Toyota Tacoma (2015-2018) Service Manual: Slave Module Horizontal Axis Misalignment (C1AC2)

Toyota Tacoma (2015-2018) Service Manual / Park Assist / Monitoring / Blind Spot Monitor System / 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 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
C1AC2	When the blind spot monitor sensor deviates 5 degrees or more from the horizontal axis when the system is activated.	Blind spot monitor sensor RH

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 RH (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 RH

Steering Angle Sensor (C1A47)

DESCRIPTION The blind spot monitor sensor receives steering angle signals from the spiral cable with sensor sub-assembly via CAN communication. DTC Code DTC Detection Conditi ...

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 teste ...

Other materials:

Inspection
INSPECTION PROCEDURE 1. INSPECT WATER INLET WITH THERMOSTAT SUB-ASSEMBLY HINT: The valve opening temperature is inscribed on the water inlet with thermostat sub-assembly. (a) Immerse the thermostat in the water, then heat the water gradually. CAUTION: Do not your hands into the wa ...

On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. CHECK FUEL PUMP ASSEMBLY OPERATION (a) Check fuel pressure. (1) Connect the Techstream to the DLC3. (2) Start the engine. (3) Turn the Techstream on. (4) Enter the following menus: Powertrain / Engine / Active Test / Control the Target Fuel Pressure. (5) ...

Theft deterrent system
Engine immobilizer system The vehicle’s keys have built-in transponder chips that prevent the engine from starting if the key has not been previously registered in the vehicle’s on-board computer. Never leave the keys inside the vehicle when you leave the vehicle. The indicator light fl ...