PRE-CRASH SAFETY SYSTEM

DTC Code	DTC Name
	HOW TO PROCEED WITH TROUBLESHOOTING

VEHICLE BROUGHT TO WORKSHOP

Result

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NEXT

CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK

Pre-crash Safety 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	Approximately 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
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

		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-crash safety 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 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	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

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INSPECT AUXILIARY BATTERY VOLTAGE

Measure the auxiliary battery voltage with the power switch off.

Standard voltage
11 to 14 V

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

Result

Proceed to
OK
NG

NG

CHARGE OR REPLACE AUXILIARY BATTERY

OK

INSPECT MILLIMETER WAVE RADAR SENSOR ASSEMBLY (BEAM AXIS MISALIGNMENT READING)*

Adjust the reflector height.

Click here
Place the reflector.

Click here
Connect the GTS to the DLC3.
Turn the power switch on (IG).
Turn the GTS on.
Enter the following menus: Body Electrical / Pre-Crash 2 / Utility / Front Beam Axis Misalignment Reading.
Check the amount of misalignment and make a note.
Enter the following menus: Body Electrical / Pre-Crash 2 / Utility / Front Beam Axis Offset Reading.

Check the amount of offset and make a note.

Result

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CHECK CAN COMMUNICATION SYSTEM*

Use the GTS to check if the CAN communication system is functioning normally.

for LHD: Click here

for RHD: Click here

Result

Result	Proceed to
CAN DTC is not output	A
CAN DTC is output (for LHD)	B
CAN DTC is output (for RHD)	C

B

GO TO CAN COMMUNICATION SYSTEM Click here

C

GO TO CAN COMMUNICATION SYSTEM Click here

A

INSPECT WARNING LIGHT

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

Result

Result	Proceed to
Warning lights other than the PCS warning light are not illuminated or flashing	A
Warning lights other than the PCS warning light are illuminated or flashing	B

B

GO TO MALFUNCTIONING SYSTEM

A

INSPECT MULTI-INFORMATION DISPLAY

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

Result

Proceed to

"Pre-crash Safety Malfunction Visit Your Dealer" is displayed

A

Any of the following messages is displayed:

Pre-crash Safety Unavailable
Pre-crash Safety Unavailable Clean Sensor
Forward Camera Systems Unavailable
Forward Camera System Unavailable Clean Windshield

B

Warning message is not displayed

C

B

GO TO PROBLEM SYMPTOMS TABLE Click here

C

CHECK CONDITIONS WHEN PRE-CRASH SAFETY SYSTEM DID NOT OPERATE

A

CHECK FOR DTC*

Check for DTCs.

Click here
1. Record the DTCs.
Clear the DTCs.

Recheck for DTCs.

Attempt to duplicate the malfunction and check if the DTCs are output again.

Click here

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

B

GO TO SYMPTOM SIMULATION Click here

C

GO TO DTC CHART Click here

A

PROBLEM SYMPTOMS TABLE

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

GO TO STEP 9 Click here

A

OVERALL ANALYSIS AND TROUBLESHOOTING*

Data List / Active Test

Click here

Terminals of ECU

Click here

Result

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NEXT

ADJUST, REPAIR OR REPLACE

Tech Tips

When the millimeter wave radar sensor assembly is replaced with a new one, adjustment of the radar sensor beam axis must be performed.

Click here

Result

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NEXT

CONFIRMATION TEST

Result

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NEXT

END

PRE-CRASH SAFETY SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING