Toyota Tundra Service Manual: Master Module Horizontal Axis Misalignment (C1AC1)

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 a drum tester such as a speedometer tester, brake/speedometer combination tester or chassis dynamometer is used with the blind spot monitor system on, the blind spot monitor sensor may store this DTC by mistake.
• When mud, snow, ice, a sticker, etc. is covering the sensor or its surrounding area on the rear bumper, the blind spot monitor sensor may store this DTC by mistake.

CAUTION / NOTICE / HINT

NOTICE:

• When checking for DTCs, make sure that the blind spot monitor system is turned 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.

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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

(a) Check the condition of the rear bumper around the blind spot monitor sensors.

HINT:

When mud, snow, ice, a sticker, etc. is covering the sensor or its surrounding area on the rear bumper, the blind spot monitor sensor may store this DTC by mistake.

B

GO TO STEP 3

A

(a) Clean the rear bumper.

(b) Perform Blind Spot Monitor Beam Axis Confirmation using the Techstream.

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NOTICE:

Before replacing the blind spot monitor sensor RH, visually check for damage to the stud bolts or area surrounding the blind spot monitor sensor RH.

If there is any damage to the stud bolts or area surrounding the blind spot monitor sensor RH, perform Blind Spot Monitor Sensor Installation Condition Inspection and adjust according to the result.

OK

END

NG

REPLACE BLIND SPOT MONITOR SENSOR RH

(a) Check the installation condition of the blind spot monitor sensor RH.

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OK:

The blind spot monitor installation position is within the specified range

OK

GO TO STEP 5

NG

(a) Adjust the installation position of the blind spot monitor sensor RH.

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NEXT

(a) Perform Blind Spot Monitor Beam Axis Confirmation using the Techstream.

Click here

OK

END

NG

REPLACE BLIND SPOT MONITOR SENSOR RH