Toyota Tacoma (2015-2018) Service Manual: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use these procedures to troubleshoot the combination meter.
- *: Use the Techstream.
PROCEDURE
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1. |
VEHICLE BROUGHT TO WORKSHOP |
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2. |
INSPECT BATTERY VOLTAGE |
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding.
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3. |
CHECK CAN COMMUNICATION SYSTEM* |
(a) Use the Techstream to check if the CAN communication system is functioning normally.
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Result |
Proceed to |
|---|---|
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CAN communication DTC is not output |
A |
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CAN communication DTC is output |
B |
| B | .gif) |
GO TO CAN COMMUNICATION SYSTEM |
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4. |
REFER TO PROBLEM SYMPTOMS TABLE |
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Result |
Proceed to |
|---|---|
|
Fault is not listed in Problem Symptoms Table |
A |
|
Fault is listed in Problem Symptoms Table |
B |
| B | |
GO TO STEP 6 |
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5. |
CONDUCT OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Data List/Active Test
Click here .gif)
(b) Terminals of ECU
Click here
(c) On-vehicle Inspection
Click here
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6. |
ADJUST, REPAIR OR REPLACE |
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7. |
CONDUCT CONFIRMATION TEST* |
| NEXT | |
END |
Customize Parameters
CUSTOMIZE PARAMETERS
1. CUSTOMIZE METER / GAUGE SYSTEM
(a) Customizing with the Techstream
(1) Connect the Techstream to the DLC3.
(2) Turn the ignition switch to ON.
(3) Turn the Techstream on.
...
System Description
SYSTEM DESCRIPTION
Text in Illustration
*a
Indication Example
*b
Tachometer
*c
Engine Coolant Temperature Receiver Gauge
...
Other materials:
Initialization
INITIALIZATION
1. ZERO POINT CALIBRATION
NOTICE:
Make sure that the front passenger seat is not occupied before performing the
operation.
HINT:
Perform the zero point calibration and sensitivity check if any of the following
conditions apply.
The occupant detection ECU is replaced. ...
Voice is not Recognized
PROCEDURE
1.
CHECK CONDITION
(a) Check if the system voice recognition level is low when recognizing a particular
voice.
Result
Result
Proceed to
System voice recognition level is low with any voice
A
...
Theft Deterrent System Communication Line High Fixation (B279A,B279A12)
DESCRIPTION
If the communication line (EFIO-IMI) to the transponder key ECU assembly is stuck
high (e.g. shorted to +B), the ECM stores this DTC.
DTC No.
DTC Detection Condition
Trouble Area
DTC Output Confirmation Operation
B279A*1
...
