Toyota Tacoma (2015-2018) Service Manual: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use the following procedure to troubleshoot the manual transaxle system.
*: Use the Techstream.
PROCEDURE
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1. |
VEHICLE BROUGHT TO WORKSHOP |
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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 |
(a) Measure the battery voltage.
Standard Voltage:
11 to 14 V
HINT:
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
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4. |
CHECK CAN COMMUNICATION SYSTEM* |
(a) Using the Techstream, check if the CAN communication system is functioning normally.
HINT:
- Refer to CAN Bus Check in CAN Communication System.
Click here
- The ECM is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there are no malfunctions in the CAN communications system.
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Result |
Proceed to |
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CAN communication system DTCs are not output. |
A |
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CAN communication system DTCs are output. |
B |
| B | .gif) |
GO TO CAN COMMUNICATION SYSTEM |
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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. |
SELECT CHECK MODE DIAGNOSIS* |
(a) Refer to Check Mode Procedure.
Click here
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7. |
CHECK FOR DTC* |
(a) Proceed 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 STEP 12 |
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8. |
SYMPTOM SIMULATION |
(a) Refer to Symptom Simulation.
Click here
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9. |
COMPONENT INSPECTION |
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10. |
REPAIR OR REPLACE |
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11. |
CONFIRMATION TEST |
| NEXT | |
END |
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12. |
DIAGNOSTIC TROUBLE CODE CHART |
(a) Proceed to Diagnostic Trouble Code Chart.
Click here
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13. |
CIRCUIT INSPECTION* |
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14. |
IDENTIFICATION OF PROBLEM |
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15. |
REPAIR OR REPLACE |
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16. |
CONFIRMATION TEST |
| NEXT | |
END |
Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS
HINT:
Inspect the vehicle ECM using check mode. Intermittent problems are easier to
detect with the Techstream when the ECM is in check mode. In check mode, the ECM ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
Use the table below to help determine the cause of problem symptoms. If multiple
suspected areas are listed, the potential causes of the symptoms are listed in order
of pro ...
Other materials:
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT CURTAIN SHIELD AIRBAG ASSEMBLY (for Vehicle not Involved in Collision)
(a) Perform a Diagnostic System Check (See page
).
(b) With the curtain shield airbag installed on the vehicle, perform
a visual check. If any of the defects mention ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. CHECK FUEL PUMP ASSEMBLY OPERATION
(a) Check fuel pressure.
(1) Connect the Techstream to the DLC3.
(2) Start the engine.
(3) Turn the Techstream on.
(4) Enter the following menus: Powertrain / Engine / Active Test / Control the
Target Fuel Pressure.
(5) ...
Precaution
PRECAUTION
1. IGNITION SWITCH EXPRESSIONS
(a) The type of ignition switch used on this model differs according to the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ignition Switch (Position)
Engine ...
