How To Proceed With Troubleshooting [07/2016 - 03/2017]: Procedure

Result: 

NEXT 

See step  2

1. Measure the battery voltage.

   Standard Voltage

   11 to 14 V

   If the voltage is below 11 V, replace or recharge the battery before proceeding to the next step.

Result: 

NEXT 

See step  3

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 (Heavy/Light) / Snow (Amount of snowfall cm) / Other ()			Vehicle speed	Approximately () km/h (mph)
Place	Prefecture (Attach a map if possible)
Driving path (where vehicle turned, where driver attempted to drive to, etc.) * Describe the conditions immediately after the occurrence in as much detail as possible.		Conditions of Occurrence Diagram
		Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
		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				Vertical ()	Horizontal ()
	History of repairs around radar sensor	Y / N		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: 

NEXT 

See step  4

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

   Result

   Result	Proceed to
   Only the PCS warning light (PCS OFF indicator) is blinking	A
   The PCS warning light (PCS OFF indicator) and other warning lights are illuminated or blinking	B

Result: 

B 

REFER TO MALFUNCTIONING SYSTEM 

Result: 

A 

See step  5

1. Clear the DTCs.

   (Refer to DTC CHECK / CLEAR [07/2016 - ] )

2. Check for DTCs.

   (Refer to DTC CHECK / CLEAR [07/2016 - ] )

   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

Result: 

B 

See step  8

Result: 

C 

REFER TO DIAGNOSTIC TROUBLE CODE CHART 

(Refer to DIAGNOSTIC TROUBLE CODE CHART [07/2016 - 03/2017] )

Result: 

A 

See step  6

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

   (Refer to DATA LIST / ACTIVE TEST [07/2016 - 03/2017] )

   PCS/LDA/RSA/LVN
   
   

   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

   DTC Condition	Proceed to
   Malfunction history exists	A
   No malfunction history exists	B

Result: 

B 

See step  9

Result: 

A 

See step  7

1. Refer to Problem Symptoms Table.

   (Refer to PROBLEM SYMPTOMS TABLE [07/2016 - 03/2017] )

   Result

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

Result: 

B 

See step  9

Result: 

A 

See step  8

1. Terminals of ECU

   (Refer to TERMINALS OF ECU [07/2016 - 03/2017] )

2. Data List / Active Test

   (Refer to DATA LIST / ACTIVE TEST [07/2016 - 03/2017] )

Result: 

NEXT 

See step  9

HINT: 

Adjustment of the pre-collision city sensor is required when the pre-collision city sensor is replaced with a new one.

• Perform adjustment using "ONE TIME RECOGNITION" or "SEQUENTIAL RECOGNITION".
  • ONE TIME RECOGNITION

    Refer to ADJUSTMENT (ONE TIME RECOGNITION) [07/2016 - 03/2017]

  • SEQUENTIAL RECOGNITION

    Refer to ADJUSTMENT (SEQUENTIAL RECOGNITION) [07/2016 - 03/2017]

Result: 

NEXT 

See step  10

Result: 

NEXT 

END