Nissan Pathfinder. Manual — part 23
ADP-84
< DTC/CIRCUIT DIAGNOSIS >
B2116 TILT MOTOR
3.
CHECK AUTOMATIC DRIVE POSITIONER CONTROL UNIT OUTPUT SIGNAL
1. Connect automatic drive positioner control unit connector.
2. Check voltage between automatic drive positioner control unit harness connector and ground.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-49, "Intermittent Incident"
NO
>> Replace automatic drive positioner control unit. Refer to
ADP-162, "Removal and Installation"
(+)
(–)
Voltage (V)
(Approx.)
Automatic drive positioner control unit
Connector
Terminals
M34
28
Ground
0
29
B2128 UART COMMUNICATION LINE
ADP-85
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
ADP
N
O
P
B2128 UART COMMUNICATION LINE
Description
INFOID:0000000009176572
Driver seat control unit performs UART communication with the automatic drive positioner control unit using 1
communication line. Driver seat control unit receives the operation signals of ADP steering switch, door mirror
remote control switch and the position signals of tilt sensor, telescopic sensor and door mirror sensors from
the automatic drive positioner control unit and transmits the operation request signal.
DTC Logic
INFOID:0000000009176573
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 detected?
YES
>> Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009176574
Regarding Wiring Diagram information, refer to
ADP-55, "WITH AROUND VIEW MONITOR : Wiring Diagram"
ADP-40, "WITHOUT AROUND VIEW MONITOR : Wiring Diagram"
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-49, "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.
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 automatic drive positioner control unit is interrupt-
ed 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
B209
15
M33
8
Yes
ADP-86
< DTC/CIRCUIT DIAGNOSIS >
B2128 UART COMMUNICATION LINE
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-49, "Intermittent Incident"
.
NO
>> Repair or replace harness.
Driver seat control unit
Ground
Continuity
Connector
Terminal
B209
15
No
B2130 EEPROM
ADP-87
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
ADP
N
O
P
B2130 EEPROM
DTC Logic
INFOID:0000000009176575
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 detected?
YES
>> Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009176576
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-49, "Intermittent Incident"
.
2.
REPLACE DRIVER SEAT CONTROL UNIT
Replace driver seat control unit. Refer to
ADP-161, "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
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