Toyota Tacoma (2015-2018) Service Manual: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use the following procedure to troubleshoot the power door lock control system.
- *: Use the Techstream.
PROCEDURE
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1. |
VEHICLE BROUGHT TO WORKSHOP |
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2. |
CUSTOMER PROBLEM ANALYSIS CHECK |
HINT:
- In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.
- Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.
- The following 5 items are important points for problem analysis:
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What |
Vehicle model, system name |
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When |
Date, time, occurrence frequency |
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Where |
Road conditions |
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Under what conditions? |
Running conditions, driving conditions, weather conditions |
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How did it happen? |
Problem symptoms |
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3. |
INSPECT BATTERY VOLTAGE |
(a) Measure the battery voltage.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
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4. |
CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM* |
(a) Using the Techstream, check for LIN communication system DTCs.
Click here .gif)
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Result |
Proceed to |
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LIN DTCs are not output |
A |
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LIN DTCs are not output |
B |
| B | .gif) |
GO TO LIN COMMUNICATION SYSTEM |
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5. |
CHECK FOR DTC (POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY)*, *1 |
- *1: w/ Jam Protection
(a) Clear the DTCs.
Click here
(b) Recheck for DTCs.
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Result |
Proceed to |
|---|---|
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DTC B2312 is not output |
A |
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DTC B2312 is output |
B |
| B | |
GO TO POWER WINDOW CONTROL SYSTEM |
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6. |
PROBLEM SYMPTOMS TABLE |
(a) 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 9 |
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7. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Terminals of ECU.
Click here
(b) Data List / Active Test.
Click here
(c) Operation Check.
Click here
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8. |
REPAIR OR REPLACE |
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9. |
CONFIRMATION TEST |
| NEXT | |
END |
Customize Parameters
CUSTOMIZE PARAMETERS
1. CUSTOMIZE POWER DOOR LOCK CONTROL SYSTEM
HINT:
The following items can be customized.
NOTICE:
When the customer requests a change in a function, first make sure th ...
Operation Check
OPERATION CHECK
1. CHECK POWER DOOR LOCK OPERATION
NOTICE:
The operation check below is based on the non-customized initial condition of
the vehicle.
(a) Check basic functions.
(1) Check that a ...
Other materials:
Installation
INSTALLATION
PROCEDURE
1. INSTALL VANE PUMP
(a) Install the vane pump assembly with the 2 bolts.
Torque:
21 N·m {214 kgf·cm, 15 ft·lbf}
(b) Connect the oil pressure switch connector.
NOTICE:
Make sure that no oil adheres to the connector.
...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK COMBINATION METER ASSEMBLY
(a) Measure the resistance and voltage according to the value(s) in the table
below.
Terminal No. (Symbol)
Wiring Color
Terminal Description
Condition
Specified Condition
...
Lost Communication with Front Camera Module (U023A)
DESCRIPTION
These DTCs are stored when the CAN communication system is malfunctioning.
DTC No.
DTC Detecting Condition
Trouble Area
U023A
Lost Communication With Image Processing Module"A"
The main body ECU ...
