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:
VSC OFF Indicator Light Remains ON
DESCRIPTION
In 2WD mode:
Operation of the VSC OFF switch changes the vehicle between normal mode,
TRAC OFF mode (AUTO LSD mode) and VSC OFF mode. During normal mode, pressing
the VSC OFF switch for a short amount of time changes the vehicle to TRAC
OFF mode (AUTO LSD mode), TR ...
Crankshaft Position Sensor "A" Signal Stuck in Range (P03352A,P033531)
DESCRIPTION
The crankshaft position sensor system consists of a crankshaft position sensor
plate and a pickup coil. The crankshaft position sensor plate has 34 teeth and is
installed to the crankshaft. The pickup coil is made of wound copper wire, an iron
core and a magnet. The crankshaft pos ...
Engine does not Start
DESCRIPTION
When the key is in the vehicle and the engine switch is pressed, the certification
ECU (smart key ECU assembly) receives a signal and changes the power source mode.
In addition, when the shift lever is in P or N and the brake pedal is depressed,
the engine can be started by pressi ...
