Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: 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 main switch assembly (warning canceling switch assembly) is on.

PROCEDURE

1.

CHECK DTC (VEHICLE STABILITY CONTROL SYSTEM)

(a) Check for vehicle stability control system DTCs.

  • for Hydraulic Brake Booster (See page for Vacuum Brake Booster (See page for Vacuum Brake Booster (See page )
  • for Vacuum Brake Booster (See page ) )

OK:

Vehicle stability control system DTCs are not output.

Result

Result

Proceed to

OK

A

NG (for Hydraulic Brake Booster)

B

NG (for Vacuum Brake Booster)

C

B

GO TO VEHICLE STABILITY CONTROL SYSTEM

C

GO TO VEHICLE STABILITY CONTROL SYSTEM

A

2.

CHECK DTC

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

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

Result

Result

Proceed to

No DTC is output

A

DTC is output from the blind spot monitor sensor LH (master)

B

DTC is output from the blind spot monitor sensor RH (slave)

C

A

USE SIMULATION METHOD TO CHECK

B

REPLACE BLIND SPOT MONITOR SENSOR LH

C

REPLACE BLIND SPOT MONITOR SENSOR RH

Short to +B in Outer Mirror Indicator(Slave) (C1AB1)
DESCRIPTION This DTC is stored when the blind spot monitor sensor RH detects a +B short in the blind spot monitor indicator RH. DTC Code DTC Detection Condition Tr ...

Short to +B in Outer Mirror Indicator(Master) (C1AB0)
DESCRIPTION This DTC is stored when the blind spot monitor sensor LH detects a +B short in the blind spot monitor indicator LH. DTC Code DTC Detection Condition Tr ...

Other materials:

System Description
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Test Mode Procedure
TEST MODE PROCEDURE 1. TEST MODE (SIGNAL CHECK MODE) PROCEDURE HINT: When entering test mode (signal check mode), the tire pressure warning ECU and receiver stores all the test mode (signal check mode) DTCs first. After the tire pressure warning ECU and receiver completes the signa ...

Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each sy ...

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