Infiniti QX56 (Z62). Manual — part 75
AV-154
< DTC/CIRCUIT DIAGNOSIS >
B2701 SENSOR HARNESS OPEN [CR-FL]
B2701 SENSOR HARNESS OPEN [CR-FL]
DTC Logic
INFOID:0000000006216308
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID: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 harness 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 connector 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
Ground
Continuity
Connector
Terminal
M47
3
Not existed
Sonar control unit
Corner sensor front LH
Continuity
Connector
Terminal
Connector
Terminal
M47
12
E221
2
Existed
AV
B2702 CORNER SENSOR [FR]
AV-155
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
B2702 CORNER SENSOR [FR]
DTC Logic
INFOID: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.
AV-156
< DTC/CIRCUIT DIAGNOSIS >
B2703 SENSOR HARNESS OPEN [CR-FR]
B2703 SENSOR HARNESS OPEN [CR-FR]
DTC Logic
INFOID:0000000006216311
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID: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 harness 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
Ground
Continuity
Connector
Terminal
M47
4
Not existed
Sonar control unit
Corner sensor front RH
Continuity
Connector
Terminal
Connector
Terminal
M47
12
E222
2
Existed
AV
B2704 CORNER SENSOR [RL]
AV-157
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
B2704 CORNER SENSOR [RL]
DTC Logic
INFOID: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.
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