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:
Deck Light Relay
Inspection
INSPECTION
PROCEDURE
1. REMOVE DECK LIGHT RELAY
(a) Check the resistance.
(1) Measure the resistance according to the value(s) in the table below.
Standard:
Tester Connection
Condition
Specified Condition
...
Cruise Control Switch Circuit
DESCRIPTION
The cruise control main switch is used to turn the dynamic radar cruise control
system on and off, as well as operate 7 functions: SET, - (COAST), TAP-DOWN, RES
(RESUME), + (ACCEL), TAP-UP and CANCEL.
The SET, TAP-DOWN and - (COAST) functions, and the RES (RESUME), TAP-UP and +
( ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptom
are listed in order of probability in the "Suspected Area" column of the
table. Check each sym ...
