Toyota Tacoma (2015-2018) Service Manual: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- The wireless door lock control system troubleshooting procedure is based on the premise that the power door lock control system is operating normally. Check the power door lock control system first before troubleshooting the wireless door lock control system. Use this procedure to troubleshoot the wireless door lock control system.
- *: Use the Techstream.
PROCEDURE
|
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
.gif)
|
2. |
CUSTOMER PROBLEM ANALYSIS |
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 in the problem analysis:
|
What |
Vehicle model, system name |
|
When |
Date, time, occurrence frequency |
|
Where |
Road conditions |
|
Under what conditions? |
Running conditions, driving conditions, weather conditions |
|
How did it happen? |
Problem symptoms |
|
|
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.
|
|
4. |
INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* |
(a) Use the Techstream to check if the CAN communication system is functioning normally.
Click here .gif)
|
Result |
Proceed to |
|---|---|
|
DTC is not output |
A |
|
DTC is output |
B |
| B | .gif) |
GO TO CAN COMMUNICATION SYSTEM |
|
|
5. |
CHECK DTC OUTPUT (WIRELESS DOOR LOCK CONTROL SYSTEM) |
(a) Clear the DTCs.
Click here
(b) Recheck for DTCs.
|
Result |
Proceed to |
|---|---|
|
DTC is not output |
A |
|
DTC is output |
B |
| B | |
GO TO DIAGNOSTIC TROUBLE CODE CHART |
|
|
6. |
PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table.
Click here
|
Result |
Proceed to |
|---|---|
|
Fault is not listed in Problem Symptoms Table. |
A |
|
Fault is listed in Problem Symptoms Table. |
B |
| B | |
GO TO STEP 8 |
|
|
7. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Operation Check
Click here
(b) Terminals of ECU
Click here
(c) Data List / Active Test
Click here
|
|
8. |
REPAIR OR REPLACE |
|
|
9. |
CONFIRMATION TEST |
| NEXT | |
END |
Precaution
PRECAUTION
1. PRECAUTIONS WHEN USING TECHSTREAM
(a) When using the Techstream with the engine switch off to troubleshoot:
Connect the Techstream to the vehicle, and turn a courtesy light switch on ...
System Description
SYSTEM DESCRIPTION
1. WIRELESS DOOR LOCK CONTROL SYSTEM
The wireless door lock control system can be used to lock and unlock all doors
from a distance. The system is controlled by an electrical ke ...
Other materials:
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
NOTICE:
When removing any parts, turn the ignition switch off.
HINT:
If no abnormality is found when inspecting parts, check the skid control
ECU and check for poor contact at ground points.
When 2 or more DTCs are detected, perform each circuit insp ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
(a) Disconnect the 1D and 1F driver side junction block connectors.
(b) Measure the voltage and resistance according to the value(s) in the table
below.
HINT:
Measure the values on the wire harness side with the connectors ...
Components
COMPONENTS
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
...
