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:
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / (desired system) / Trouble Codes.
(e) Check the details of the DTC(s) (See page
).
2. CLEAR DTC
(a) Connec ...
Lost Communication with ECM / PCM "A" (U0100,U0129,U0142,U0151,U0163,U023A,U1104)
DESCRIPTION
The combination meter communicates with the ECM, skid control ECU, power steering
ECU, main body ECU (multiplex network body ECU), airbag sensor assembly, navigation
receiver assembly*1, radio and display receiver assembly*2, Forward recognition
camera*3 and Millimeter wave radar ...
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE STEERING GEAR OUTLET RETURN TUBE
(a) Using a union nut wrench, remove the steering gear outlet return tube.
2. REMOVE STEERING TURN PRESSURE TUBE
(a) Using a union nut wrench, remove the 2 pressure tubes.
(b) Remove the 4 O-rings from the pressure tubes.
3. ...