DTC C1295, C1307, C1441, C1442, C1443, C1444, C144A, C144B, C144C, C144D [BCM]

id0902f5841200

DTC

C1295

Steering wheel angle sensor internal fault

C1307

Steering wheel angle sensor encoder ring defective

C1441

Steering phase A circuit signal is not sensed

C1442

Steering phase B circuit signal is not sensed

C1443

Steering phase A circuit short to ground

C1444

Steering phase B circuit short to ground

C144A

Steering phase C circuit short to ground

C144B

Steering phase Z circuit short to ground

C144C

Steering phase C circuit signal is not sensed

C144D

Steering phase Z circuit signal is not sensed
DETECTION CONDITION
C1295
•  BCM detects steering angle sensor internal abnormality (signal overflow)
C1307
•  BCM detects steering angle sensor internal abnormality (signal jump)
C1441, C1442, C144C, C144D
•  Open circuit in wiring harness between BCM and steering angle sensor
C1443, C1444, C144A, C144B
•  Short to GND in wiring harness between BCM and steering angle sensor
POSSIBLE CAUSE
•  Excessive grease is adhering to solid disc for steering angle detection
•  Improper installation or positioning of the steering angle sensor
•  Steering wheel is off-center
•  Open circuit in wiring harness between BCM terminal 3V and steering angle sensor terminal F
•  Open circuit or short to power supply in wiring harness between BCM terminal 3W and steering angle sensor terminal A
•  Open circuit or short to power supply in wiring harness between BCM terminal 3S and steering angle sensor terminal C
•  Open circuit or short to power supply in wiring harness between BCM terminal 3T and steering angle sensor terminal E
•  Open circuit or short to power supply in wiring harness between BCM terminal 3X and steering angle sensor terminal D
•  Open circuit in wiring harness between BCM terminal 3N and steering angle sensor terminal B
•  Short to GND in wiring harness between BCM terminal 3V and steering angle sensor terminal F
•  Short to GND in wiring harness between BCM terminal 3W and steering angle sensor terminal A
•  Short to GND in wiring harness between BCM terminal 3S and steering angle sensor terminal C
•  Short to GND in wiring harness between BCM terminal 3T and steering angle sensor terminal E
•  Short to GND in wiring harness between BCM terminal 3X and steering angle sensor terminal D
•  Steering angle sensor signal circuit short each other
•  Steering angle sensor malfunction
•  BCM malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION
1
INSPECT SOLID DISC FOR STEERING ANGLE DETECTION
•  Visually inspect the solid disc for the steering angle detection.
•  Is excessive grease adhering?
Yes
Wipe off excessive grease using a cloth, then go to Step 10.
No
Go to the next step.
2
INSPECT STEERING WHEEL FOR OFF-CENTER
•  Drive the vehicle and inspect the steering wheel position while driving in a straight line.
•  Is the steering wheel off-center?
Yes
Inspect and adjust the front wheel alignment to correct the steering wheel alignment, then go to Step 10.
(See FRONT WHEEL ALIGNMENT.)
No
Go to the next step.
3
INSPECT STEERING ANGLE SENSOR POWER SUPPLY CIRCUIT FOR OPEN
•  Turn the ignition switch to the ON position.
•  Measure the voltage between the steering angle sensor terminal F and body GND.
•  Is the voltage 5 V?
Yes
Go to the next step.
No
Repair or replace the wiring harness, then go to Step 10.
4
INSPECT STEERING ANGLE SENSOR GND CIRCUIT FOR OPEN
•  Turn the ignition switch off.
•  Disconnect the steering angle sensor connector.
•  Inspect for continuity between the steering angle sensor terminal B (wiring harness-side) and body GND.
•  Is there continuity?
Yes
Go to the next step.
No
Repair or replace the wiring harness, then go to Step 10.
5
INSPECT STEERING ANGLE SENSOR SIGNAL CIRCUIT FOR OPEN
•  Disconnect the BCM connector.
•  Inspect for continuity between the following terminals:
―  BCM terminal 3W—steering angle sensor terminal A (wiring harness-side)
―  BCM terminal 3S—steering angle sensor terminal C (wiring harness-side)
―  BCM terminal 3T—steering angle sensor terminal E (wiring harness-side)
―  BCM terminal 3X—steering angle sensor terminal D (wiring harness-side)
•  Is there continuity?
Yes
Go to the next step.
No
Repair or replace the wiring harness, then go to Step 10.
6
INSPECT STEERING ANGLE SENSOR SIGNAL CIRCUIT FOR SHORT TO GND
•  Inspect for continuity between the following terminals and body GND:
―  Steering angle sensor terminal A (wiring harness-side)
―  Steering angle sensor terminal C (wiring harness-side)
―  Steering angle sensor terminal E (wiring harness-side)
―  Steering angle sensor terminal D (wiring harness-side)
•  Is there continuity?
Yes
Repair or replace the wiring harness, then go to Step 10.
No
Go to the next step.
7
INSPECT STEERING ANGLE SENSOR SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY
•  Measure voltage between the following and body GND:
―  Steering angle sensor terminal A (wiring harness-side)
―  Steering angle sensor terminal C (wiring harness-side)
―  Steering angle sensor terminal E (wiring harness-side)
―  Steering angle sensor terminal D (wiring harness-side)
•  Is the voltage 1 V or less?
Yes
Go to the next step.
No
Repair or replace the wiring harness, then go to Step 10.
8
INSPECT FOR IMPROPER INSTALLATION OF STEERING ANGLE SENSOR
•  Is the installation normal?
Yes
Go to the next step.
No
Repair installation or replace the steering angle sensor, then go to Step 10.
9
INSPECT STEERING ANGLE SENSOR
•  Inspect the steering angle sensor.
•  Is the steering angle sensor normal?
Yes
Go to the next step.
No
Replace the steering angle sensor, then go to Step 10.
10
VERIFY TROUBLESHOOTING COMPLETED
•  Make sure to reconnect all disconnected connectors.
•  Clear the DTC from the BCM memory using the M-MDS.
•  Start the engine and drive the vehicle at 10 km/h {6.2 mph} or more.
•  Is the same DTC present?
Yes
Replace the BCM.
(See BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION.)
No
DTC troubleshooting completed.