RM35X0E _58 Vehicle Interior _078886 PRE-COLLISION _0382740 PRE-COLLISION SYSTEM Y

PRE-COLLISION  PRE-COLLISION SYSTEM  HOW TO PROCEED WITH TROUBLESHOOTING  


CAUTION / NOTICE / HINT

HINT:
·

Use the following procedure to troubleshoot the pre-collision system.

·

*: Use the GTS.



PROCEDURE

1.VEHICLE BROUGHT TO WORKSHOP
Result:
Proceed to
NEXT



NEXT

2.CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK
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/State/Providence
(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
E322002

E322001E01
0.771,1.104 0.313,0.458 0.313,0.458 0.719,0.458 true 1.365,1.042 1.646,0.76 1.646,0.76 1.99,0.76 true 0.406,1.854 0.198,1.854 0.198,1.854 1.063,1.177 true 1.875,1.271 2.083,1.438 true 1.563,1.469 1.719,1.885 1.719,1.885 1.927,1.885 true 0.75,0.063 1.99,0.26 1.24,0.198 10 false Diagram Example 0.781,0.385 3.229,0.583 2.448,0.198 10 false Oncoming vehicle 2.042,0.677 3.208,1 1.167,0.323 10 false Stopped vehicle 0.479,1.792 1.406,2.01 0.927,0.219 10 false Occurred here 1.979,1.823 3.052,2.021 1.073,0.198 10 false Vehicle 2.135,1.354 3.427,1.604 1.292,0.25 10 false Approximately ( ) m

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:
Proceed to
NEXT



NEXT

3.PRE-CHECK
3.PRE-CHECK
a.

Measure the battery voltage.

Standard voltage:

11 to 14 V


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


b.

Check the fuses and relays.


c.

Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.


Result:
Proceed to
NEXT



NEXT

4.INSPECT MULTI-INFORMATION DISPLAY
4.INSPECT MULTI-INFORMATION DISPLAY
a.

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

HINT:

If more than one message is displayed, perform each inspection in the order listed in the table.



Result:
Result Proceed to
"VSC Turned OFF Pre-Collision Brake System Unavailable" is displayed A
"Pre-Collision System Malfunction Visit Your Dealer" is displayed B
Any of the following messages is displayed:
·

"Pre-Collision System Unavailable"

·

"Pre-Collision System Unavailable Clean Sensor"

·

"Front Camera Unavailable"

·

"Front Camera Unavailable See Owner's Manual"


C
Warning message is not displayed D



A

GO TO PROBLEM SYMPTOMS TABLE

Click hereVehicle Interior>PRE-COLLISION>PRE-COLLISION SYSTEM>PROBLEM SYMPTOMS TABLE


B

5.CHECK CAN COMMUNICATION SYSTEM*

C

7.CHECK VEHICLE CONTROL HISTORY*

D

10.PROBLEM SYMPTOMS TABLE
6.CHECK FOR DTCs*
a.

Using the GTS, check for DTCs.

Body Electrical > Pre-Collision System > Trouble Codes
50001 432

b.

Make a note of the output DTCs.


Result:
Result Proceed to
DTCs are not output A
DTC C142571 is output B
DTCs other than C142571 are output C



A

7.CHECK VEHICLE CONTROL HISTORY*

B

GO TO DTC CHART (C142571)

Click hereVehicle Interior>PRE-COLLISION>PRE-COLLISION SYSTEM>C142571


C

8.RECONFIRM DTC OUTPUT*
7.CHECK VEHICLE CONTROL HISTORY*
a.

Using the GTS, check for Vehicle Control History (RoB).

Body Electrical > Pre-Collision System > Utility
Tester Display
Vehicle Control History (RoB)
50005 432 55

b.

Record any output Vehicle Control History (RoB).


Result:
Result Proceed to
Vehicle Control History (RoB) codes are not output A
Vehicle Control History (RoB) code X2013, X2015, X2022, X2024, X2025, X2026 or X2028 is output B
Vehicle Control History (RoB) codes other than X2013, X2015, X2022, X2024, X2025, X2026 and X2028 are output C



A

GO TO SYMPTOM SIMULATION

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING


B

GO TO VEHICLE CONTROL HISTORY (X2013, X2015, X2022, X2024, X2025, X2026 or X2028)

Click hereVehicle Interior>PRE-COLLISION>PRE-COLLISION SYSTEM>VEHICLE CONTROL HISTORY


C

9.RECONFIRM VEHICLE CONTROL HISTORY*
8.RECONFIRM DTC OUTPUT*
a.

Using the GTS, clear the DTCs.

Body Electrical > Pre-Collision System > Clear DTCs
50002 432

b.

Reproduce the vehicle conditions that were present when the DTCs that were noted were stored.

HINT:

Refer to each corresponding DTC for details on the detection conditions.

Click hereVehicle Interior>PRE-COLLISION>PRE-COLLISION SYSTEM>DIAGNOSTIC TROUBLE CODE CHART



c.

Using the GTS, check for DTCs.

Body Electrical > Pre-Collision System > Trouble Codes
50001 432

Result:
Result Proceed to
DTCs are not output A
DTCs are output B



A

GO TO SYMPTOM SIMULATION

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING


B

GO TO DTC CHART

Click hereVehicle Interior>PRE-COLLISION>PRE-COLLISION SYSTEM>DIAGNOSTIC TROUBLE CODE CHART


9.RECONFIRM VEHICLE CONTROL HISTORY*
a.

Using the GTS, clear the Vehicle Control History (RoB).

Body Electrical > Pre-Collision System > Utility
Tester Display
Vehicle Control History (RoB)
50005 432 55

b.

Using the GTS, check for Vehicle Control History (RoB).

Body Electrical > Pre-Collision System > Utility
Tester Display
Vehicle Control History (RoB)
50005 432 55

Result:
Result Proceed to
Vehicle Control History codes (RoB) are not output A
Vehicle Control History codes (RoB) are output B



A

GO TO SYMPTOM SIMULATION

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING


B

GO TO VEHICLE CONTROL HISTORY

Click hereVehicle Interior>PRE-COLLISION>PRE-COLLISION SYSTEM>VEHICLE CONTROL HISTORY


10.PROBLEM SYMPTOMS TABLE
a.

Refer to Problem Symptoms Table for the pre-collision system.

Click hereVehicle Interior>PRE-COLLISION>PRE-COLLISION SYSTEM>PROBLEM SYMPTOMS TABLE


Result:
Result Proceed to
Problem symptoms are not listed in the Problem Symptoms Table. A
Problem symptoms are listed in the Problem Symptoms Table. B



A

11.INSPECT WARNING LIGHT

B

GO TO PROBLEM SYMPTOMS TABLE

Click hereVehicle Interior>PRE-COLLISION>PRE-COLLISION SYSTEM>PROBLEM SYMPTOMS TABLE


11.INSPECT WARNING LIGHT
a.

Check the condition of the warning lights.


Result:
Result Proceed to
The PCS warning light is not illuminated A
Only the PCS warning light is illuminated B



A

12.CHECK FOR DTCs* (Confirmed)

B

GO TO VEHICLE CONTROL HISTORY (X2015)

Click hereVehicle Interior>PRE-COLLISION>PRE-COLLISION SYSTEM>VEHICLE CONTROL HISTORY


12.CHECK FOR DTCs* (Confirmed)
a.

Using the GTS, check for DTCs (Confirmed).

Body Electrical > Pre-Collision System > Trouble Codes
50001 432

b.

Make a note of the output DTCs (Confirmed).


Result:
Result Proceed to
DTCs (Confirmed) are not output A
DTCs (Confirmed) are output B



A

13.CHECK VEHICLE CONTROL HISTORY*

B

16.GO TO DTC CHART
13.CHECK VEHICLE CONTROL HISTORY*
a.

Using the GTS, check for Vehicle Control History (RoB).

Body Electrical > Pre-Collision System > Utility
Tester Display
Vehicle Control History (RoB)
50005 432 55

b.

Record any output Vehicle Control History (RoB).


Result:
Result Proceed to
Vehicle Control History codes (RoB) are not output A
Vehicle Control History codes (RoB) are output B



A

14.CHECK CONDITIONS WHEN PRE-COLLISION SYSTEM DID NOT OPERATE

B

GO TO VEHICLE CONTROL HISTORY

Click hereVehicle Interior>PRE-COLLISION>PRE-COLLISION SYSTEM>VEHICLE CONTROL HISTORY

HINT:

By using information obtained from the customer problem analysis and vehicle control history such as time of detection, trip number, etc., it may be possible to determine the cause of the malfunction.



14.CHECK CONDITIONS WHEN PRE-COLLISION SYSTEM DID NOT OPERATE
a.

Check if the exception conditions for the pre-collision system were met.

Click hereVehicle Interior>PRE-COLLISION>PRE-COLLISION SYSTEM>PRECAUTION


Result:
Result Proceed to
The exception conditions were not met. A
The exception conditions were met. B



A

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

B

END (The pre-collision system operated accordingly with the operation and prohibition conditions.)

15.INSPECT MILLIMETER WAVE RADAR SENSOR ASSEMBLY (BEAM AXIS MISALIGNMENT READING)*
NOTICE:

Before checking for millimeter wave radar sensor beam axis misalignment, make sure that the radiator grille and front bumper are correctly installed and have not been damaged or modified.


a.

Adjust the reflector height.

Click hereEngine / Hybrid System>CRUISE CONTROL>MILLIMETER WAVE RADAR SENSOR>ADJUSTMENT


b.

Place the reflector.

Click hereEngine / Hybrid System>CRUISE CONTROL>MILLIMETER WAVE RADAR SENSOR>ADJUSTMENT


c.

Connect the GTS to the DLC3.


d.

Turn the ignition switch to ON.


e.

Turn the GTS on.


f.

Enter the following menus: Body Electrical / Front Radar Sensor / Utility / Front Beam Axis Misalignment Reading.

Body Electrical > Front Radar Sensor > Utility
Tester Display
Front Beam Axis Misalignment Reading
50005 429 4405

g.

Check the amount of misalignment.

Standard:
Vertical Direction -5 to 5 deg.
Horizontal Direction -0.6 to 0.6 deg.



Result:
Result Proceed to
The beam axis values are within specification. A
The beam axis values are not within specification. B



A

GO TO SYMPTOM SIMULATION

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING


B

ADJUST MILLIMETER WAVE RADAR SENSOR ASSEMBLY

Click hereEngine / Hybrid System>CRUISE CONTROL>MILLIMETER WAVE RADAR SENSOR>ADJUSTMENT


16.GO TO DTC CHART
a.

Refer to each corresponding DTC (Confirmed) for details on the detection conditions.

Click hereVehicle Interior>PRE-COLLISION>PRE-COLLISION SYSTEM>DIAGNOSTIC TROUBLE CODE CHART


Result:
Proceed to
NEXT



NEXT

END

Explain to the customer the cause of the previously stored DTC and that the output reason has been cleared.