Infiniti QX56 (Z62). Manual — part 76
AV-158
< DTC/CIRCUIT DIAGNOSIS >
B2705 SENSOR HARNESS OPEN [CR-RL]
B2705 SENSOR HARNESS OPEN [CR-RL]
DTC Logic
INFOID:0000000006216314
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID: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 harness 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 connector 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
Ground
Continuity
Connector
Terminal
M47
5
Not existed
Sonar control unit
Corner sensor rear LH
Continuity
Connector
Terminal
Connector
Terminal
M47
12
B252
2
Existed
AV
B2706 CORNER SENSOR [RR]
AV-159
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
B2706 CORNER SENSOR [RR]
DTC Logic
INFOID: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.
AV-160
< DTC/CIRCUIT DIAGNOSIS >
B2707 SENSOR HARNESS OPEN [CR-RR]
B2707 SENSOR HARNESS OPEN [CR-RR]
DTC Logic
INFOID:0000000006216317
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000006216318
1.
CHECK HARNESS CORNER SENSOR REAR RH SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect sonar control unit connector and corner sensor rear RH connector.
3.
Check continuity between sonar control unit harness connector and corner sensor rear 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 REAR RH GROUND CIRCUIT
Check continuity between sonar control unit harness connector and corner sensor rear RH harness connector.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
DTC No.
CONSULT-III indication
DTC detection condition
Troubleshooting
B2707
SENSOR HARNESS
OPEN [CR-RR] [B2707]
Corner sensor rear RH harness circuit is open.
Check corner sensor rear RH circuit.
Sonar control unit
Corner sensor rear RH
Continuity
Connector
Terminal
Connector
Terminal
M47
6
B253
1
Existed
Sonar control unit
Ground
Continuity
Connector
Terminal
M47
6
Not existed
Sonar control unit
Corner sensor rear RH
Continuity
Connector
Terminal
Connector
Terminal
M47
12
B253
2
Existed
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-161
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
POWER SUPPLY AND GROUND CIRCUIT
AV CONTROL UNIT
AV CONTROL UNIT : Diagnosis Procedure
INFOID:0000000006216319
1.
CHECK FUSE
Check for blown fuses.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between AV control unit harness connectors and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Check harness between AV control unit and fuse.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect AV control unit connectors.
3.
Check continuity between AV control unit harness connectors and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
FRONT DISPLAY UNIT
FRONT DISPLAY UNIT : Diagnosis Procedure
INFOID:0000000006216320
1.
CHECK FUSE
Check for blown fuses.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between front display unit harness connector and ground.
Power source
Fuse No.
Battery
35
Ignition switch ACC or ON
19
Signal name
Connector
Terminal
Ignition switch position
Value (Approx.)
Battery power supply
M208
19
OFF
Battery voltage
ACC power supply
M208
7
ACC
Battery voltage
Signal name
Connector
Terminal
Ignition switch position
Continuity
Ground
M208
20
OFF
Existed
Power source
Fuse No.
Battery
35
Ignition switch ACC or ON
19
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