2011 INFINITI QX56 sensor

AV-142
< DTC/CIRCUIT DIAGNOSIS >
U1232 STEERING ANGLE SENSOR
U1232 STEERING ANGLE SENSOR
DTC LogicINFOID:0000000006216291
Diagnosis ProcedureINFOID:0000000006216292
1.ADJUST THE PREDICTIVE COURSE LINE CENTER POSITION OF THE STEERING ANGLE SENSOR
When U1232 is detected, adjust the predictive course line center position of the steering angle sensor.
>> Adjusts the steering angle sensor neutral position on ABS actuator and electrical unit (control unit)
side. Refer to BRC-64, "
Work Procedure".
DTCDisplay contents of
CONSULT-III DTC detection condition Possible malfunction factor
U1232 ST ANGLE SEN CALIB
[1232] Predictive course line center position adjustment of the
steering angle sensor is incomplete. Adjust the predictive course line cen-
ter position of the steering angle sen-
sor.
Revision: 2010 May2011 QX56

AV
B2700 CORNER SENSOR [FL]AV-153
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G H
I
J
K L
M B A
O P
B2700 CORNER SENSOR [FL]
DTC LogicINFOID:0000000006216307
DTC DETECTION LOGIC
DTC No. CONSULT-III indication DTC detection condition Troubleshooting B2700 CORNER SENSOR [FL]
[B2700]
Corner sensor front LH is malfunctioning. Replace corner sensor front LH.
Revision: 2010 May2011 QX56

AV-154
< DTC/CIRCUIT DIAGNOSIS >
B2701 SENSOR HARNESS OPEN [CR-FL]
B2701 SENSOR HARNESS OPEN [CR-FL]
DTC LogicINFOID:0000000006216308
DTC DETECTION LOGIC
Diagnosis ProcedureINFOID:0000000006216309
1.CHECK HARNESS CORNER SENSOR FRONT LH SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect sonar control unit connector and corner sensor front LH connector.
3. Check continuity between sonar control unit harnes s connector and corner sensor front LH harness con-
nector.
4. Check continuity between sonar control unit harness connector and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK HARNESS CORNER SENSOR FRONT LH GROUND CIRCUIT
Check continuity between sonar control unit harness c onnector and corner sensor front LH harness connector.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Repair harness or connector.
DTC No. CONSULT-III indication DTC detection condition Troubleshooting B2701 SENSOR HARNESS
OPEN [CR-FL] [B2701]
Corner sensor front LH harness circuit is open. Check corner sensor front LH circuit.
Sonar control unit Corner sensor front LH
Continuity
Connector Terminal Connector Terminal
M47 3 E221 1 Existed
Sonar control unit GroundContinuity
Connector Terminal
M47 3 Not existed
Sonar control unit Corner sensor front LH Continuity
Connector Terminal Connector Terminal
M47 12 E221 2 Existed
Revision: 2010 May2011 QX56

AV
B2702 CORNER SENSOR [FR]AV-155
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G H
I
J
K L
M B A
O P
B2702 CORNER SENSOR [FR]
DTC LogicINFOID:0000000006216310
DTC DETECTION LOGIC
DTC No. CONSULT-III indication DTC detection condition Troubleshooting B2702 CORNER SENSOR [FR]
[B2702]
Corner sensor front RH is malfunctioning. Replace corner sensor front RH.
Revision: 2010 May2011 QX56

AV-156
< DTC/CIRCUIT DIAGNOSIS >
B2703 SENSOR HARNESS OPEN [CR-FR]
B2703 SENSOR HARNESS OPEN [CR-FR]
DTC LogicINFOID:0000000006216311
DTC DETECTION LOGIC
Diagnosis ProcedureINFOID:0000000006216312
1.CHECK HARNESS CORNER SENSOR FRONT RH SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect sonar control unit connector and corner sensor front RH connector.
3. Check continuity between sonar control unit harne ss connector and corner sensor front RH harness con-
nector.
4. Check continuity between sonar control unit harness connector and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK HARNESS CORNER SENSOR FRONT RH GROUND CIRCUIT
Check continuity between sonar control unit harness connector and corner sensor front RH harness connec-
tor.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Repair harness or connector.
DTC No. CONSULT-III indication DTC detection condition Troubleshooting
B2703 SENSOR HARNESS
OPEN [CR-FR] [B2703]
Corner sensor front RH harness circuit is open. Check corner sensor front RH circuit.
Sonar control unit Corner sensor front RH
Continuity
Connector Terminal Connector Terminal
M47 4 E222 1 Existed
Sonar control unit GroundContinuity
Connector Terminal
M47 4 Not existed
Sonar control unit Corner sensor front RH Continuity
Connector Terminal Connector Terminal
M47 12 E222 2 Existed
Revision: 2010 May2011 QX56

AV
B2704 CORNER SENSOR [RL]AV-157
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G H
I
J
K L
M B A
O P
B2704 CORNER SENSOR [RL]
DTC LogicINFOID:0000000006216313
DTC DETECTION LOGIC
DTC No. CONSULT-III indication DTC detection condition Troubleshooting B2704 CORNER SENSOR [RL]
[B2704]
Corner sensor rear LH is malfunctioning. Replace corner sensor rear LH.
Revision: 2010 May2011 QX56

AV-158
< DTC/CIRCUIT DIAGNOSIS >
B2705 SENSOR HARNESS OPEN [CR-RL]
B2705 SENSOR HARNESS OPEN [CR-RL]
DTC LogicINFOID:0000000006216314
DTC DETECTION LOGIC
Diagnosis ProcedureINFOID:0000000006216315
1.CHECK HARNESS CORNER SENSOR REAR LH SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect sonar control unit connector and corner sensor rear LH connector.
3. Check continuity between sonar control unit harne ss connector and corner sensor rear LH harness con-
nector.
4. Check continuity between sonar control unit harness connector and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK HARNESS CORNER SENSOR REAR LH GROUND CIRCUIT
Check continuity between sonar control unit harness c onnector and corner sensor rear LH harness connector.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Repair harness or connector.
DTC No. CONSULT-III indication DTC detection condition Troubleshooting B2705 SENSOR HARNESS
OPEN [CR-RL] [B2705]
Corner sensor rear LH harness circuit is open. Check corner sensor rear LH circuit.
Sonar control unit Corner sensor rear LH
Continuity
Connector Terminal Connector Terminal
M47 5 B252 1 Existed
Sonar control unit GroundContinuity
Connector Terminal
M47 5 Not existed
Sonar control unit Corner sensor rear LH Continuity
Connector Terminal Connector Terminal
M47 12 B252 2 Existed
Revision: 2010 May2011 QX56

AV
B2706 CORNER SENSOR [RR]AV-159
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G H
I
J
K L
M B A
O P
B2706 CORNER SENSOR [RR]
DTC LogicINFOID:0000000006216316
DTC DETECTION LOGIC
DTC No. CONSULT-III indication DTC detection condition Troubleshooting B2706 CORNER SENSOR [RR]
[B2706]
Corner sensor rear RH is malfunctioning. Replace corner sensor rear RH.
Revision: 2010 May2011 QX56