Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: 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 Condition

Trouble Area

C1A47

A fail flag is transmitted from the steering sensor

  • Spiral cable with sensor sub-assembly
  • 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

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

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

OK:

No DTCs are output.

OK

USE SIMULATION METHOD TO CHECK

NG

2.

REPLACE SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY

(a) Replace the spiral cable with sensor sub-assembly with a new or normally functioning one (See page ).

NEXT

3.

CHECK DTC

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

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

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

END (SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY WAS DEFECTIVE)

B

REPLACE BLIND SPOT MONITOR SENSOR LH

C

REPLACE BLIND SPOT MONITOR SENSOR RH

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 ...

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 teste ...

Other materials:

ACC Monitor Malfunction (B2274)
DESCRIPTION This DTC is stored when a malfunction in the ACC output circuit is detected. The ACC output circuit is the circuit that goes from the ACC output terminal of the certification ECU (smart key ECU assembly) to the ACC relay. HINT: When the cable is disconnected and reconnected to the ...

Removal
REMOVAL PROCEDURE 1. REMOVE REAR SEAT ASSEMBLY LH (for Double Cab) Click here 2. REMOVE REAR SEAT ASSEMBLY RH (for Double Cab) Click here 3. REMOVE REAR DOOR SCUFF PLATE LH (for Double Cab) Click here 4. REMOVE REAR DOOR SCUFF PLATE RH (for Double Cab) HINT: Use the same procedure ...

Fail-safe Chart
FAIL-SAFE CHART 1. FAIL-SAFE FUNCTION (a) When communication fails in any of the CAN bus lines (communication lines), a fail-safe function(s) will operate. The fail-safe function that is specified for each system operates to prevent those systems from malfunctioning. (b) The following table s ...

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