Toyota Tacoma (2015-2018) Service Manual: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use these procedures to troubleshoot the key reminder warning system.
- *: Use the Techstream.
PROCEDURE
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1. |
VEHICLE BROUGHT TO WORKSHOP |
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.gif)
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2. |
INSPECT BATTERY VOLTAGE |
(a) Check the battery voltage.
Standard voltage:
11 to 14 V
HINT:
If the voltage is below 11 V, recharge or replace the battery before proceeding.
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3. |
CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* |
(a) Use the Techstream to check if the CAN communication system is functioning normally.
Click here .gif)
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Result |
Proceed to |
|---|---|
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DTC is not output |
A |
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DTC is output |
B |
| B | .gif) |
GO TO CAN COMMUNICATION SYSTEM |
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4. |
PROBLEM SYMPTOMS TABLE |
|
Result |
Proceed to |
|---|---|
|
Fault is not listed on Problem Symptoms Table |
A |
|
Fault is listed on Problem Symptoms Table |
B |
| B | |
GO TO STEP 6 |
|
|
5. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Terminals of ECU.
Click here
(b) Data List / Active Test.
Click here
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6. |
REPAIR OR REPLACE |
|
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7. |
CONFIRMATION TEST |
| NEXT | |
END |
System Diagram
SYSTEM DIAGRAM
...
System Description
SYSTEM DESCRIPTION
1. KEY REMINDER WARNING SYSTEM DESCRIPTION
(a) When the driver side door is opened with the ignition key in the ACC or LOCK
position, this system causes the key reminder warning ...
Other materials:
Malfunction of ID-BOX Recognition (B278D)
DESCRIPTION
When the certification ECU (smart key ECU assembly) detects an input signal indicating
that the vehicle is equipped with an ID code box even though the ID code box is
not registered, the certification ECU (smart key ECU assembly) stores this DTC.
DTC Code
DTC ...
Removal
REMOVAL
CAUTION / NOTICE / HINT
NOTICE:
Replace the blind spot monitor sensor if it has been dropped or subjected to
a severe impact.
PROCEDURE
1. REMOVE REAR BUMPER ASSEMBLY (w/ Towing Package)
(See page )
2. REMOVE REAR BUMPER ASSEMBLY (w/o Towing Package)
(See page )
3. REMOVE CONN ...
ACC Signal Circuit
DESCRIPTION
This circuit detects whether the ignition switch is ACC or off, and sends this
information to the main body ECU (multiplex network body ECU).
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing
the fo ...
