Toyota Tacoma (2015-2018) Service Manual: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use the following procedure to troubleshoot the intuitive parking assist system.
- *: Use the Techstream.
PROCEDURE
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1. |
VEHICLE BROUGHT TO WORKSHOP |
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2. |
CUSTOMER PROBLEM ANALYSIS |
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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. |
CHECK CAN COMMUNICATION SYSTEM* |
(a) Use the Techstream to check if the CAN communication system is functioning normally.
Click here .gif)
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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. |
PROBLEM SYMPTOM CONFIRMATION |
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6. |
CHECK DTC* |
(a) Check for DTCs.
Click here
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Result |
Proceed to |
|---|---|
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DTCs are output |
A |
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DTCs are not output (Problem symptom does not occur) |
B |
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DTCs are not output (Problem symptom occurs) |
C |
| B | |
GO TO STEP 8 |
| C | |
GO TO STEP 9 |
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7. |
DIAGNOSTIC TROUBLE CODE CHART |
(a) Refer to Diagnostic Trouble Code Chart.
Click here
| NEXT | |
GO TO STEP 11 |
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8. |
SYMPTOM SIMULATION |
(a) Refer to Symptom Simulation.
Click here
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9. |
PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table.
Click here
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Result |
Proceed to |
|---|---|
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Fault is not listed in Problem Symptoms Table |
A |
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Fault is listed in Problem Symptoms Table |
B |
| B | |
GO TO STEP 11 |
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10. |
OVERALL ANALYSIS AND TROUBLESHOOTING |
(a) Operation Check
Click here
(b) Terminals of ECU
Click here
(c) Data List / Active Test
Click here
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11. |
CIRCUIT INSPECTION* |
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12. |
IDENTIFICATION OF PROBLEM |
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13. |
REPAIR OR REPLACE |
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14. |
CONFIRMATION TEST* |
| NEXT | |
END |
System Diagram
SYSTEM DIAGRAM
Communication Table
Sender
Receiver
Signal
Line
Main Body ECU
(Multiplex Network Body ECU)
Clearance Warn ...
System Description
SYSTEM DESCRIPTION
1. GENERAL
(a) This system uses ultrasonic sensors to detect any obstacles at the corners
and the rear of the vehicle. The system then informs the driver of the distance
betwe ...
Other materials:
System Diagram
SYSTEM DIAGRAM
1. OVERALL CAN BUS DIAGRAM
(a) The CAN communication system is composed of 4 buses.
CAN Main Bus Line
Terminating Resistor
CAN Branch Line
*
Gateway Function Equipped ECU
...
Antenna Coil Open / Short (B2784)
DESCRIPTION
When an open or short circuit is detected in the transponder key amplifier coil
built into the engine switch, the certification ECU (smart key ECU assembly) stores
this DTC. This DTC is also stored as a past DTC.
DTC Code
DTC Detection Condition
Tro ...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful because intermittent conditions or signals ...
