Toyota Tacoma (2015-2018) Service Manual: Master Module Horizontal Axis Misalignment (C1AC1)

Toyota Tacoma (2015-2018) Service Manual / Park Assist / Monitoring / Blind Spot Monitor System / 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

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: HINT: ).

HINT:

Take the appropriate action in accordance with the result.

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: OK: ).

OK:

Blind Spot Monitor Beam Axis Confirmation performs normally.

END

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:

Precaution
PRECAUTION CAUTION: The vehicle is equipped with SRS, which consists of a driver airbag, front passenger airbag, side airbags and curtain shield airbags and knee airbags. Failure to carry out service operations in the correct sequence could cause the SRS to unexpectedly deploy ...

Adjustment
ADJUSTMENT CAUTION / NOTICE / HINT HINT: Use the same procedures for both the LH and RH sides. The procedure described below is for the LH side. Centering bolts are used to mount the door hinge to the vehicle body and door. The door cannot be adjusted with the centering bolts ...

Removal
REMOVAL PROCEDURE 1. REMOVE FRONT DOOR SCUFF PLATE LH for Double Cab: Click here for Access Cab: Click here 2. REMOVE COWL SIDE TRIM BOARD LH Click here 3. REMOVE INSTRUMENT CLUSTER CENTER FINISH PANEL SUB-ASSEMBLY Click here 4. REMOVE INSTRUMENT CLUSTER FINISH PANEL ASSEMBLY Cli ...