision City Sensor Optical Axis Learning can be performed by using either One Time Recognition or Sequential Recognition.

   One Time Recognition:Click here

   Sequential Recognition:Click here

   Result

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9. CONFIRMATION TEST

   Result

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   END