Toyota Tacoma (2015-2018) Service Manual: 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 listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Entire System|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
System does not operate at all (both the blind spot monitor function and rear cross traffic alert function do not operate) |
Proceed to "Power Source Circuit" |
|
|
Proceed to "Main Switch Circuit" |
|
|
|
Blind spot monitor sensor LH |
|
|
|
System cannot be turned off |
Proceed to "Main Switch Circuit" |
|
|
Blind spot monitor sensor LH |
|
|
|
"BSM not available" or "Check BSM system" is displayed on the multi-information display |
Check abnormality history |
|
|
Blind spot monitor sensor RH |
|
|
|
Blind spot monitor sensor LH |
|
|
|
Combination meter assembly |
|
|
|
"Check BSM system" is displayed on the multi-information display |
Check abnormality history |
|
|
Blind spot monitor sensor RH |
|
|
|
Blind spot monitor sensor LH |
|
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|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Outer rear view mirror indicator RH does not illuminate |
Proceed to "Blind Spot Monitor Beam Axis Confirmation" |
|
|
Outer rear view mirror RH (blind spot monitor indicator RH) |
|
|
|
Outer rear view mirror assembly RH |
|
|
|
Blind spot monitor sensor RH |
|
|
|
Outer rear view mirror indicator LH does not illuminate |
Proceed to "Blind Spot Monitor Beam Axis Confirmation" |
|
|
Outer rear view mirror LH (blind spot monitor indicator LH) |
|
|
|
Outer rear view mirror assembly LH |
|
|
|
Blind spot monitor sensor LH |
|
|
|
Outer rear view mirror indicator RH remains illuminated |
Proceed to "Blind Spot Monitor Beam Axis Confirmation" |
|
|
Blind spot monitor sensor RH |
|
|
|
Outer rear view mirror indicator LH remains illuminated |
Proceed to "Blind Spot Monitor Beam Axis Confirmation" |
|
|
Blind spot monitor sensor LH |
|
|
|
Outer rear view mirror indicator RH does not flash |
Proceed to "Turn Signal Light" in Problem Symptoms Table for the Lighting section |
|
|
Blind spot monitor sensor RH |
|
|
|
Outer rear view mirror indicator LH does not flash |
Proceed to "Turn Signal Light" in Problem Symptoms Table for the Lighting section |
|
|
Blind spot monitor sensor LH |
|
|
|
Outer rear view mirror indicator RH continues to flash |
Blind spot monitor sensor RH |
|
|
Outer rear view mirror indicator LH continues to flash |
Blind spot monitor sensor LH |
|
|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Function does not operate at all (the blind spot monitor function operates normally) |
Data List / Active Test (Reverse) |
|
|
Automatic transmission system (for AC60F (for 2GR-FKS)) |
|
|
|
Automatic transmission system (for AC60F (for 2TR-FE)) |
|
|
|
Automatic transmission system (for AC60E (for 2GR-FKS)) |
|
|
|
Automatic transmission system (for AC60E (for 2TR-FE)) |
|
|
|
Back-up light switch (for RC62F) |
|
|
|
Blind spot monitor sensor LH |
|
Operation Check
OPERATION CHECK
1. BLIND SPOT MONITOR BEAM AXIS INSPECTION
(a) Procedure to enter Test Mode
(1) Connect the Techstream to the DLC3.
(2) Turn the ignition switch to ON.
(3) Turn the blind spot mon ...
Terminals Of Ecu
TERMINALS OF ECU
1. BLIND SPOT MONITOR SENSOR LH (MASTER)
Terminal No.
(Symbol)
Wiring Color
Terminal Description
Condition
Specified Cond ...
Other materials:
Evaporator Temperature Sensor Circuit (B1413)
DESCRIPTION
The cooler thermistor sensor (evaporator temperature sensor) is installed on
the evaporator in the air conditioner unit to detect the temperature of the cooled
air that has passed through the evaporator and is used to control the air conditioning.
It sends signals to the air condi ...
Central Gateway ECU Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
Central Gateway ECU Communication Stop Mode
Communication system DTCs (DTCs that start with U) that correspond to
"Central Gateway ECU Communication Stop Mode" in "DTC Com ...
Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS
1. CHECK FOR INTERMITTENT PROBLEMS
HINT:
A momentary interruption (open circuit) in the connectors and/or wire harnesses
between the sensors and ECUs can be detected using the ECU Data List function of
the Techstream.
(a) Turn the ignition switch off.
(b) Con ...
