Nissan Murano. Manual — part 15
ADP-52
< DTC/CIRCUIT DIAGNOSIS >
B2116 TILT MOTOR
2.
Check voltage between automatic drive positioner control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace automatic drive positioner control unit. Refer to
ADP-211, "Removal and Installation"
.
4.
CHECK INTERMITTENT INCIDENT
GI-44, "Intermittent Incident"
>> INSPECTION END
(+)
(–)
Voltage (V)
(Approx.)
Automatic drive positioner control unit
Connector
Terminals
M104
28
Ground
0
29
B2128 UART COMMUNICATION LINE
ADP-53
< DTC/CIRCUIT DIAGNOSIS >
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B2128 UART COMMUNICATION LINE
Description
INFOID:0000000009720674
Driver seat control unit performs UART communication with the automatic drive positioner control unit using 1
communication lines. Driver seat control unit receives the operation signals of tilt & telescopic switch, door mir-
ror remote control switch, and the position signals of door mirror sensor from the automatic drive positioner
control unit and transmits the operation request signal.
DTC Logic
INFOID:0000000009720675
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
STEP 1
Turn ignition switch ON.
>> GO TO 2.
2.
PROCEDURE
Check “Self diagnostic result” with CONSULT.
Is the DTC detected?
YES
>> Perform diagnosis procedure. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009720676
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-44, "Intermittent Incident"
.
2.
CHECK UART COMMUNICATION LINE CONTINUITY
1.
Turn ignition switch OFF.
2.
Disconnect driver seat control unit and automatic drive positioner control unit connector.
3.
Check continuity between driver seat control unit harness connector and automatic drive positioner con-
trol unit harness connector.
4.
Check continuity between driver seat control unit harness connector and ground.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B2128
UART COMM
The communication between driver seat control unit
and auto drive positioner control unit is interrupted for
a period of time.
• UART communication line
(UART communication line is
open or shorted)
• Driver seat control unit
• Automatic drive positioner
control unit
Driver seat control unit
Automatic drive positioner control unit
Continuity
Connector
Terminal
Connector
Terminal
B452
32
M75
8
Existed
ADP-54
< DTC/CIRCUIT DIAGNOSIS >
B2128 UART COMMUNICATION LINE
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-44, "Intermittent Incident"
.
NO
>> Repair or replace harness or connector.
Driver seat control unit
Ground
Continuity
Connector
Terminal
B452
32
Not existed
POWER SUPPLY AND GROUND CIRCUIT
ADP-55
< DTC/CIRCUIT DIAGNOSIS >
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POWER SUPPLY AND GROUND CIRCUIT
DRIVER SEAT CONTROL UNIT
DRIVER SEAT CONTROL UNIT : Diagnosis Procedure
INFOID:0000000009720677
1.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Check voltage between driver seat control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness.
2.
CHECK GROUND CIRCUIT
Check continuity between the driver seat control unit harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair or replace harness.
DRIVER SEAT CONTROL UNIT : Special Repair Requirement
INFOID:0000000009720678
1.
PERFORM ADDITIONAL SERVICE
Perform additional service when removing battery negative terminal.
>> Refer to
ADP-8, "ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL
.
AUTOMATIC DRIVE POSITIONER CONTROL UNIT
AUTOMATIC DRIVE POSITIONER CONTROL UNIT : Diagnosis Procedure
INFOID:0000000009720679
NOTE:
Do not disconnect the battery negative terminal and the driver seat control unit connector until DTC is con-
firmed with CONSULT.
1.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Check voltage between automatic drive positioner control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness.
(+)
(–)
Voltage (V)
(Approx.)
Driver seat control unit
Connector
Terminals
B451
1
Ground
Battery voltage
Driver seat control unit
Ground
Continuity
Connector
Terminal
B451
2
Existed
(+)
(–)
Voltage (V)
(Approx.)
Automatic drive positioner control unit
Connector
Terminals
M104
25
Ground
Battery voltage
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