Toyota Tacoma (2015-2018) Service Manual: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
*: Use the Techstream.
PROCEDURE
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1. |
VEHICLE BROUGHT TO WORKSHOP |
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2. |
CUSTOMER PROBLEM ANALYSIS CHECK |
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.
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What |
Vehicle model, system name |
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When |
Date, time, occurrence frequency |
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Where |
Road conditions |
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Under what conditions? |
Running conditions, driving conditions, weather conditions |
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How did it happen? |
Problem symptoms |
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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.
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4. |
INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* |
(a) Check if CAN communication DTCs are output.
Click here .gif)
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Result |
Proceed to |
|---|---|
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CAN communication DTCs are not output |
A |
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CAN communication DTCs are output |
B |
| B | .gif) |
GO TO CAN COMMUNICATION SYSTEM |
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5. |
CHECK FOR DTC* |
HINT:
Refer to DTC Check / Clear.
Click here
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Result |
Proceed to |
|---|---|
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DTCs are not output |
A |
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DTCs are output |
B |
| B | |
GO TO DTC CHART |
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6. |
REFER TO PROBLEM SYMPTOMS TABLE |
HINT:
Refer to Problem Symptoms Table.
Click here
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Result |
Proceed to |
|---|---|
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Malfunctioning parts are not confirmed |
A |
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Malfunctioning parts are confirmed |
B |
| B | |
GO TO STEP 12 |
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7. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
HINT:
Refer to Data List / Active Test.
Click here
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Result |
Proceed to |
|---|---|
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Malfunctioning parts are not confirmed |
A |
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Malfunctioning parts are confirmed |
B |
| B | |
GO TO STEP 12 |
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8. |
CHECK ECM CIRCUIT |
HINT:
Refer to Terminals of ECM.
Click here
| NG | |
GO TO STEP 12 |
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9. |
CHECK FOR INTERMITTENT PROBLEMS |
HINT:
Refer to Symptom Simulation.
Click here
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10. |
CONDUCT PARTS INSPECTION |
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11. |
IDENTIFY PROBLEM |
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12. |
ADJUST AND/OR REPAIR |
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13. |
CONDUCT CONFIRMATION TEST |
| NEXT | |
END |
System Diagram
SYSTEM DIAGRAM
...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
Charging System
Symptom
Suspected Area
See page
Charging System Warning Displayed
Battery
...
Other materials:
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT DRIVER SEAT BELT WARNING LIGHT
HINT:
The seat belt warning light on the combination meter assembly is used for both
the driver seat and front passenger seat.
(a) Turn the ignition switch to ON.
(b) When the driver seat belt is not fastened, check th ...
Unlock Warning Switch
Components
COMPONENTS
ILLUSTRATION
Inspection
INSPECTION
PROCEDURE
1. INSPECT UNLOCK WARNING SWITCH ASSEMBLY
(a) Check the resistance.
(1) Measure the resistance according to the value(s) in the table below.
Text in Illustration
*a
Com ...
Front Blower Motor
Inspection
INSPECTION
PROCEDURE
1. INSPECT BLOWER MOTOR
(a) Inspect the blower motor.
(1) Connect the positive (+) lead from to terminal 1 and negative (-)
lead to terminal 2, then check that the motor operates smoothly.
CAUTION:
Use safety glasses
Do ...
