Toyota Tacoma (2015-2018) Service Manual: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use the following procedure listed to troubleshoot the touch select 2-4 and high-low system.
- *: Use the Techstream.
PROCEDURE
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1. |
VEHICLE BROUGHT TO WORKSHOP |
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.gif)
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2. |
CUSTOMER PROBLEM ANALYSIS |
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3. |
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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4. |
CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* |
(a) Use the Techstream to check if the CAN communication system is functioning normally.
Click here .gif)
HINT:
The ECU of this system is connected to the CAN communication system.
Therefore, before starting troubleshooting, make sure to check that there is no trouble in the CAN communication system.
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Result |
Proceed to |
|---|---|
|
CAN DTCs are not output |
A |
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CAN DTCs are output |
B |
| B | .gif) |
CHECK CAN COMMUNICATION SYSTEM |
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5. |
CHECK DTC AND FREEZE FRAME DATA* |
(a) Check for DTCs.
Click here
(b) Check for freeze frame data.
HINT:
Record or print DTCs and freeze frame data if necessary.
(c) Clear the DTCs and freeze frame data.
Click here
(d) Recheck for DTCs.
Click here
(1) Simulate the malfunction condition and check if the DTCs are output again.
|
Result |
Proceed to |
|---|---|
|
DTCs are not output |
A |
|
DTCs are output |
B |
| B | |
GO TO STEP 10 |
|
|
6. |
PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table.
Click here
|
Result |
Proceed to |
|---|---|
|
Fault not listed in problem symptoms table |
A |
|
Fault listed in problem symptoms table |
B |
| B | |
GO TO STEP 8 |
|
|
7. |
OVERALL ANALYSIS AND TROUBLESHOOTING |
(a) Terminals of ECU.
Click here
(b) Data List / Active Test.
Click here
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8. |
REPAIR OR REPLACE |
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9. |
CONFIRM TEST |
| NEXT | |
END |
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10. |
GO TO DTC CHART |
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11. |
REPAIR OR REPLACE |
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12. |
CONFIRM TEST |
| NEXT | |
END |
Precaution
PRECAUTION
1. IGNITION SWITCH EXPRESSION
(a) The type of ignition switch used on this model differs depending on the specifications
of the vehicle.
The expressions listed in the table below are u ...
System Description
SYSTEM DESCRIPTION
1. DESCRIPTION
A part-time 2-speed VF2CM transfer uses a touch select 2-4 and high-low
system, enabling the driver to switch between 2WD, H4 and L4 modes by turning
...
Other materials:
Check Bus 2 Line for Short to +B
DESCRIPTION
There may be a short circuit between one of the CAN bus lines and +B when no
resistance exists between terminal 18 (CA4H) of the central gateway ECU (network
gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 17 (CA4L) of the central
gateway ECU (network gateway ECU) and ...
Wireless remote control*
The wireless remote control can be used to lock and unlock the vehicle from outside
the vehicle.
Locks all doors
Unlocks all doors
Pressing the button unlocks the driver’s door. Pressing the button again within
3 seconds unlocks the other doors.
Sounds alarm (push and hold)
■Op ...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful because intermittent conditions or signals ...
