Nissan Pathfinder (2005 year). Instruction — part 299
CAN SYSTEM (TYPE 2)
LAN-91
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
2005 Pathfinder
12.
ECM AND IPDM E/R INTERNAL CIRCUIT INSPECTION
1.
Remove ECM and IPDM E/R from vehicle.
2.
Check resistance between ECM terminals 94 and 86.
3.
Check resistance between IPDM E/R terminals 39 and 40.
OK or NG
OK
>> GO TO 13.
NG
>> Replace ECM and/or IPDM E/R.
13.
CHECK SYMPTOM
1.
Fill in described symptoms on the column “Symptom” in the check sheet.
2.
Connect all connectors, and then make sure that the symptom is reproduced.
OK or NG
OK
>> GO TO 14.
NG
>> Refer to
LAN-15, "Example of Filling in Check Sheet When Initial Conditions Are Not Reproduced"
.
14.
UNIT REPRODUCIBILITY INSPECTION
Perform the following procedure for each unit, and then perform reproducibility test.
1.
Turn ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Disconnect the unit connector.
4.
Connect the battery cable to the negative terminal.
5.
Make sure that the symptom filled in the “Symptom” of the check sheet is reproduced. (Do not confuse it
with the symptom related to removed unit.)
6.
Make sure that the same symptom is reproduced.
–
TCM
–
Front air control
–
Steering angle sensor
–
BCM
–
Combination meter
–
ABS actuator and electric unit (control unit)
–
ECM
–
IPDM E/R
Inspection results
Reproduced>>Install removed unit, and then check the other unit.
Not reproduced>>Replace removed unit.
IPDM E/R Ignition Relay Circuit Inspection
UKS003FZ
Check the following. If no malfunction is found, replace the IPDM E/R.
●
IPDM E/R power supply circuit. Refer to
PG-26, "IPDM E/R Power/Ground Circuit Inspection"
.
●
Ignition power supply circuit. Refer to
PG-14, "IGNITION POWER SUPPLY — IGNITION SW. IN ON
.
94 – 86
: Approx. 108 – 132
Ω
39 – 40
: Approx. 108 – 132
Ω
LKIA0037E
LAN-92
[CAN]
CAN SYSTEM (TYPE 3)
2005 Pathfinder
CAN SYSTEM (TYPE 3)
PFP:23710
System Description
UKS003F0
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
Component Parts and Harness Connector Location
UKS003F1
BKIA0111E
CAN SYSTEM (TYPE 3)
LAN-93
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
2005 Pathfinder
Schematic
UKS003F2
BKWA0375E
LAN-94
[CAN]
CAN SYSTEM (TYPE 3)
2005 Pathfinder
Wiring Diagram - CAN -
UKS003F3
BKWA0376E
CAN SYSTEM (TYPE 3)
LAN-95
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
2005 Pathfinder
BKWA0377E
LAN-96
[CAN]
CAN SYSTEM (TYPE 3)
2005 Pathfinder
BKWA0378E
CAN SYSTEM (TYPE 3)
LAN-97
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
2005 Pathfinder
CHECK SHEET
UKS003F4
NOTE:
If a check mark is put on “NG” on “INITIAL DIAG (Initial diagnosis)”, replace the control unit.
PKIB5018E
LAN-98
[CAN]
CAN SYSTEM (TYPE 3)
2005 Pathfinder
PKIB5019E
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