Nissan Pathfinder (2006 year). Instruction — part 305
TROUBLE DIAGNOSIS FOR SYSTEM
LAN-201
[CAN]
C
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A
B
LAN
2006 Pathfinder
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect combination meter connector.
2.
Check resistance between combination meter harness connec-
tor terminals.
OK or NG
OK
>> Replace combination meter.
NG
>> Repair harness between combination meter and data
link connector.
Transfer Control Unit Circuit Inspection
UKS0051N
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check terminals and connector of transfer 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.
2.
CHECK HARNESS FOR OPEN CIRCUIT
All-mode 4WD system
1.
Disconnect transfer control unit connector.
2.
Check resistance between transfer control unit harness connec-
tor terminals.
Part time 4WD system
1.
Disconnect transfer control unit connector.
2.
Check resistance between transfer control unit harness connec-
tor terminals.
OK or NG
OK
>> Replace transfer control unit.
NG
>> Repair harness between transfer control unit and data
link connector.
Combination
meter connector
Terminal
Resistance
(Approx.)
M24
12
11
54 – 66
Ω
PKIA6837E
Transfer control
unit connector
Terminal
Resistance
(Approx.)
M152
7
8
54 – 66
Ω
PKIA6844E
Transfer control
unit connector
Terminal
Resistance
(Approx.)
M152
1
2
54 – 66
Ω
PKIC1656E
LAN-202
[CAN]
TROUBLE DIAGNOSIS FOR SYSTEM
2006 Pathfinder
Driver Seat Control Unit Circuit Inspection
UKS0051O
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 unit side and
harness side).
–
Driver seat control unit connector
–
Harness connector P1
–
Harness connector B37
–
Harness connector B69
–
Harness connector M40
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect driver seat control unit connector.
2.
Check resistance between driver seat control unit harness con-
nector terminals.
OK or NG
OK
>> Replace driver seat control unit.
NG
>> Repair harness between driver seat control unit and
data link connector.
ABS Actuator and Electric Unit (Control Unit) Circuit Inspection
UKS0051P
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.
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 terminals.
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.
Transfer control
unit connector
Terminal
Resistance
(Approx.)
P2
3
19
54 – 66
Ω
PKIA6842E
ABS actuator and
electric unit (con-
trol unit) connector
Terminal
Resistance
(Approx.)
E125
11
15
54 – 66
Ω
SKIA6872E
TROUBLE DIAGNOSIS FOR SYSTEM
LAN-203
[CAN]
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LAN
2006 Pathfinder
IPDM E/R Circuit Inspection
UKS0051Q
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 termi-
nals.
OK or NG
OK
>> Replace IPDM E/R.
NG
>> Repair harness between IPDM E/R and ABS actuator
and electric unit (control unit).
CAN Communication Circuit Inspection
UKS0051R
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Disconnect the harness connector for each unit on the CAN network and check terminals for deformation,
disconnection, looseness or damage.
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector as necessary.
2.
CHECK HARNESS FOR SHORT CIRCUIT
With all module and control unit connectors disconnected, check
continuity between data link connector terminals.
OK or NG
OK
>> GO TO 3.
NG
>>
●
Repair harness.
●
Replace harness if shielded lines are used for the
harness.
IPDM E/R
connector
Terminal
Resistance
(Approx.)
E122
39
40
108 – 132
Ω
PKIA8141E
Data link
connector
Terminal
Continuity
M22
6
14 No
SKIA6868E
LAN-204
[CAN]
TROUBLE DIAGNOSIS FOR SYSTEM
2006 Pathfinder
3.
CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between data link connector terminals and ground.
OK or NG
OK
>> GO TO 4.
NG
>>
●
Repair harness.
●
Replace harness if shielded lines are used for the
harness.
4.
ECM AND IPDM E/R INTERNAL CIRCUIT INSPECTION
1.
Remove ECM and IPDM E/R from vehicle.
2.
Check resistance between ECM terminals.
3.
Check resistance between IPDM E/R terminals.
OK or NG
OK
>> GO TO 5.
NG
>> Replace ECM and/or IPDM E/R.
5.
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.
Check results
Reproduced>>GO TO 6.
Not reproduced>>Refer to
LAN-14, "Example of Filling in Check Sheet When Initial Conditions Are Not
6.
UNIT REPRODUCIBILITY INSPECTION
Perform the following procedure for each unit on the CAN network, 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.
NOTE:
Malfunction (related to a unit that the connector is disconnected) is reproduced. Do not confuse the mal-
function with the symptom filled in the column of “Symptom” on the check sheet.
Inspection results
Reproduced>>Connect the disconnected connector. Check other units applying the above procedure.
Not reproduced>>Replace the unit that the connector is disconnected.
IPDM E/R Ignition Relay Circuit Inspection
UKS0051S
Check the following. If no malfunction is found, replace the IPDM E/R.
Data link
connector
Terminal
Ground
Continuity
M22
6
No
14
No
PKIA9872E
Terminal
Resistance (Approx.)
94
86
108 – 132
Ω
Terminal
Resistance (Approx.)
39
40
108 – 132
Ω
LKIA0037E
TROUBLE DIAGNOSIS FOR SYSTEM
LAN-205
[CAN]
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A
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LAN
2006 Pathfinder
●
IPDM E/R power supply circuit. Refer to
PG-30, "IPDM E/R Power/Ground Circuit Inspection"
.
●
Ignition power supply circuit. Refer to
LAN-206
[CAN]
TROUBLE DIAGNOSIS FOR SYSTEM
2006 Pathfinder
LT-1
LIGHTING SYSTEM
K ELECTRICAL
CONTENTS
C
D
E
F
G
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I
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L
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SECTION
A
B
LT
2006 Pathfinder
PRECAUTIONS . . . . . . . . . . . . . . .. 4
HEADLAMP (FOR USA) . . . . . . . . . . . 5
Component Parts and Harness Connector Location
System Description . . . . . . . . . . . . .. 5
CONSULT-II Function (IPDM E/R) . . . . . . . 15
LOW BEAM AND HIGH BEAM . . . . . . ... 26
Bulb Replacement . . . . . . . . . . . . .. 27
HEADLAMP BULB . . . . . . . . . . . .. 27
FRONT TURN SIGNAL/PARKING LAMP . . ... 27
FRONT SIDE MARKER LAMP . . . . . . ... 27
Removal and Installation . . . . . . . . . . 27
FRONT COMBINATION LAMP . . . . . . ... 27
Disassembly and Assembly . . . . . . . . . 28
FRONT COMBINATION LAMP . . . . . . ... 28
HEADLAMP (FOR CANADA) - DAYTIME LIGHT
SYSTEM - . . . . . . . . . . . . . . . . .. 29
Component Parts and Harness Connector Location
System Description . . . . . . . . . . . . . 29
AUTO LIGHT SYSTEM . . . . . . . . . . . . 40
Component Parts and Harness Connector Location
LT-2
2006 Pathfinder
CONSULT-II Function (BCM) . . . . . . . . .. 47
CONSULT-II Function (IPDM E/R) . . . . . . .. 51
OPTICAL SENSOR . . . . . . . . . . . . 55
FRONT FOG LAMP . . . . . . . . . . . . .. 56
CHECK POWER SUPPLY AND GROUND CIR-
CUIT . . . . . . . . . . . . . . . . . 60
FRONT FOG LAMP . . . . . . . . . . . . 63
TURN SIGNAL AND HAZARD WARNING LAMPS ... 64
Preliminary Check . . . . . . . . . . . . ...69
CHECK POWER SUPPLY AND GROUND CIR-
CUIT . . . . . . . . . . . . . . . . . .69
CONSULT-II Function (BCM) . . . . . . . . ..69
FRONT TURN SIGNAL LAMP . . . . . . . .76
REAR TURN SIGNAL LAMP . . . . . . . ...76
Removal and Installation . . . . . . . . . . .76
FRONT TURN SIGNAL LAMP . . . . . . . .76
REAR TURN SIGNAL LAMP . . . . . . . ...76
LIGHTING AND TURN SIGNAL SWITCH . . . . 77
Removal and Installation . . . . . . . . . . .77
REMOVAL . . . . . . . . . . . . . . . 77
INSTALLATION . . . . . . . . . . . . . 77
HAZARD SWITCH . . . . . . . . . . . . . .78
Removal and Installation . . . . . . . . . . .78
REMOVAL . . . . . . . . . . . . . . . 78
INSTALLATION . . . . . . . . . . . . . 78
COMBINATION SWITCH . . . . . . . . . . ..79
CONSULT-II OPERATION . . . . . . . . ...80
DATA MONITOR . . . . . . . . . . . . ..81
STOP LAMP . . . . . . . . . . . . . . . ..85
BULB REPLACEMENT . . . . . . . . . . 87
REMOVAL AND INSTALLATION . . . . . . .87
Stop Lamp . . . . . . . . . . . . . . . ...87
BULB REPLACEMENT . . . . . . . . . . 87
REMOVAL AND INSTALLATION . . . . . . .87
BACK-UP LAMP . . . . . . . . . . . . . ...88
PARKING, LICENSE PLATE AND TAIL LAMPS . ..90
Component Parts and Harness Connector Location ...90
System Description . . . . . . . . . . . . .90
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