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:

Freeze Frame Data
FREEZE FRAME DATA 1. FREEZE FRAME DATA (a) Whenever a meter DTC is detected, the combination meter assembly stores the current vehicle state as freeze frame data. 2. CHECK FREEZE FRAME DATA (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream on ...

Air Outlet Damper Control Servo Motor Circuit (B1443/43)
DESCRIPTION This No. 1 air conditioning radiator damper servo sub-assembly (for mode switching) is controlled by the air conditioning amplifier assembly and moves the mode damper to the desired position. DTC No. DTC Detection Condition Trouble Area ...

Disassembly
DISASSEMBLY CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The following procedure is for the LH side. When removing the No. 2 front wheel opening extension pad or No. 1 front wheel opening extension pad or front wheel opening extension pad, ...

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