Toyota Tacoma (2015-2018) Service Manual: Pre-collision System Warning Buzzer
Components
COMPONENTS
ILLUSTRATION
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SKID CONTROL BUZZER |
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Inspection
INSPECTION
PROCEDURE
1. INSPECT SKID CONTROL BUZZER
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(a) Make sure that there is no looseness in the locking part and connecting part of the connector. |
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(b) Disconnect the skid control buzzer connector.
(c) Check the connector and terminals for deformation and corrosion.
OK:
No deformation or corrosion.
(d) Connect a positive (+) lead from the battery to terminal 1, and a negative (-) lead to terminal 2 of the skid control buzzer, and check that the buzzer sounds.
OK:
The skid control buzzer sounds.
If the result is not as specified, replace the skid control buzzer.
Removal
REMOVAL
PROCEDURE
1. REMOVE SKID CONTROL BUZZER
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(a) Disengage the clamp. |
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(b) Disconnect the connector to remove the skid control buzzer.
NOTICE:
If the skid control buzzer has been struck or dropped, replace it with a new one.
Installation
INSTALLATION
PROCEDURE
1. INSTALL SKID CONTROL BUZZER
(a) Connect the connector.
(b) Engage the clamp to install the skid control buzzer.
NOTICE:
If the skid control buzzer has been struck or dropped, replace it with a new one.
HINT:
Make sure to install the skid control buzzer in the correct direction.
ECU Power Source Circuit
DESCRIPTION
This circuit supplies power to the millimeter wave radar sensor assembly when
the ignition switch is ON.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circu ...
Seat
...
Other materials:
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
If a problem occurs in certain locations or at certain times of day,
check for the possibility of wave interference.
When the electrical key transmitter sub-assembly is brought near the
electrical key and TPMS receiver assembly (RF band), front outs ...
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
NOTICE:
When removing any parts, turn the ignition switch off.
HINT:
If no abnormality is found when inspecting parts, check the skid control
ECU and check for poor contact at ground points.
When 2 or more DTCs are detected, perform each circuit insp ...
Open in Front Floor Electrical Key Oscillator Circuit (B27A5)
DESCRIPTION
The certification ECU (smart key ECU assembly) generates a request signal and
transmits the signal to the No. 1 indoor electrical key antenna assembly (front
floor). For the No. 1 indoor electrical key antenna assembly (front floor) to detect
when the electrical key transmitter su ...
