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 |
|
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 .gif)
).
(b) Recheck for DTCs and check if the same DTC is output again.
OK:
No DTCs are output.
| OK | .gif) |
USE SIMULATION METHOD TO CHECK |
|
.gif)
|
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 ).
|
|
3. |
CHECK DTC |
(a) Clear the DTCs (See page ).
(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:
Repair
REPAIR
PROCEDURE
1. STEERING OFF CENTER REPAIR PROCEDURE
(a) Check if the steering wheel is off center.
(1) Apply masking tape to the top center of the steering wheel and upper
steering column cover.
Text in Illustration
*1
Steering Wheel
...
Inspection
INSPECTION
PROCEDURE
1. INSPECT OIL PUMP RELIEF VALVE
(a) Coat the oil pump relief valve with engine oil and check that it
falls smoothly into the valve hole by its own weight.
If the valve does not fall smoothly, replace the timing chain cover assembly.
...
Inspection
INSPECTION
PROCEDURE
1. INSPECT REAR SPEAKER ASSEMBLY (w/o Amplifier Box Speaker Assembly)
(a) Measure the resistance according to the value(s) in the table below.
Standard resistance:
Tester Connection
Condition
Specified Condition
1 - 2
...
