DTC C0051:2F/C0052:11/C0052:13/C0053:11/C0053:13/C0054:11/C0054:13/C0055:11/C0055:13 [BCM]

id0902f5415600

Malfunction Location

• C0051:2F steering angle signal error

• C0052:11 sensor A signal input circuit error

• C0052:13 sensor A signal input circuit error

• C0053:11 sensor B signal input circuit error

• C0053:13 sensor B signal input circuit error

• C0054:11 sensor C signal input circuit error

• C0054:13 sensor C signal input circuit error

• C0055:11 sensor D signal input circuit error

• C0055:13 sensor D signal input circuit error

Detection Condition

C0051:2F

• Errors detected in a combination of signals from each sensor (A, B, C, D)

C0052:11/C0053:11/C0054:11/C0055:11

• Voltage lower than the specification is detected for 0.1 s with the steering angle sensor connected

C0052:13/C0053:13/C0054:13/C0055:13

• Voltage higher than the specification is detected for 0.1 s with the steering angle sensor connected

Possible Causes

C0051:2F

• Short circuit to ground in wiring harness between steering angle sensor connector terminal B and BCM connector terminal 5E

• Short circuit to ground in wiring harness between steering angle sensor connector terminal C and BCM connector terminal 5D

• Short circuit to ground in wiring harness between steering angle sensor connector terminal D and BCM connector terminal 5C

• Short circuit to ground in wiring harness between steering angle sensor connector terminal E and BCM connector terminal 5B

• Open circuit in wiring harness between steering angle sensor connector terminal B and BCM connector terminal 5E

• Open circuit in wiring harness between steering angle sensor connector terminal C and BCM connector terminal 5D

• Open circuit in wiring harness between steering angle sensor connector terminal D and BCM connector terminal 5C

• Open circuit in wiring harness between steering angle sensor connector terminal E and BCM connector terminal 5B

• Steering angle sensor malfunction

• BCM malfunction

C0052:11/C0053:11/C0054:11/C0055:11

• Short circuit to ground in wiring harness between steering angle sensor connector terminal B and BCM connector terminal 5E

• Short circuit to ground in wiring harness between steering angle sensor connector terminal C and BCM connector terminal 5D

• Short circuit to ground in wiring harness between steering angle sensor connector terminal D and BCM connector terminal 5C

• Short circuit to ground in wiring harness between steering angle sensor connector terminal E and BCM connector terminal 5B

• Steering angle sensor malfunction

• BCM malfunction

C0052:13/C0053:13/C0054:13/C0055:13

• Open circuit in wiring harness between steering angle sensor connector terminal B and BCM connector terminal 5E

• Open circuit in wiring harness between steering angle sensor connector terminal C and BCM connector terminal 5D

• Open circuit in wiring harness between steering angle sensor connector terminal D and BCM connector terminal 5C

• Open circuit in wiring harness between steering angle sensor connector terminal E and BCM connector terminal 5B

• Steering angle sensor malfunction

• BCM malfunction

System Wiring Diagram

am6zzw00002048

Diagnostic Procedure

Step

Inspection

Action

1

PERFORM DTC INSPECTION

•  Clear DTCs using the M-MDS.
(See CLEARING DTC [BCM].)

•  Perform the BCM DTC inspection using the M-MDS with the steering angle sensor connected.
(See DTC INSPECTION [BCM].)

•  Are DTCs C0051:2F, C0052:11, C0052:13, C0053:11, C0053:13, C0054:11, C0054:13, C0055:11, C0055:13 displayed?

Yes

Go to the next step.

No

DTC troubleshooting completed.

2

INSPECT STEERING ANGLE SENSOR CONNECTOR CONDITION

•  Switch the ignition to off.

•  Disconnect the negative battery cable.

•  Disconnect the steering angle sensor connector.

•  Inspect the connector and terminals (corrosion, damage, pin disconnection).

•  Is the connector normal?

Yes

Go to the next step.

No

Repair/replace the connector or terminal.

After repair procedure, go to Step 7.

3

INSPECT STEERING ANGLE SENSOR

•  Inspect the steering angle sensor.
(See STEERING ANGLE SENSOR INSPECTION.)

•  Is the steering angle sensor normal?

Yes

Go to the next step.

No

Replace the steering angle sensor.

(See COMBINATION SWITCH DISASSEMBLY/ASSEMBLY.)

After replacement, go to Step 7.

4

INSPECT BCM CONNECTOR CONDITION

•  Disconnect the BCM connector.

•  Inspect the connector and terminals (corrosion, damage, pin disconnection).

•  Is the connector normal?

Yes

C0051:2F/C0052:11/C0053:11/C0054:11/C0055:11

•  Go to the next step.

C0052:13/C0053:13/C0054:13/C0055:13

•  Go to Step 6.

No

Repair/replace the connector or terminal.

After repair procedure, go to Step 7.

5

INSPECT STEERING ANGLE SENSOR CIRCUIT FOR SHORT CIRCUIT TO GROUND

•  Inspect for continuity between the following connector terminals and body ground.

―  Steering angle sensor connector terminal B—body ground

―  Steering angle sensor connector terminal C—body ground

―  Steering angle sensor connector terminal D—body ground

―  Steering angle sensor connector terminal E—body ground

•  Is there continuity?

Yes

Repair/replace the malfunctioning vehicle wiring harness.

After repair procedure, go to Step 7.

No

Go to Step 7.

6

INSPECT STEERING ANGLE SENSOR CIRCUIT FOR OPEN CIRCUIT

•  Inspect for continuity between the following connector terminals.

―  Steering angle sensor connector terminal B—BCM connector terminal 5E

―  Steering angle sensor connector terminal C—BCM connector terminal 5D

―  Steering angle sensor connector terminal D—BCM connector terminal 5C

―  Steering angle sensor connector terminal E—BCM connector terminal 5B

•  Is there continuity?

Yes

Go to the next step.

No

Repair/replace the malfunctioning vehicle wiring harness.

After repair procedure, go to the next step.

7

VERIFY DTC

•  Reconnect the disconnected connectors and the negative battery cable.

•  Clear DTCs using the M-MDS.
(See CLEARING DTC [BCM].)

•  Perform the BCM DTC inspection using the M-MDS with the steering angle sensor connected.
(See DTC INSPECTION [BCM].)

•  Is the same DTC present?

Yes

Repeat the inspection from Step 1.

If the malfunction recurs, replace the BCM.

(See BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION.)

Go to the next step.

No

Go to the next step.

8

VERIFY THAT NO OTHER DTCs ARE PRESENT

•  Are there other DTCs output?

Yes

Perform the corresponding DTC inspection.

No

DTC troubleshooting completed.

Step	Inspection		Action
1	PERFORM DTC INSPECTION • Clear DTCs using the M-MDS. (See CLEARING DTC [BCM].) • Perform the BCM DTC inspection using the M-MDS with the steering angle sensor connected. (See DTC INSPECTION [BCM].) • Are DTCs C0051:2F, C0052:11, C0052:13, C0053:11, C0053:13, C0054:11, C0054:13, C0055:11, C0055:13 displayed?	Yes	Go to the next step.
1		No	DTC troubleshooting completed.
2	INSPECT STEERING ANGLE SENSOR CONNECTOR CONDITION • Switch the ignition to off. • Disconnect the negative battery cable. • Disconnect the steering angle sensor connector. • Inspect the connector and terminals (corrosion, damage, pin disconnection). • Is the connector normal?	Yes	Go to the next step.
2		No	Repair/replace the connector or terminal. After repair procedure, go to Step 7.
3	INSPECT STEERING ANGLE SENSOR • Inspect the steering angle sensor. (See STEERING ANGLE SENSOR INSPECTION.) • Is the steering angle sensor normal?	Yes	Go to the next step.
3		No	Replace the steering angle sensor. (See COMBINATION SWITCH DISASSEMBLY/ASSEMBLY.) After replacement, go to Step 7.
4	INSPECT BCM CONNECTOR CONDITION • Disconnect the BCM connector. • Inspect the connector and terminals (corrosion, damage, pin disconnection). • Is the connector normal?	Yes	C0051:2F/C0052:11/C0053:11/C0054:11/C0055:11 • Go to the next step. C0052:13/C0053:13/C0054:13/C0055:13 • Go to Step 6.
4		No	Repair/replace the connector or terminal. After repair procedure, go to Step 7.
5	INSPECT STEERING ANGLE SENSOR CIRCUIT FOR SHORT CIRCUIT TO GROUND • Inspect for continuity between the following connector terminals and body ground. ― Steering angle sensor connector terminal B—body ground ― Steering angle sensor connector terminal C—body ground ― Steering angle sensor connector terminal D—body ground ― Steering angle sensor connector terminal E—body ground • Is there continuity?	Yes	Repair/replace the malfunctioning vehicle wiring harness. After repair procedure, go to Step 7.
5		No	Go to Step 7.
6	INSPECT STEERING ANGLE SENSOR CIRCUIT FOR OPEN CIRCUIT • Inspect for continuity between the following connector terminals. ― Steering angle sensor connector terminal B—BCM connector terminal 5E ― Steering angle sensor connector terminal C—BCM connector terminal 5D ― Steering angle sensor connector terminal D—BCM connector terminal 5C ― Steering angle sensor connector terminal E—BCM connector terminal 5B • Is there continuity?	Yes	Go to the next step.
6		No	Repair/replace the malfunctioning vehicle wiring harness. After repair procedure, go to the next step.
7	VERIFY DTC • Reconnect the disconnected connectors and the negative battery cable. • Clear DTCs using the M-MDS. (See CLEARING DTC [BCM].) • Perform the BCM DTC inspection using the M-MDS with the steering angle sensor connected. (See DTC INSPECTION [BCM].) • Is the same DTC present?	Yes	Repeat the inspection from Step 1. If the malfunction recurs, replace the BCM. (See BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION.) Go to the next step.
7		No	Go to the next step.
8	VERIFY THAT NO OTHER DTCs ARE PRESENT • Are there other DTCs output?	Yes	Perform the corresponding DTC inspection.
8		No	DTC troubleshooting completed.