Nissan Pathfinder (2011 year). Manual — part 554
POWER SUPPLY AND GROUND CIRCUIT
SEC-139
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
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POWER SUPPLY AND GROUND CIRCUIT
BCM
BCM : Diagnosis Procedure
INFOID:0000000006767002
Regarding Wiring Diagram information, refer to
.
1.
CHECK FUSES AND FUSIBLE LINK
Check that the following fuses and fusible link are not blown.
Is the fuse blown?
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit.
NO
>> GO TO 2
2.
CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM.
3. Check voltage between BCM harness connector and ground.
Is the measurement value normal?
YES
>> GO TO 3
NO
>> Repair or replace harness.
3.
CHECK GROUND CIRCUIT
Terminal No.
Signal name
Fuses and fusible link No.
57
Battery power supply
21 (10A)
70
G (50A)
11
Ignition ACC or ON
4 (10A)
38
Ignition ON or START
1 (10A)
Connector
Terminals
Power
source
Condition
Voltage (V) (Ap-
prox.)
(+)
(-)
M18
11
Ground
ACC
power
supply
Ignition
switch
ACC or
ON
Battery voltage
38
Ground
Ignition
power
supply
Ignition
switch ON
or START
Battery voltage
M20
57
Ground
Battery
power
supply
Ignition
switch
OFF
Battery voltage
70
Ground
Battery
power
supply
Ignition
switch
OFF
Battery voltage
LIIA2415E
2011 Pathfinder
SEC-140
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
POWER SUPPLY AND GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Does continuity exist?
YES
>> Inspection End.
NO
>> Repair or replace harness.
BCM
Ground
Continuity
Connector
Terminal
M20
67
Yes
LIIA0915E
2011 Pathfinder
KEY CYLINDER SWITCH
SEC-141
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
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KEY CYLINDER SWITCH
Description
INFOID:0000000006246326
The main power window and door lock/unlock switch detects condition of the door key cylinder switch and
transmits to BCM as the LOCK or UNLOCK signal.
Component Function Check
INFOID:0000000006246327
1.
CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
Check "KEY CYL LK-SW" AND "KEY CYL UN-SW" in DATA MONITOR mode for “POWER DOOR LOCK
SYSTEM” with CONSULT-III.
Is the inspection result normal?
YES
>> Key cylinder switch is OK.
NO
>> Refer to
SEC-141, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000006246328
Regarding Wiring Diagram information, refer to
1.
CHECK DOOR KEY CYLINDER SWITCH LH
With CONSULT-III
Check front door lock assembly LH (key cylinder switch) ("KEY CYL LK-SW") and ("KEY CYL UN-SW) in
DATA MONITOR mode with CONSULT–III.
• When key inserted in left front key cylinder is turned to LOCK:
• When key inserted in left front key cylinder is turned to UNLOCK:
Without CONSULT-III
1. Turn ignition switch OFF.
2. Check voltage between main power window and door lock/
unlock switch connector D7 terminals 4, 6 and ground.
Is the inspection result normal?
Monitor item
Condition
KEY CYL LK-SW
Lock
: ON
Neutral / Unlock
: OFF
KEY CYL UN-SW
Unlock
: ON
Neutral / Lock
: OFF
KEY CYL LK-SW
: ON
KEY CYL UN-SW
: ON
Connector
Terminals
Condition of left front key cylinder
Voltage (V)
(Approx.)
(+)
(–)
D7
4
Ground
Neutral/Unlock
5
Lock
0
6
Neutral/Lock
5
Unlock
0
LIIA0566E
2011 Pathfinder
SEC-142
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
KEY CYLINDER SWITCH
YES
>> Key cylinder switch signal is OK.
NO
>> GO TO 2
2.
CHECK DOOR KEY CYLINDER SWITCH LH GROUND HARNESS
1. Turn ignition switch OFF.
2. Disconnect front door lock assembly LH (key cylinder switch).
3. Check continuity between front door lock assembly LH (key cyl-
inder switch) connector D14 terminal 4 and body ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness.
3.
CHECK DOOR KEY CYLINDER SWITCH LH
Check continuity between front door lock assembly LH (key cylinder
switch) terminals.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Replace front door lock assembly LH (key cylinder switch). Refer to
4.
CHECK DOOR KEY CYLINDER HARNESS
Check continuity between main power window and door lock/unlock switch connector D7 (
A) terminals 4, 6 and front door lock assembly LH (key cylinder
switch) connector D14 (B) terminals 3, 5 and body ground.
Is the inspection result normal?
YES
>> Replace main power window and door lock/unlock switch.
NO
>> Repair or replace harness.
Connector
Terminals
Continuity
D14
4 – Ground
Yes
ALKIA1186ZZ
Terminals
Condition
Continuity
3 – 4
Key is turned to LOCK or neutral.
No
Key is turned to UNLOCK.
Yes
4 – 5
Key is turned to UNLOCK or neutral.
No
Key is turned to LOCK.
Yes
ALKIA1183ZZ
Connector
Terminals
Connector
Terminals
Continuity
A: Main
power win-
dow and
door lock/
unlock
switch
4
B: Front
door lock
assembly
LH (key
cylinder
switch)
5
Yes
6
3
Yes
4, 6
Ground
No
ALKIA1184ZZ
2011 Pathfinder
GLASS HATCH AJAR SWITCH
SEC-143
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
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GLASS HATCH AJAR SWITCH
Description
INFOID:0000000006246329
Detects glass hatch open/close condition.
Component Function Check
INFOID:0000000006246330
1.
CHECK FUNCTION
With CONSULT-III
Check glass hatch switch in data monitor mode with CONSULT-III.
Is the inspection result normal?
YES
>> Glass hatch switch is OK.
NO
>> Refer to
SEC-143, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000006246331
Regarding Wiring Diagram information, refer to
1.
CHECK GLASS HATCH AJAR SWITCH INPUT SIGNAL
With CONSULT-III
Check glass hatch ajar switch "GLASS HATCH SW" in DATA MONITOR mode with CONSULT–III.
• When glass hatch is open:
• When glass hatch is closed:
Without CONSULT-III
1. Turn ignition switch OFF.
2. Check voltage between BCM connector M19 terminals 42 and ground.
Is the inspection result normal?
YES
>> Glass hatch ajar switch circuit is OK.
NO
>> GO TO 2
2.
CHECK GLASS HATCH AJAR SWITCH CIRCUIT
1. Disconnect glass hatch ajar switch and BCM.
2. Check continuity between BCM connector M19 (A) terminal 42 and glass hatch ajar switch connector
D503 (B) terminal 1.
Monitor item
Condition
GLASS HATCH SW
CLOSE
→
OPEN: OFF
→
ON
GLASS HATCH SW
:ON
GLASS HATCH SW
:OFF
Connector
Item
Terminals
Condition
Voltage (V)
(Approx.)
( + )
( – )
M19
BCM
42
Ground
Open
↓
Closed
0
↓
Battery voltage
ALKIA1708ZZ
2011 Pathfinder
SEC-144
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
GLASS HATCH AJAR SWITCH
3. Check continuity between BCM connector M19 (A) terminal 42
and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness.
3.
CHECK GLASS HATCH AJAR SWITCH
Check continuity between glass hatch ajar switch connector terminal 1 and ground.
Is the inspection result normal?
YES
>> Refer to
GI-37, "Intermittent Incident"
.
NO
>> Replace glass hatch ajar switch.
42 - 1
:Continuity should exist
42 - Ground
:Continuity should not exist
ALKIA1709ZZ
Terminals
Condition
Continuity
Glass hatch ajar
switch
1 – Ground
Open
Yes
Closed
No
ALKIA0668ZZ
2011 Pathfinder
HORN FUNCTION
SEC-145
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
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HORN FUNCTION
Symptom Table
INFOID:0000000006246332
HAZARD AND HORN REMINDER FUNCTION MALFUNCTION
NOTE:
• Before performing the diagnosis in the following table, check “Work flow”. Refer to
.
• If the following symptoms” are detected, check systems shown in the “Diagnosis/service procedure” column
in this order.
Conditions of Vehicle (Operating Conditions)
• “ANSWER BACK FUNCTION” is ON when setting on CONSULT-III.
• Ignition switch is in OFF position.
• All doors are closed.
Symptom
Diagnosis/service procedure
Reference
page
Hazard reminder does not operate by key fob.
(Horn reminder operate.)
1.
Check “HAZARD ANSWER BACK” setting in “WORK
SUPPORT”.
2. Check hazard function.
3. Check keyfob battery inspection.
Horn reminder does not operate by key fob.
(Hazard reminder operate.)
1.
Check “HORN WITH KEYLESS LOCK” setting in
“WORK SUPPORT”.
2. Check horn function.
3. Check Intermittent Incident.
2011 Pathfinder
SEC-146
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
VEHICLE SECURITY INDICATOR
VEHICLE SECURITY INDICATOR
Description
INFOID:0000000006246333
• Vehicle security indicator is built in combination meter.
• NATS (Nissan Anti-Theft System) and vehicle security system conditions are indicated by blink or illumina-
tion of vehicle security indicator.
Component Function Check
INFOID:0000000006246334
1.
CHECK FUNCTION
1. Perform “THEFT IND” in the “Active Test” mode with CONSULT-III.
2. Check vehicle security indicator operation.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Refer to
SEC-146, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000006246335
Regarding Wiring Diagram information, refer to
SEC-176, "Wiring Diagram - Without Intelligent Key System"
1.
SECURITY INDICATOR LAMP ACTIVE TEST
With CONSULT-III
Check "THEFT IND” in "ACTIVE TEST" mode with CONSULT-III.
Without CONSULT-III
1. Disconnect BCM.
2. Turn ignition switch ON.
3. Check voltage between BCM harness connector M18 terminal
23 and ground.
Is the inspection result normal?
YES
>> Security indicator lamp is OK.
NO
>> GO TO 2
2.
SECURITY INDICATOR LAMP CHECK
Check security indicator lamp condition.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Replace combination meter. Refer to
MWI-88, "Removal and Installation"
.
3.
CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect BCM and security indicator lamp connector.
Test item
Description
THEFT IND
ON
Vehicle security indicator
ON
OFF
OFF
Connector
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(-)
M18
23
Ground
ON
0
OFF
Battery voltage
LIIA0523E
2011 Pathfinder
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