Toyota Tacoma (2015-2018) Service Manual: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- The ECM 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 and multiplex communication 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 |
(a) Refer to the How to Troubleshoot ECU Controlled Systems in Introduction section.
Click here .gif)
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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. |
CONNECT TECHSTREAM TO DLC3* |
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5. |
CHECK AND CLEAR DTCS AND FREEZE FRAME DATA* |
(a) Refer to DTC Check/Clear.
Click here
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6. |
VISUAL INSPECTION |
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7. |
SELECT CHECK MODE DIAGNOSIS* |
(a) Refer to Check Mode Procedure.
Click here
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8. |
PROBLEM SYMPTOM CONFIRMATION |
(a) Refer to Road Test.
Click here
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Result |
Proceed to |
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Symptom does not occur |
A |
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Symptom occurs |
B |
| B | .gif) |
GO TO STEP 10 |
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9. |
SYMPTOM SIMULATION |
(a) Refer to Symptom Simulation.
Click here
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10. |
DTC CHECK* |
(a) Refer to DTC Check/Clear.
Click here
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Result |
Proceed to |
|---|---|
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DTC is not output |
A |
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DTC is output |
B |
| B | |
GO TO STEP 18 |
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11. |
BASIC INSPECTION |
(a) Refer to Park/Neutral Position Switch.
Click here
(b) Refer to Shift Lever Assembly.
Click here
| NG | |
GO TO STEP 21 |
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12. |
MECHANICAL SYSTEM TESTS |
(a) Refer to Mechanical System Tests.
Click here
| NG | |
GO TO STEP 17 |
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13. |
HYDRAULIC TEST |
(a) Refer to Hydraulic Test.
Click here
| NG | |
GO TO STEP 17 |
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14. |
MANUAL SHIFTING TEST |
(a) Refer to Manual Shifting Test.
Click here
| NG | |
GO TO STEP 16 |
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15. |
PROBLEM SYMPTOMS TABLE CHAPTER 1 |
(a) Refer to Problem Symptoms Table.
Click here
| NG | |
GO TO STEP 19 |
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16. |
PROBLEM SYMPTOMS TABLE CHAPTER 2 |
(a) Refer to Problem Symptoms Table.
Click here
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17. |
COMPONENT INSPECTION |
| NEXT | |
GO TO STEP 21 |
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18. |
DTC CHART |
(a) Refer to Diagnostic Trouble Code Chart.
Click here
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19. |
CIRCUIT INSPECTION |
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20. |
IDENTIFICATION OF PROBLEM |
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21. |
REPAIR OR REPLACE |
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22. |
CONFIRMATION TEST |
| NEXT | |
END |
Precaution
PRECAUTION
1. IGNITION SWITCH EXPRESSION
HINT:
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 ...
System Description
SYSTEM DESCRIPTION
1. SYSTEM DESCRIPTION
(a) The Electronic Controlled Automatic Transmission (ECT) is an automatic transmission
that has its shift timing electronically controlled by the ECM. The ...
Other materials:
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
When troubleshooting a vehicle with the diagnosis system, the only difference
from the usual troubleshooting procedure is connecting the Techstream to the vehicle
and reading various data output from the vehicle's skid control ECU (brake actuator
assembly) ...
System Diagram
SYSTEM DIAGRAM
Transmitting ECU (Transmitter)
Receiving ECU
Signal
Communication Method
4 wheel drive control ECU
Skid control ECU (Brake actuator assembly)
High-Low actuator fail
4WD status ...
Removal
REMOVAL
PROCEDURE
1. PRECAUTION
CAUTION:
Be sure to read Precaution thoroughly before servicing (See page
).
NOTICE:
After turning the ignition switch off, waiting time may be required before disconnecting
the cable from the negative (-) battery terminal. Therefore, make sure to read the
...
