2009 INFINITI QX56 Factory Service Manual

jump start turn signal service reset USB ABS center console

Page 1129 of 4171

INFINITI QX56 2009 Factory Service Manual
P1828 LINE PRESSURE SWITCHDLN-73
< COMPONENT DIAGNOSIS > [ATX14B]
C
EF
G H
I
J
K L
M A
B
DLN
N
O P
P1828 LINE PRESSURE SWITCH
DescriptionINFOID:0000000003772142
Improper signal from line pressure swi

Page 1130 of 4171

INFINITI QX56 2009 Factory Service Manual
DLN-74
< COMPONENT DIAGNOSIS >[ATX14B]
P1828 LINE PRESSURE SWITCH
Are inspection results normal?
YES >> GO TO 5.
NO >> GO TO 2.
2.CHECK HARNESS BETWEEN TRANSFER CONT
ROL UNIT AND LINE PRESSURE SWITCH

DLN-74
< COMPONENT DIAGNOSIS >[ATX14B]
P1828 LINE PRESSURE SWITCH
Are inspection results normal?
YES >> GO TO 5.
NO >> GO TO 2.
2.CHECK HARNESS BETWEEN TRANSFER CONT
ROL UNIT AND LINE PRESSURE SWITCH
1. Turn ignition switch OFF. (Stay for at least 5 seconds.)
2. Disconnect transfer control unit harness connector and the transfer terminal cord assembly harness con-
nector.
3. Check continuity between transfer control unit harness connec-
tor E143 terminal 35 and transfer terminal cord assembly har-
ness connector F56 terminal 1.
Also check harness for short to ground and short to power.
Are inspection results normal?
YES >> GO TO 3.
NO >> Repair or replace damaged parts.
3.CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer to DLN-81, "Reference Value"
.
Are inspection results normal?
YES >> GO TO 4.
NO >> Check the following. If any items are damaged, repair or replace damaged parts. Transfer control unit pin terminals for damage or loose connection with harness connector.
Transfer control unit. Refer to DLN-130, "Removal and Installation"
.
4.CHECK LINE PRESSURE SWITCH
1. Turn ignition switch OFF. (Stay for at least 5 seconds.)
2. Remove line pressure switch. Refer to DLN-16, "Component Parts Location"
.
3. Push and release line pressure switch and check continuity between terminal 1 and ground.
Are inspection results normal?
YES >> GO TO 5.
NO >> Replace line pressure switch.
5.CHECK DTC
Perform the self-diagnosis, after driving a vehicle for a while.
Connector Terminal Condition Voltage
(Approx.)
E143 35 -
Ground A/T selector lever D
position 4WD shift switch:
AUTO
0V
Except the above
The vehicle has been left at room
temperature for 5
minutes and more
with ignition switch
in OFF position. Ignition switch:
ON
A/T selector le-
ver: P or N posi-
tion
4WD shift
switch: other
than AUTO Battery
voltage
Continuity should exist.
SDIA2752E
Terminal Condition Continuity
1 -
Ground Push line pressure switch Yes
Release line pressure switch No
WDIA0172E
Revision: December 20092009 QX56

Page 1131 of 4171

INFINITI QX56 2009 Factory Service Manual
P1828 LINE PRESSURE SWITCHDLN-75
< COMPONENT DIAGNOSIS > [ATX14B]
C
EF
G H
I
J
K L
M A
B
DLN
N
O P
Are inspection results normal?
YES >> GO TO 6.
NO >> Replace transfer control unit. Refer to DLN-13

Page 1132 of 4171

INFINITI QX56 2009 Factory Service Manual
DLN-76
< COMPONENT DIAGNOSIS >[ATX14B]
P1829 THROTTLE POSITION SIGNAL (ECM)
P1829 THROTTLE POSITION SIGNAL (ECM)
DescriptionINFOID:0000000003772146
Malfunction is detected in accelerator pedal positi

Page 1133 of 4171

INFINITI QX56 2009 Factory Service Manual
P1830 ABS OPERATION SIGNAL (ABS)DLN-77
< COMPONENT DIAGNOSIS > [ATX14B]
C
EF
G H
I
J
K L
M A
B
DLN
N
O P
P1830 ABS OPERATION SIGNAL (ABS)
DescriptionINFOID:0000000003772149
Malfunction is detected in

Page 1134 of 4171

INFINITI QX56 2009 Factory Service Manual
DLN-78
< COMPONENT DIAGNOSIS >[ATX14B]
P1831 VDC OPERATION SIGNAL (ABS)
P1831 VDC OPERATION SIGNAL (ABS)
DescriptionINFOID:0000000003772152
Malfunction is detected in the VDC operation signal that
i

Page 1135 of 4171

INFINITI QX56 2009 Factory Service Manual
P1832 TCS OPERATION SIGNAL (ABS)DLN-79
< COMPONENT DIAGNOSIS > [ATX14B]
C
EF
G H
I
J
K L
M A
B
DLN
N
O P
P1832 TCS OPERATION SIGNAL (ABS)
DescriptionINFOID:0000000003772155
Malfunction is detected in

Page 1136 of 4171

INFINITI QX56 2009 Factory Service Manual
DLN-80
< COMPONENT DIAGNOSIS >[ATX14B]
U1010 CONTROL UNIT (CAN)
U1010 CONTROL UNIT (CAN)
DescriptionINFOID:0000000005912150
CAN (Controller Area Network) is a serial communication
line for real time

Load next 8 pages

Page: < prev 1-10 ... 1097-1104 1105-1112 1113-1120 1121-1128 1129-1136 1137-1144 1145-1152 1153-1160 1161-1168 ... 4176 next >

service interval MPG brake rotor oil capacity fuel type towing capacity