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:
Transmission Fluid Temperature Sensor "A" Performance (P0711)
DESCRIPTION
The No. 1 ATF temperature sensor converts the fluid temperature into a resistance
value for use by the ECM.
The ECM applies a voltage to the temperature sensor through terminal THO1 of
the ECM.
The sensor resistance changes with the ATF temperature. As the temperature becomes
hi ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT REFRIGERANT PRESSURE
(a) This method uses a refrigerant recovery unit set to locate problem areas.
Read the refrigerant pressure when the test conditions are established.
Test conditions:
Temperature at the air inlet with the air recirculation ...
Entire Combination Meter does not Operate
DESCRIPTION
This circuit is the power source circuit for the meter. This circuit provides
two types of power sources, one is a constant power source mainly used as a backup
power source, and the other is an IG power source mainly used for signal transmission.
The constant power source is main ...
