Toyota Tacoma (2015-2018) Service Manual: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use these procedures to troubleshoot the rear view monitor system.
PROCEDURE
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1. |
VEHICLE BROUGHT TO WORKSHOP |
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2. |
CUSTOMER PROBLEM ANALYSIS |
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3. |
CHECK DTC |
(a) Check for DTCs and note any codes that are output.
Click here .gif)
(b) Clear the DTCs.
Click here
(c) Recheck for DTCs.
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Result |
Proceed to |
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DTC is not output |
A |
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DTC is output |
B |
| B | .gif) |
GO TO DIAGNOSTIC TROUBLE CODE CHART |
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4. |
PROBLEM SYMPTOM CONFIRMATION |
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5. |
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 7 |
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6. |
BASED ON PROBLEM SYMPTOM, PERFORM TROUBLESHOOTING BELOW |
(a) Terminals of ECU.
Click here
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7. |
ADJUST, REPAIR OR REPLACE |
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8. |
CONFIRMATION TEST |
| NEXT | |
END |
System Diagram
SYSTEM DIAGRAM
...
System Description
SYSTEM DESCRIPTION
1. GENERAL
(a) To assist the driver with parking the vehicle by displaying an image of the
area behind the vehicle, this system has a rear television camera assembly mounted
o ...
Other materials:
Driver Side Seat Heater does not Operate
DESCRIPTION
When the seat heater switch on the air conditioning control assembly is operated,
the air conditioning amplifier assembly receives the signal. The air conditioning
amplifier assembly receives the signal and operates the front seat heater.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
...
Open in Occupant Classification ECU Battery Positive Line (B1794)
DESCRIPTION
DTC B1794 is set when a malfunction is detected in the occupant detection ECU.
DTC No.
DTC Detections Conditions
Trouble Areas
B1794
Occupant detection ECU circuit malfunction
Occupant detection ECU malfuncti ...
GPS Mark is not Displayed
PROCEDURE
1.
CHECK CABIN
(a) Check the cabin for any object that might interrupt radio reception or additional
devices which use radio waves on the instrument panel. If such an object exists,
remove it and check if the GPS mark reappears.
HINT:
The GPS uses ex ...
