Nissan Pathfinder (2005 year). Instruction — part 298
CAN SYSTEM (TYPE 2)
LAN-83
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
2005 Pathfinder
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect ECM connector.
2.
Check resistance between ECM harness connector E16 termi-
nals 94 (L) and 86 (P).
OK or NG
OK
>> Replace ECM.
NG
>> Repair harness between ECM and A/T assembly.
TCM Circuit Inspection
UKS003FR
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check terminals and connector of A/T assembly for damage, bend and loose connection (control module
side and harness side).
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect A/T assembly connector.
2.
Check resistance between A/T assembly harness connector F9
terminals 3 (L) and 8 (P).
OK or NG
OK
>> Replace control valve with TCM.
NG
>> Repair harness between A/T assembly and harness
connector F14.
Steering Angle Sensor Circuit Inspection
UKS003FS
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check terminals and connector of steering angle sensor for damage, bend and loose connection (sensor
side and harness side).
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
94 (L) – 86 (P)
: Approx. 108 – 132
Ω
PKIA9592E
3 (L) – 8 (P)
: Approx. 54 – 66
Ω
SKIA6866E
LAN-84
[CAN]
CAN SYSTEM (TYPE 2)
2005 Pathfinder
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect steering angle sensor connector.
2.
Check resistance between steering angle sensor harness con-
nector M47 terminals 3 (L) and 4 (P).
OK or NG
OK
>> Replace steering angle sensor.
NG
>> Repair harness between steering angle sensor and data
link connector.
Data Link Connector Circuit Inspection
UKS003FT
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check the terminals and connector of data link connector for damage, bend and loose connection (con-
nector side and harness side).
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
Check resistance between data link connector M22 terminals 6 (L)
and 14 (P).
OK or NG
OK
>> Diagnose again. Refer to
.
NG
>> Repair harness between data link connector and BCM.
BCM Circuit Inspection
UKS003FU
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check terminals and connector of BCM for damage, bend and loose connection (control module side and
harness side).
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
3 (L) – 4 (P)
: Approx. 54 – 66
Ω
PKIA6838E
6 (L) – 14 (P)
: Approx. 54 – 66
Ω
SKIA6868E
CAN SYSTEM (TYPE 2)
LAN-85
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
2005 Pathfinder
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect BCM connector.
2.
Check resistance between BCM harness connector M18 termi-
nals 39 (L) and 40 (P).
OK or NG
OK
>> Replace BCM. Refer to
BCS-19, "Removal and Installa-
.
NG
>> Repair harness between BCM and data link connector.
Combination Meter Circuit Inspection
UKS003FV
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check terminals and connector of combination meter for damage, bend and loose connection (meter side
and harness side).
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect combination meter connector.
2.
Check resistance between combination meter harness connec-
tor M24 terminals 12 (L) and 11 (P).
OK or NG
OK
>> Replace combination meter.
NG
>> Repair harness between combination meter and data
link connector.
ABS Actuator and Electric Unit (Control Unit) Circuit Inspection
UKS003FW
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check terminals and connector of ABS actuator and electric unit (control unit) for damage, bend and loose
connection (control unit side and harness side).
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
39 (L) – 40 (P)
: Approx. 54 – 66
Ω
SKIA6869E
12 (L) – 11 (P)
: Approx. 54 – 66
Ω
PKIA6837E
LAN-86
[CAN]
CAN SYSTEM (TYPE 2)
2005 Pathfinder
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect ABS actuator and electric unit (control unit) connector.
2.
Check resistance between ABS actuator and electric unit (con-
trol unit) harness connector E125 terminals 11 (L) and 15 (P).
OK or NG
OK
>> Replace ABS actuator and electric unit (control unit).
NG
>> Repair harness between ABS actuator and electric unit
(control unit) and IPDM E/R.
IPDM E/R Circuit Inspection
UKS003FX
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check terminals and connector of IPDM E/R for damage, bend and loose connection (control module side
and harness side).
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect IPDM E/R connector.
2.
Check resistance between IPDM E/R harness connector E122
terminals 39 (L) and 40 (P).
OK or NG
OK
>> Replace IPDM E/R.
NG
>> Repair harness between IPDM E/R and ABS actuator
and electric unit (control unit).
11 (L) - 15 (P)
: Approx. 54 - 66
Ω
SKIA6872E
39 (L) – 40 (P)
: Approx. 108 – 132
Ω
PKIA8141E
CAN SYSTEM (TYPE 2)
LAN-87
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
2005 Pathfinder
CAN Communication Circuit Inspection
UKS003FY
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check following terminals and connectors for damage, bend and loose connection (control module side,
control unit side, sensor side, meter side, and harness side).
–
ECM
–
TCM
–
Front air control
–
Steering angle sensor
–
BCM
–
Combination meter
–
ABS actuator and electric unit (control unit)
–
IPDM E/R
–
Between ECM and IPDM E/R
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
2.
CHECK HARNESS FOR SHORT CIRCUIT
1.
Disconnect following connectors.
–
ECM connector
–
Harness connector E2
2.
Check continuity between ECM harness connector E16 termi-
nals 94 (L) and 86 (P).
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness between ECM and harness connector
E2.
3.
CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between ECM harness connector E16 terminals 94
(L), 86 (P) and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Repair harness between ECM and harness connector
E2.
94 (L) – 86 (P)
: Continuity should not exist.
SKIA6865E
94 (L) – Ground
: Continuity should not exist.
86 (P) – Ground
: Continuity should not exist.
SKIB0571E
LAN-88
[CAN]
CAN SYSTEM (TYPE 2)
2005 Pathfinder
4.
CHECK HARNESS FOR SHORT CIRCUIT
1.
Disconnect following connectors.
–
A/T assembly connector
–
Harness connector F14
2.
Check continuity between A/T assembly harness connector F9
terminals 3 (L) and 8 (P).
OK or NG
OK
>> GO TO 5.
NG
>> Check the following harnesses. If any harness is dam-
aged, repair the harness.
●
Harness between A/T assembly and harness connec-
tor F32
●
Harness between A/T assembly and harness connec-
tor F14
5.
CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between A/T assembly harness connector F9 ter-
minals 3 (L), 8 (P) and ground.
OK or NG
OK
>> GO TO 6.
NG
>> Check the following harnesses. If any harness is dam-
aged, repair the harness.
●
Harness between A/T assembly and harness connec-
tor F32
●
Harness between A/T assembly and harness connector F14
6.
CHECK HARNESS FOR SHORT CIRCUIT
1.
Disconnect harness connector E152.
2.
Check continuity between harness connector E5 terminals 2 (L)
and 3 (P).
OK or NG
OK
>> GO TO 7.
NG
>> Repair harness between harness connector E5 and har-
ness connector E152.
3 (L) – 8 (P)
: Continuity should not exist.
SKIA6866E
3 (L) – Ground
: Continuity should not exist.
8 (P) – Ground
: Continuity should not exist.
SKIA6875E
2 (L) – 3 (P)
: Continuity should not exist.
SKIB2816E
CAN SYSTEM (TYPE 2)
LAN-89
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
2005 Pathfinder
7.
CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between harness connector E5 terminals 2 (L), 3
(P) and ground.
OK or NG
OK
>> GO TO 8.
NG
>> Repair harness between harness connector E5 and har-
ness connector E152.
8.
CHECK HARNESS FOR SHORT CIRCUIT
1.
Disconnect following connectors.
–
Front air control connector
–
Steering angle sensor connector
–
BCM connector
–
Combination meter connector
–
Harness connector M91
2.
Check continuity between data link connector M22 terminals 6
(L) and 14 (P).
OK or NG
OK
>> GO TO 9.
NG
>> Check the following harnesses. If any harness is dam-
aged, repair the harness.
●
Harness between data link connector and harness
connector M31
●
Harness between data link connector and front air
control
●
Harness between data link connector and steering angle sensor
●
Harness between data link connector and BCM
●
Harness between data link connector and combination meter
●
Harness between data link connector and harness connector M91
2 (L) – Ground
: Continuity should not exist.
3 (P) – Ground
: Continuity should not exist.
SKIB2817E
6 (L) – 14 (P)
: Continuity should not exist.
SKIA6868E
LAN-90
[CAN]
CAN SYSTEM (TYPE 2)
2005 Pathfinder
9.
CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between data link connector M22 terminals 6 (L),
14 (P) and ground.
OK or NG
OK
>> GO TO 10.
NG
>> Check the following harnesses. If any harness is dam-
aged, repair the harness.
●
Harness between data link connector and harness
connector M31
●
Harness between data link connector and front air control
●
Harness between data link connector and steering angle sensor
●
Harness between data link connector and BCM
●
Harness between data link connector and combination meter
●
Harness between data link connector and harness connector M91
10.
CHECK HARNESS FOR SHORT CIRCUIT
1.
Disconnect ABS actuator and electric unit (control unit) connector and IPDM E/R connector.
2.
Check continuity between IPDM E/R harness connector E122
terminals 39 (L) and 40 (P).
OK or NG
OK
>> GO TO 11.
NG
>> Check the following harnesses. If any harness is dam-
aged, repair the harness.
●
Harness between IPDM E/R and ABS actuator and
electric unit (control unit)
●
Harness between IPDM E/R and harness connector
E26
11.
CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between IPDM E/R harness connector E122 termi-
nals 39 (L), 40 (P) and ground.
OK or NG
OK
>> GO TO 12.
NG
>> Check the following harnesses. If any harness is dam-
aged, repair the harness.
●
Harness between IPDM E/R and ABS actuator and
electric unit (control unit)
●
Harness between IPDM E/R and harness connector E26
6 (L) – Ground
: Continuity should not exist.
14 (P) – Ground
: Continuity should not exist.
PKIA9872E
39 (L) – 40 (P)
: Continuity should not exist.
PKIA8141E
39 (L) – Ground
: Continuity should not exist.
40 (P) – Ground
: Continuity should not exist.
SKIB2821E
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