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:
Operation Check
OPERATION CHECK
1. CHECK WINDOW LOCK FUNCTION
(a) Turn the ignition switch ON.
(b) Press the window lock switch of the power window regulator master switch
assembly.
HINT:
The illumination (LED) built into the switch knob of each seat does not turn
off.
(c) Check that the power window fo ...
Fail-safe Chart
FAIL-SAFE CHART
If there is a problem with sensor signals or actuator systems, the skid
control ECU prohibits power supply to the brake actuator assembly and informs
the ECM of a VSC system malfunction.
The brake actuator assembly turns off the solenoids and the ECM stops
its ...
Components
COMPONENTS
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
*A
w/ Seat Heater System
-
-
*1
FRONT SEAT CUSHION HEATER ASSEMBLY
*2
FRONT SEATBACK HEATER ASSEMBLY
...
