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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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 |
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Result |
Proceed to |
|---|---|
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Fault is not listed on Problem Symptoms Table |
A |
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Fault is listed on Problem Symptoms Table |
B |
| B | |
GO TO STEP 6 |
|
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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:
Certification ECU Vehicle Information Reading/Writing Process Malfunction (B15F7)
DESCRIPTION
This DTC is stored when items controlled by the certification ECU (smart key
ECU assembly) cannot be customized via the navigation system vehicle customization
screen.
HINT:
The certification ECU (smart key ECU assembly) controls the smart key system
related items that are custo ...
Check Mode Procedure
CHECK MODE PROCEDURE
1. DESCRIPTION
(a) Check mode has a higher sensitivity to malfunctions and can detect malfunctions
that normal mode cannot detect. Check mode can also detect all the malfunctions
that normal mode can detect. In check mode, DTCs are detected with 1 trip detection
logic.
...
Four Wheel Drive (4WD) Low Switch Circuit Range / Performance (P2772)
DESCRIPTION
This DTC is output when a malfunction in the L4 detection switch is detected.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
P2772
Four Wheel Drive (4WD) Low Switch Circuit Range / Performance
...
