Infiniti QX56 (JA60). Manual — part 10
U1000 CAN COMM CIRCUIT
ADP-31
< COMPONENT DIAGNOSIS >
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ADP
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COMPONENT DIAGNOSIS
U1000 CAN COMM CIRCUIT
Description
INFOID:0000000005147447
.
DTC Logic
INFOID:0000000005147448
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
STEP 1
Turn ignition switch ON and wait at least 3 seconds.
>> GO TO 2
2.
STEP 2
Check “Self diagnostic result” with CONSULT-III.
Is the DTC detected?
YES
>> Perform diagnosis procedure. Refer to
LAN-14, "Trouble Diagnosis Procedure"
NO
>> Inspection End.
Special Repair Requirement
INFOID:0000000005147449
Refer to Owner’s Manual.
DTC
Trouble diagnosis
name
DTC detecting condition
Possible cause
U1000
CAN COMM CIR-
CUIT
• Driver seat control unit cannot communicate to other
control units.
• Driver seat control unit cannot communicate for more
than the specified time.
• Harness or connectors
(CAN communication line is
open or shorted)
ADP-32
< COMPONENT DIAGNOSIS >
B2112 SLIDING MOTOR
B2112 SLIDING MOTOR
Description
INFOID:0000000005147450
• The seat sliding motor is installed to the power seat frame assembly.
• The seat sliding motor is installed with the driver seat control unit.
• Slides the seat frontward/rearward by changing the rotation direction of sliding motor.
DTC Logic
INFOID:0000000005147451
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
STEP 1
Turn ignition switch ON.
>> GO TO 2
2.
STEP 2
Check “Self diagnostic result” with CONSULT-III.
Is the DTC detected?
YES
>> Perform diagnosis procedure. Refer to
NO
>> Inspection End.
NOTE:
First perform diagnosis for B2126 if B2126 is detected. Refer to
Diagnosis Procedure
INFOID:0000000005147452
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Check “Self diagnostic result” with CONSULT-III.
3. Erase the DTC.
4. Perform DTC confirmation procedure. Refer to
.
Is the DTC displayed again?
YES
>> GO TO 2
NO
>> Check intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
2.
CHECK COMPONENTS
ADP-81, "Component Function Check"
ADP-97, "Component Function Check"
.
>> Inspection End.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2112
SEAT SLIDE
The driver seat control unit detects the output of slid-
ing motor output terminal for 0.1 second or more
even if the sliding switch is not input.
• Driver seat control unit
B2113 RECLINING MOTOR
ADP-33
< COMPONENT DIAGNOSIS >
C
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F
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ADP
N
O
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B2113 RECLINING MOTOR
Description
INFOID:0000000005147453
• The seat reclining motor is installed to the seatback assembly.
• The seat reclining motor is activated with the driver seat control unit.
• Tilts the seatback frontward/rearward by changing the rotation direction of reclining motor.
DTC Logic
INFOID:0000000005147454
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
STEP 1
Turn ignition switch ON.
>> GO TO 2
2.
STEP 2
Check “Self diagnostic result” with CONSULT-III.
Is the DTC detected?
YES
>> Perform diagnosis procedure. Refer to
NO
>> Inspection End.
NOTE:
First perform diagnosis for B2126 if B2126 is detected. Refer to
Diagnosis Procedure
INFOID:0000000005147455
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Check “Self diagnostic result” with CONSULT-III.
3. Erase the DTC.
4. Perform DTC confirmation procedure. Refer to
.
Is the DTC displayed again?
YES
>> GO TO 2
NO
>> Check intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
2.
CHECK COMPONENTS
ADP-83, "Component Function Check"
ADP-99, "Component Function Check"
.
>> Inspection End.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2113
SEAT RECLINING
The driver seat control unit detects the output of re-
clining motor output terminal for 0.1 second or more
even if the reclining switch is not input.
• Driver seat control unit
ADP-34
< COMPONENT DIAGNOSIS >
B2114 SEAT LIFTER FR
B2114 SEAT LIFTER FR
Description
INFOID:0000000005147456
• The lifting motor (front) is installed to the power seat frame assembly.
• The lifting motor (front) is activated with the driver seat control unit.
• Tilts the seat front up/down by changing the rotation direction of lifting motor (front).
DTC Logic
INFOID:0000000005147457
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
STEP 1
Turn ignition switch ON.
>> GO TO 2
2.
STEP 2
Check “Self diagnostic result” with CONSULT-III.
Is the DTC detected?
YES
>> Perform diagnosis procedure. Refer to
NO
>> Inspection End.
NOTE:
First perform diagnosis for B2126 if B2126 is detected. Refer to
Diagnosis Procedure
INFOID:0000000005147458
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Check “Self diagnostic result” with CONSULT-III.
3. Erase the DTC.
4. Perform DTC confirmation procedure. Refer to
.
Is the DTC displayed again?
YES
>> GO TO 2
NO
>> Check intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
2.
CHECK COMPONENTS
ADP-85, "Component Function Check"
ADP-101, "Component Function Check"
>> Inspection End.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2114
SEAT LIFTER FR
The driver seat control unit detects the output of lift-
ing motor (front) output terminal for 0.1 second or
more even if the lifting switch is not input.
• Driver seat control unit
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