Toyota Tundra Service Manual: Vehicle Speed Sensor (C1A45)

Toyota Tundra Service Manual / Audio, Visual, Telematics / Park Assist / Monitoring / Blind Spot Monitor System / Vehicle Speed Sensor (C1A45)

DESCRIPTION

The blind spot monitor sensor receives vehicle speed signals from the skid control ECU (brake actuator assembly) via CAN communication.

DTC Code	DTC Detection Condition	Trouble Area
C1A45	A fail flag is transmitted from the skid control ECU (brake actuator assembly).	Vehicle stability control system Blind spot monitor sensor LH Blind spot monitor sensor RH

CAUTION / NOTICE / HINT

NOTICE:

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

PROCEDURE

1.	CHECK DTC (VEHICLE STABILITY CONTROL SYSTEM)

(a) Check for vehicle stability control system DTCs (See page ).

OK:

Vehicle stability control system DTCs are not output.

GO TO VEHICLE STABILITY CONTROL SYSTEM

CHECK DTC

(a) Clear the DTCs (See page ).

(b) Recheck for DTCs and check if the same DTC is output again (See page ).

Result

Result	Proceed to
No DTC is output	A
DTC C1A45 is output ("Blind Spot Monitor Master")	B
DTC C1A45 is output ("Blind Spot Monitor Slave")	C

USE SIMULATION METHOD TO CHECK

REPLACE BLIND SPOT MONITOR SENSOR RH

REPLACE BLIND SPOT MONITOR SENSOR LH

See More:

Toyota Tundra Service Manual > Touch Select 2-4 And High-low System: Diagnosis System
DIAGNOSIS SYSTEM 1. DESCRIPTION The 4 wheel drive control ECU records DTCs when the ECU detects a malfunction in the ECU itself or in system circuits. The DTCs can be read through the DLC3 of the vehicle. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and pe ...

Toyota Tundra Service Manual: Vehicle Speed Sensor (C1A45)

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