- "Pre-Collision System Unavailable"
- "Pre-Collision System Unavailable Clean Sensor"
- "Front Camera Unavailable"
- "Front Camera Unavailable See Owner's Manual"
| Last Modified: 01-30-2024 | 6.11:8.1.0 | Doc ID: RM100000001FOLA |
| Model Year Start: 2019 | Model: RAV4 | Prod Date Range: [11/2018 - 12/2021] |
| Title: PRE-COLLISION: PRE-COLLISION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING; 2019 - 2021 MY RAV4 RAV4 HV [11/2018 - 12/2021] | ||
|
HOW TO PROCEED WITH TROUBLESHOOTING |
CAUTION / NOTICE / HINT
HINT:
- Use these procedures to troubleshoot the pre-collision system.
- *: Use the Techstream.
PROCEDURE
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1. |
VEHICLE BROUGHT TO WORKSHOP |
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2. |
INSPECT AUXILIARY BATTERY VOLTAGE |
(a) Measure the auxiliary battery voltage with the ignition switch off.
Standard voltage:
11 to 14 V
If the voltage is below 11 V, replace or recharge the auxiliary battery before proceeding to the next step.
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3. |
CHECK 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 warning message is displayed, check in the order of A, B, C and D.
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Result |
Proceed to |
|---|---|
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"VSC Turned OFF Pre-Collision Brake System Unavailable" is displayed |
A |
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"Pre-Collision System Malfunction Visit Your Dealer" is displayed |
B |
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Any of the following messages is displayed: |
C |
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Pre-collision system warning message is not displayed |
D |
| A |
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| C |
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| D |
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4. |
CHECK CAN COMMUNICATION SYSTEM* |
(a) Using the Techstream, check if the CAN communication system is functioning normally.
for HV Model:
Click here
![2019 MY RAV4 HV [11/2018 - 02/2019]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): HOW TO PROCEED WITH TROUBLESHOOTING](/t3Portal/stylegraphics/info.gif)
for Gasoline Model:
Click here
OK:
CAN communication system is functioning normally.
| NG |
|
GO TO CAN COMMUNICATION SYSTEM for HV Model: Click here
for Gasoline Model: Click here
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5. |
CHECK FOR DTC* (PRE-COLLISION SYSTEM) |
(a) Check for DTCs.
Click here
Body Electrical > Pre-Collision System > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
DTCs are not output |
A |
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DTC C142571 is output |
B |
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A DTC other than C142571 is output |
C |
| B |
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| C |
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6. |
CHECK FOR VEHICLE CONTROL HISTORY* (PRE-COLLISION SYSTEM) |
(a) Check for vehicle control history and note any codes that are output.
Click here
Body Electrical > Pre-Collision System > Utility
|
Tester Display |
|---|
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Vehicle Control History (RoB) |
(1) Record the vehicle control history.
|
Result |
Proceed to |
|---|---|
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Vehicle control history is not output |
A |
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X2013, X2015, X2022, X2024, X2025, X2026 or X2028 is output |
B |
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Vehicle control history other than X2013, X2015, X2022, X2024, X2025, X2026 and X2028 is output |
C |
| A |
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| B |
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GO TO VEHICLE CONTROL HISTORY
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7. |
CHECK FOR VEHICLE CONTROL HISTORY* (PRE-COLLISION SYSTEM) |
(a) Clear the vehicle control history.
Click here
Body Electrical > Pre-Collision System > Utility
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Tester Display |
|---|
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Vehicle Control History (RoB) |
(b) Recheck for vehicle control history.
(1) Check if the following vehicle control history is output.
Click here
Body Electrical > Pre-Collision System > Utility
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Tester Display |
|---|
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Vehicle Control History (RoB) |
|
Result |
Proceed to |
|---|---|
|
Vehicle control history is not output |
A |
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Vehicle control history is output |
B |
| A |
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| B |
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GO TO VEHICLE CONTROL HISTORY
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8. |
CHECK FOR DTC* (PRE-COLLISION SYSTEM) |
(a) Clear the DTCs.
Click here
Body Electrical > Pre-Collision System > Clear DTCs
(b) Reproduce the detection conditions of the recorded DTC.
HINT:
Refer to the flowchart for the detection conditions for each of the DTCs.
(c) Recheck for DTCs.
(1) Attempt to duplicate the malfunction and check if the DTCs are output again.
Click here
Body Electrical > Pre-Collision System > Trouble Codes
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Result |
Proceed to |
|---|---|
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DTCs are not output |
A |
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DTC is output |
B |
| A |
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| B |
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GO TO DIAGNOSTIC TROUBLE CODE CHART
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9. |
PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table.
Click here
|
Result |
Proceed to |
|---|---|
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Fault is not listed in Problem Symptoms Table. |
A |
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Fault is listed in Problem Symptoms Table. |
B |
| B |
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ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE |
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10. |
CHECK PCS WARNING LIGHT |
(a) Check the condition of the PCS warning light.
|
Result |
Proceed to |
|---|---|
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Only the PCS warning light is illuminated. |
A |
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The PCS warning light is not illuminated. |
B |
| B |
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11. |
CHECK FOR VEHICLE CONTROL HISTORY* (X2015) |
(a) Check for vehicle control history and note any codes that are output.
Click here
Body Electrical > Pre-Collision System > Utility
|
Tester Display |
|---|
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Vehicle Control History (RoB) |
| NEXT |
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GO TO VEHICLE CONTROL HISTORY
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12. |
CHECK FOR DTC* (PRE-COLLISION SYSTEM) |
(a) Check for DTCs.
Click here
Body Electrical > Pre-Collision System > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
DTCs are not output |
A |
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DTC is output |
B |
| B |
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13. |
CHECK CONFIRMED DTC DETECTION CONDITION* |
(a) Check detection condition for the confirmed pre-collision system DTC.
Click here
| NEXT |
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END (a) Explain to the customer the cause of the previously stored DTC and that the output reason has been cleared. |
|
14. |
CHECK FOR VEHICLE CONTROL HISTORY* (PRE-COLLISION SYSTEM) |
(a) Check for vehicle control history and note any codes that are output.
Click here
Body Electrical > Pre-Collision System > Utility
|
Tester Display |
|---|
|
Vehicle Control History (RoB) |
(1) Record the vehicle control history.
|
Result |
Proceed to |
|---|---|
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Vehicle control history is not output |
A |
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Vehicle control history is output |
B |
| B |
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15. |
CONDITIONS WHEN PRE-COLLISION SYSTEM OPERATE OR NOT OPERATE |
(a) Check the conditions when pre-collision system operates or does not operate.
Click here
|
Result |
Proceed to |
|---|---|
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Any condition is met. |
A |
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No condition is met. |
B |
| A |
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END (OPERATION/NO OPERATION CONDITIONS OF PRE-COLLISION SYSTEM IS MET) |
| B |
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16. |
CHECK FOR VEHICLE CONTROL HISTORY* (PRE-COLLISION SYSTEM) |
(a) Check for vehicle control history and note any codes that are output.
Click here
HINT:
Based on the customer's inquiry, check the corresponding factors in the vehicle control history, such as the detection time and date, trip information and elapsed time.
| NEXT |
|
END (a) Explain to the customer the cause of the previously stored vehicle control history and that the output reason has been cleared. |
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17. |
INSPECT MILLIMETER WAVE RADAR SENSOR ASSEMBLY* (FRONT BEAM AXIS MISALIGNMENT READING) |
NOTICE:
Before performing beam axis adjustment, check the fitting of the front bumper cover and radiator grille assembly and confirm that there is no warping or deformation.
(a) Adjust the reflector height.
Click here
(b) Place the reflector.
Click here
(c) Connect the Techstream to the DLC3.
(d) Turn the ignition switch to ON.
(e) Turn the Techstream on.
(f) Turn the cruise control main switch on.
(g) Enter the following menus: Body Electrical / Front Radar Sensor / Utility / Front Beam Axis Misalignment Reading.
Body Electrical > Front Radar Sensor > Utility
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Tester Display |
|---|
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Front Beam Axis Misalignment Reading |
(h) Check the amount of misalignment and make a note.
Standard (before performing adjustment):
Front beam axis misalignment value
|
Vertical |
-5.0 to 5.0 deg. |
|
Horizontal |
-0.5 to 0.5 deg. |
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Result |
Proceed to |
|---|---|
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Front beam axis misalignment value is within the specified range. |
A |
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Front beam axis misalignment value is not within the specified range. |
B |
| A |
|
| B |
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PERFORM FRONT BEAM AXIS ADJUSTMENT
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