Toyota Tacoma (2015-2018) Service Manual: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use these procedures to troubleshoot the forward recognition camera system.
- *: Use the Techstream.
PROCEDURE
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1. |
VEHICLE BROUGHT TO WORKSHOP |
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2. |
INSPECT BATTERY |
(a) Measure the battery voltage with the ignition switch off.
Standard voltage:
11 to 14 V
If the voltage is below 11 V, replace or recharge the battery before proceeding to the next step.
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3. |
CHECK CAN COMMUNICATION SYSTEM* |
(a) Using the Techstream, check if the CAN communication system is functioning normally.
HINT:
Refer to CAN Bus Check in CAN Communication System.
Click here .gif)
OK:
CAN communication system is functioning normally.
| NG | .gif) |
GO TO CAN COMMUNICATION SYSTEM |
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4. |
CHECK FOR DTCs* (FORWARD RECOGNITION CAMERA SYSTEM) |
HINT:
Refer to DTC Check / Clear.
Click here
(a) Check for DTCs and note any codes that are output.
(b) Clear the DTCs.
(c) Recheck for DTCs. Try to reproduce the DTCs by duplicating the conditions indicated by the DTCs.
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Result |
Proceed to |
|---|---|
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DTCs are not output |
A |
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DTCs are output |
B |
| B | |
GO TO DTC CHART |
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5. |
PROBLEM SYMPTOMS TABLE |
HINT:
Refer to Problem Symptoms Table.
Click here
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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 | |
GO TO STEP 7 |
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6. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Terminals of ECU
Click here
(b) Data List / Active Test
Click here
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7. |
ADJUST, REPAIR OR REPLACE |
NOTICE:
If the forward recognition camera has been replaced with a new one, it is necessary to perform Forward Recognition Camera Axis Adjustment.
Click here
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8. |
CONFIRMATION TEST |
| NEXT | |
END |
System Diagram
SYSTEM DIAGRAM
Communication Table
Sender
Receiver
Signal
Line
*1: for Vacuum Brake Booster
*2: for Hydraulic Brake Booster
...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
The forward recognition camera is used by multiple systems. If any malfunctions
occur, refer to Problem Symptoms Table of each system.
Dynamic ...
Other materials:
Lost Communication with ECM/PCM "A" Missing Message (U010087)
DESCRIPTION
The engine control unit and the transmission control unit are located inside
the ECM. The engine control unit intercommunicates with the transmission control
unit with the Controller Area Network (CAN).
If there is a problem in this intercommunication, the ECM stores a DTC.
...
Front Occupant Classification Sensor RH Collision Detection (B1786)
DESCRIPTION
DTC B1786 is set when the occupant detection ECU receives a collision detection
signal, which is sent by the front occupant classification sensor RH when an accident
occurs.
DTC B1786 is also set when the front seat with adjuster frame assembly RH is
subjected to a strong impact, ...
A-TRAC Indicator Light does not Come ON
DESCRIPTION
The A-TRAC does not operate even if the A-TRAC switch is pressed under the following
conditions:
The TRAC or VSC system is faulty.
The temperature inside the hydraulic brake booster increases and the
A-TRAC operation is suspended.
WIRING DIAGRAM
Refer to A-TRAC ...
