How To Proceed With Troubleshooting [02/2017 - 09/2019]: Procedure

Result

Result: 

NEXT 

See step  2

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.) * Describe the conditions immediately after the occurrence in as much detail as possible.		Conditions of Occurrence Diagram Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
		Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
		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 / Foreign matter (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		Forward recognition camera
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 was 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	Forward recognition camera			Accident history	Y / N
		Millimeter wave radar sensor assembly			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: *: As information regarding the item is important for the investigation, make sure to obtain the item if permission is given by the customer.

Result

Result: 

NEXT 

See step  3

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

   Proceed to
   NEXT

Result: 

NEXT 

See step  4

1. Adjust the reflector height.

   Refer to ADJUSTMENT [02/2017 - 08/2020]

2. Place the reflector.

   Refer to ADJUSTMENT [02/2017 - 08/2020]

3. Connect the Techstream to the DLC3.
4. Turn the ignition switch to ON.
5. Turn the Techstream on.
6. Turn the cruise control main switch on.
7. Enter the following menus: Body Electrical / Pre-Collision 2 / Utility / Front Beam Axis Misalignment Reading.
8. Check the amount of misalignment and make a note.

   Body Electrical > Pre-Collision 2 > Utility 

   Tester Display
   Front Beam Axis Misalignment Reading

9. Enter the following menus: Body Electrical / Pre-Collision 2 / Utility / Front Beam Axis Offset Reading.
10. Check the amount of offset and make a note.

    Body Electrical > Pre-Collision 2 > Utility 

    Tester Display
    Front Beam Axis Offset Reading

    Result

    Proceed to
    NEXT

Result: 

NEXT 

See step  5

1. Using the Techstream, check if the CAN communication system is functioning normally.

   HINT: 

   Refer to CAN Bus Check in CAN Communication System.

   Refer to HOW TO PROCEED WITH TROUBLESHOOTING [02/2017 - 05/2018] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [05/2018 - 09/2019]

   OK

   CAN communication system is functioning normally.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [02/2017 - 05/2018]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [05/2018 - 09/2019] 

Result: 

OK 

See step  6

1. Check the condition of the warning lights on the combination meter assembly.

   Result

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

Result: 

B 

GO TO MALFUNCTIONING SYSTEM 

Result: 

A 

See step  7

1. Check if a pre-collision system warning message is displayed on the multi-information display in the combination meter assembly.

   Result

   Result	Proceed to
   "Pre-Collision System Malfunction Visit Your Dealer" is displayed	A
   Any of the following messages is displayed "Pre-Collision System Unavailable" "Pre-Collision System Unavailable Clean Sensor" "Front Camera Unavailable" "Front Camera Vision Blocked. Clean and Demist Windshield"	B
   Warning message is not displayed	C

Result: 

B 

GO TO PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [02/2017 - 09/2019]  

Result: 

C 

CHECK CONDITIONS WHEN PRE-COLLISION SYSTEM DID NOT OPERATE. Refer to  SYSTEM DESCRIPTION [02/2017 - 05/2018]  , or refer to  SYSTEM DESCRIPTION [05/2018 - 08/2020]  

Result: 

A 

See step  8

HINT: 

Refer to DTC Check / Clear.

Refer to DTC CHECK / CLEAR [02/2017 - 08/2020] 

1. Check for DTCs and note any codes that are output.

   Body Electrical > Pre-Collision 2 > Trouble Codes 

2. Clear the DTCs.

   Body Electrical > Pre-Collision 2 > Clear DTCs 

3. Recheck for DTCs.
   1. Attempt to duplicate the malfunction and check if the DTCs are output again.

      Body Electrical > Pre-Collision 2 > Trouble Codes 

   Result

   Result	Proceed to
   Malfunction is duplicated but DTCs are not output	A
   Malfunction cannot be duplicated and DTCs are not output	B
   DTCs are output	C

Result: 

B 

GO TO SYMPTOM SIMULATION. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [02/2017 - 10/2017]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2017 - 05/2018]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [05/2018 - 09/2019] 

Result: 

C 

GO TO DTC CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [02/2017 - 09/2019]  

Result: 

A 

See step  9

HINT: 

Refer to Problem Symptoms Table.

Refer to PROBLEM SYMPTOMS TABLE [02/2017 - 09/2019] 

Result

Result: 

B 

See step  12

Result: 

A 

See step  10

1. Terminals of ECU

   Refer to TERMINALS OF ECU [02/2017 - 08/2020] 

2. Data List / Active Test

   Refer to DATA LIST / ACTIVE TEST [02/2017 - 08/2020] 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  11

Result

Result: 

NEXT 

See step  12

Result

Result: 

NEXT 

END