Toyota Tacoma 2015-2018 Service Manual: Master Module Horizontal Axis Misalignment (C1AC1)
DESCRIPTION
This DTC is stored when the angle of the blind spot monitor sensor LH deviates more than the allowable range from the horizontal axis.
HINT:
If drum tester such as a speedometer tester, brake/speedometer combination tester or chassis dynamometer is used with the blind spot monitor main switch assembly (warning canceling switch assembly) on, the blind spot monitor system may store this DTC by mistake.
|
DTC Code |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
C1AC1 |
When the blind spot monitor sensor deviates 5 degrees or more from the horizontal axis when the system is activated. |
Blind spot monitor sensor LH |
CAUTION / NOTICE / HINT
NOTICE:
- When checking for DTCs, make sure that the blind spot monitor main switch (warning canceling switch assembly) is on.
- If the bumper is damaged or the vehicle has a history of body repair,
there is a possibility that the installation area of the blind spot monitor
sensor may be deformed and the blind spot monitor sensor system may not
operate correctly, so visually inspect the blind spot monitor sensor installation
area (frame, stud bolt) to make sure it is not dented or bent.
Click here
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If the visual inspection finds a problem, check the installation condition of the blind spot monitor sensor, and adjust the installation position of the blind spot monitor sensor as necessary.
PROCEDURE
|
1. |
CHECK INSTALLATION CONDITION |
(a) Check the installation condition of the blind spot monitor sensor LH (See
page ).
HINT:
Take the appropriate action in accordance with the result.
|
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|
2. |
PERFORM BEAM AXIS CONFIRMATION |
(a) Install the rear bumper.
- w/ Towing Package (See page )
- w/o Towing Package (See page )
(b) Perform Blind Spot Monitor Beam Axis Confirmation using the Techstream (See
page ).
OK:
Blind Spot Monitor Beam Axis Confirmation performs normally.
| OK | .gif) |
END |
| NG | |
REPLACE BLIND SPOT MONITOR SENSOR LH |
Slave Module Horizontal Axis Misalignment (C1AC2)
DESCRIPTION
This DTC is stored when the angle of the blind spot monitor sensor RH deviates
more than the allowable range from the horizontal axis.
HINT:
If drum tester such as a speedometer teste ...
Main Switch Circuit
DESCRIPTION
When the blind spot monitor main switch assembly (warning canceling switch assembly)
is turned on, a signal is sent to the blind spot monitor sensor LH. The blind spot
monitor system ...
Other materials:
Diagnosis System
DIAGNOSIS SYSTEM
1. DIAGNOSIS
(a) If the skid control ECU (master cylinder solenoid) detects a malfunction,
the ABS and/or BRAKE warning lights and the slip indicator lights come on in accordance
with the trouble area to warn the driver.
HINT:
The DTCs are simultaneously stored in th ...
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 sy ...
Front Left Seat Heat Sensor Circuit (B14C1)
DESCRIPTION
Output to the front seat cushion heater assembly LH temperature sensor stops
if one of the following occurs: 1) the temperature sensor is open or shorted; or
2) the temperature sensor is damaged and its output value does not change.
DTC Code
DTC Detection Cond ...