Nissan Maxima. Manual — part 11
ADP-36
< DTC/CIRCUIT DIAGNOSIS >
U1000 CAN COMM CIRCUIT
DTC/CIRCUIT DIAGNOSIS
U1000 CAN COMM CIRCUIT
Description
INFOID:0000000010051705
LAN-24, "CAN Communication Signal Chart"
DTC Logic
INFOID:0000000010051706
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.
Is the DTC detected?
YES
>> Perform diagnosis procedure. Refer to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010051707
LAN-15, "Trouble Diagnosis Flow Chart"
Special Repair Requirement
INFOID:0000000010051708
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)
U1010 CONTROL UNIT (CAN)
ADP-37
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
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K
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M
A
B
ADP
N
O
P
U1010 CONTROL UNIT (CAN)
Description
INFOID:0000000010051709
LAN-24, "CAN Communication Signal Chart"
DTC Logic
INFOID:0000000010051710
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000010051711
1.
REPLACE DRIVER SEAT CONTROL UNIT
When DTC [U1010] is detected, replace driver seat control unit.
>> Replace driver seat control unit. Refer to
ADP-169, "Removal and Installation"
DTC
No.
Trouble diagnosis name
DTC detecting condition
Possible cause
U1010
CONTROL UNIT (CAN)
When detecting error during the initial diagnosis of CAN con-
troller of driver seat control unit.
• Driver seat control unit
ADP-38
< DTC/CIRCUIT DIAGNOSIS >
B2130 EEPROM
B2130 EEPROM
DTC Logic
INFOID:0000000010051712
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Check “Self diagnostic result” with CONSULT.
Is the DTC is detects?
YES
>> Refer to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010051713
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Check “Self diagnostic result” with CONSULT.
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-41, "Intermittent Incident"
.
2.
REPLACE DRIVER SEAT CONTROL UNIT
Replace driver seat control unit. Refer to
ADP-169, "Removal and Installation"
>> Inspection End.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2130
EEPROM
Driver seat control unit detected CPU malfunction.
• Driver seat control unit
B2112 SLIDING MOTOR
ADP-39
< DTC/CIRCUIT DIAGNOSIS >
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D
E
F
G
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A
B
ADP
N
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B2112 SLIDING MOTOR
Description
INFOID:0000000010051714
• The seat sliding motor is installed to the seat frame.
• The seat sliding motor is activated with the driver seat control unit.
• Slides the seat forward/backward by changing the rotation direction of sliding motor.
DTC Logic
INFOID:0000000010051715
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Check “Self diagnostic result” with CONSULT.
Is the DTC is detects?
YES
>> Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010051716
Regarding Wiring Diagram information, refer to
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Check “Self diagnostic result” with CONSULT.
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-41, "Intermittent Incident"
.
2.
CHECK SLIDING MOTOR CIRCUIT (POWER SHORT)
1. Turn ignition switch OFF.
2. Disconnect sliding motor and driver seat control unit connector.
3. Check voltage between sliding motor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connector.
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
• Front power seat LH (sliding mo-
tor) harness is shorted
(+)
(–)
Voltage (V)
(Approx.)
Sliding motor
Connector
Terminals
B205
2
Ground
0
6
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