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:

System Description
SYSTEM DESCRIPTION 1. GENERAL (a) The air conditioning system has the following controls. Control Outline Manual Control The air conditioner amplifier assembly controls the damper positions (air inlet control damper, air mix control damper and ...

Removal
REMOVAL PROCEDURE 1. PRECAUTION NOTICE: After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before pr ...

Tire Position Not Identified
DESCRIPTION The tire pressure warning ECU and receiver identifies the tire position for each tire pressure warning valve and transmitter according to the wheel speed signals from the skid control ECU and acceleration rate signal from each acceleration sensor built into each tire pressure warn ...