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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.gif)
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2. |
CUSTOMER PROBLEM ANALYSIS |
Click here .gif)
(a) Confirm problem symptoms.
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3. |
CHECK CAN COMMUNICATION SYSTEM* |
Click here
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Result |
Proceed to |
|---|---|
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DTCs not output |
A |
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DTCs output |
B |
| B | .gif) |
CHECK CAN COMMUNICATION CIRCUIT |
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4. |
WARNING LIGHT CHECK |
Click here
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5. |
CHECK CHECK (Present and Past DTCs)* |
Click here
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Result |
Proceed to |
|---|---|
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DTCs output |
A |
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DTCs not output |
B |
| B | |
PROBLEM SYMPTOMS TABLE |
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6. |
DTC CHART |
Click here
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7. |
CIRCUIT INSPECTION |
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8. |
REPAIR OR REPLACEMENT |
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9. |
DTC CLEARANCE (Present and Past DTCs)* |
Click here
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10. |
DTC CHECK* |
Click here
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Result |
Proceed to |
|---|---|
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DTCs not output |
A |
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DTCs output |
B |
| B | |
DIAGNOSTIC TROUBLE CODE CHART |
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11. |
CONFIRMATION TEST |
| NEXT | |
END |
System Diagram
SYSTEM DIAGRAM
Transmitting ECU
(Transmitter)
Receiving ECU
Signal
Communication Method
Airbag Sensor Assembly
ECM
...
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 symptoms
are lis ...
Other materials:
Vehicle Speed Tolerance Malfunction (C1AA2)
DESCRIPTION
The forward recognition camera receives vehicle speed tolerance signals from
the combination meter assembly. If the combination meter assembly detects a vehicle
speed tolerance malfunction signal, it informs the forward recognition camera via
CAN communication, and DTC C1AA2 is st ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK ENGINE SWITCH
(a) Measure the resistance and voltage according to the value(s) in the table
below.
Terminal No. (Symbol)
Input/Output
Wiring Color
Terminal Description
Condition
Specified Condition
...
Pressure Control Solenoid "C" Actuator Stuck Off (P07957F)
SYSTEM DESCRIPTION
The ECM uses the vehicle speed signal and signals from the transmission revolution
sensors (NT, SP2) to detect the actual gear (1st, 2nd, 3rd, 4th, 5th or 6th gear).
The ECM compares the actual gear with the shift schedule in the ECM memory to
detect mechanical problems of t ...
