Nissan Pathfinder (2009 year). Manual — part 186
BCM (BODY CONTROL MODULE)
DLK-297
< ECU DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
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ABKIA0393GB
2009 Pathfinder
DLK-298
< ECU DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
BCM (BODY CONTROL MODULE)
Fail Safe
INFOID:0000000004427983
Fail-safe index
BCM performs fail-safe control when any DTC listed below is detected.
ABKIA0394GB
2009 Pathfinder
BCM (BODY CONTROL MODULE)
DLK-299
< ECU DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
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DTC Inspection Priority Chart
INFOID:0000000004427984
If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.
DTC Index
INFOID:0000000004427985
NOTE:
Details of time display
• CRNT: Displays when there is a malfunction now or after returning to the normal condition until turning igni-
tion switch OFF
→
ON again.
• 1 - 39: Displayed if any previous malfunction is present when current condition is normal. It increases like 1
→
2
→
3...38
→
39 after returning to the normal condition whenever ignition switch OFF
→
ON. The counter
remains at 39 even if the number of cycles exceeds it. It is counted from 1 again when turning ignition switch
OFF
→
ON after returning to the normal condition if the malfunction is detected again.
Display contents of CONSULT
Fail-safe
Cancellation
U1000: CAN COMM CIRCUIT
Inhibit engine cranking
When the BCM re-establishes communication with the other mod-
ules.
U1010: CONTROL UNIT (CAN)
Inhibit engine cranking
When the BCM re-start communicating with the other modules.
Priority
DTC
1
• U1000: CAN COMM CIRCUIT
• U1010: CONTROL UNIT (CAN)
2
• B2190: NATS ANTENNA AMP
• B2191: DIFFERENCE OF KEY
• B2192: ID DISCORD BCM-ECM
• B2193: CHAIN OF BCM-ECM
• B2013: STRG COMM 1
• B2552: INTELLIGENT KEY
• B2590: NATS MALFUNCTION
3
• C1729: VHCL SPEED SIG ERR
• C1735: IGNITION SIGNAL
4
• C1704: LOW PRESSURE FL
• C1705: LOW PRESSURE FR
• C1706: LOW PRESSURE RR
• C1707: LOW PRESSURE RL
• C1708: [NO DATA] FL
• C1709: [NO DATA] FR
• C1710: [NO DATA] RR
• C1711: [NO DATA] RL
• C1712: [CHECKSUM ERR] FL
• C1713: [CHECKSUM ERR] FR
• C1714: [CHECKSUM ERR] RR
• C1715: [CHECKSUM ERR] RL
• C1716: [PRESSDATA ERR] FL
• C1717: [PRESSDATA ERR] FR
• C1718: [PRESSDATA ERR] RR
• C1719: [PRESSDATA ERR] RL
• C1720: [CODE ERR] FL
• C1721: [CODE ERR] FR
• C1722: [CODE ERR] RR
• C1723: [CODE ERR] RL
• C1724: [BATT VOLT LOW] FL
• C1725: [BATT VOLT LOW] FR
• C1726: [BATT VOLT LOW] RR
• C1727: [BATT VOLT LOW] RL
2009 Pathfinder
DLK-300
< ECU DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
BCM (BODY CONTROL MODULE)
CONSULT display
Fail-safe
Intelligent Key
warning lamp ON
Tire pressure
monitor warning
lamp ON
Reference page
No DTC is detected.
further testing
may be required.
—
—
—
—
U1000: CAN COMM CIRCUIT
—
—
—
U1010: CONTROL UNIT (CAN)
—
—
—
B2013: STRG COMM 1
—
—
—
B2190: NATS ANTTENA AMP
—
—
—
(with I-
(without I-Key)
B2191: DIFFERENCE OF KEY
—
—
—
(with I-
(without I-Key)
B2192: ID DISCORD BCM-ECM
—
—
—
(with I-
(without I-Key)
B2193: CHAIN OF BCM-ECM
—
—
—
(with I-
(without I-Key)
B2552: INTELLIGENT KEY
—
—
—
B2590: NATS MALFUNCTION
—
—
—
C1708: [NO DATA] FL
—
—
—
C1709: [NO DATA] FR
—
—
—
C1710: [NO DATA] RR
—
—
—
C1711: [NO DATA] RL
—
—
—
C1712: [CHECKSUM ERR] FL
—
—
—
C1713: [CHECKSUM ERR] FR
—
—
—
C1714: [CHECKSUM ERR] RR
—
—
—
C1715: [CHECKSUM ERR] RL
—
—
—
C1716: [PRESSDATA ERR] FL
—
—
—
C1717: [PRESSDATA ERR] FR
—
—
—
C1718: [PRESSDATA ERR] RR
—
—
—
C1719: [PRESSDATA ERR] RL
—
—
—
C1720: [CODE ERR] FL
—
—
—
C1721: [CODE ERR] FR
—
—
—
C1722: [CODE ERR] RR
—
—
—
C1723: [CODE ERR] RL
—
—
—
C1724: [BATT VOLT LOW] FL
—
—
—
C1725: [BATT VOLT LOW] FR
—
—
—
C1726: [BATT VOLT LOW] RR
—
—
—
C1727: [BATT VOLT LOW] RL
—
—
—
C1729: VHCL SPEED SIG ERR
—
—
—
C1735: IGNITION SWITCH
—
—
—
—
2009 Pathfinder
DOOR LOCK
DLK-301
< SYMPTOM DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
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SYMPTOM DIAGNOSIS
DOOR LOCK
Symptom Table
INFOID:0000000003938390
DOOR LOCK SYSTEM
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.
Symptom
Repair order
Refer to page
Key reminder door function does not operate
properly.
1. Door switch check
2. Key switch (Insert) check
3. Replace BCM.
Power door lock does not operate with door lock
and unlock switch on main power window and
door lock/unlock switch or power window and
door lock/unlock switch RH.
1. Door lock/unlock switch check (driver side)
2. Door lock/unlock switch check (passenger side)
Specific door lock actuator does not operate.
1. Door lock actuator check (Front LH)
2. Door lock actuator check (Front RH)
3. Door lock actuator check (Rear LH)
4. Door lock actuator check (Rear RH)
5. Back door lock actuator check
6.Glass hatch lock actuator check
Back door does not operate using back door
opener switch (door locks are open).
1. Check back door opener switch
2. Check back door lock actuator.
Glass hatch does not open using glass hatch ajar
switch (door locks are open).
1. Check glass hatch ajar switch
2. Check glass hatch lock actuator.
Power door lock does not operate with front door
key cylinder LH operation.
1. Front door lock assembly LH (key cylinder
switch) check
2. Replace BCM.
Power door lock does not operate.
1. BCM power supply and ground circuit check
2. Door lock/unlock switch check (driver)
3. Door lock/unlock switch check (passenger)
Vehicle speed sensing auto LOCK operation does
not operate.
1. Ensure automatic door lock/unlock function
(lock operation) is enabled.
2. Check combination meter vehicle speed signal.
3. Check intermittent incident.
Ignition OFF interlock door UNLOCK function
does not operate.
1. Ensure automatic door lock/unlock function (un-
lock operation) is enabled.
2. Check BCM for DTCs.
3. Check intermittent incident.
2009 Pathfinder
DLK-302
< SYMPTOM DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
REMOTE KEYLESS ENTRY SYSTEM
REMOTE KEYLESS ENTRY SYSTEM
Symptom Table
INFOID:0000000003938391
REMOTE KEYLESS ENTRY SYSTEM
Symptom
Diagnoses/service procedure
Reference
page
All functions of remote keyless entry system do not
operate.
1. Keyfob battery and function check (use Remote Keyless Entry
Tester J-43241)
NOTE:
If the result of keyfob function check is OK, keyfob is not malfunc-
tioning.
2. Check BCM and remote keyless entry receiver.
The new ID of keyfob cannot be entered.
1. Keyfob battery and function check (use Remote Keyless Entry
Tester J-43241)
NOTE:
If the result of keyfob function check is OK, keyfob is not malfunc-
tioning.
2. Key switch (insert) check
3. Door switch check
4. ACC power check
5. Replace BCM.
Door lock or unlock does not function.
(If the power door lock system does not operate
manually, check power door lock system)
1. Keyfob battery and function check (use Remote Keyless Entry
Tester J-43241)
NOTE:
If the result of keyfob function check is OK, keyfob is not malfunc-
tioning.
2. Replace BCM.
Hazard and horn reminder does not activate properly
when pressing lock or unlock button of keyfob.
1. Check hazard and horn reminder mode with CONSULT-III
NOTE:
Hazard and horn reminder mode can be changed.
First check the hazard and horn reminder mode setting.
2. Door switch check
3. Replace BCM.
Hazard reminder does not activate properly when
pressing lock or unlock button of keyfob.
(Horn reminder OK)
1. Check hazard reminder mode with CONSULT-III
NOTE:
Hazard reminder mode can be changed.
First check the hazard reminder mode setting.
2. Check hazard function with hazard switch
—
3. Replace BCM.
Horn reminder does not activate properly when
pressing lock or unlock button of keyfob.
(Hazard reminder OK)
1. Check horn reminder mode with CONSULT-III
NOTE:
Horn reminder mode can be changed.
First check the horn reminder mode setting.
2. Check horn function with horn switch
—
3. IPDM E/R operation check
4. Replace BCM.
Room lamp and ignition keyhole illumination do not
operate properly.
1. Room lamp operation check
2. Ignition keyhole illumination operation check
3. Door switch check
4. Replace BCM.
2009 Pathfinder
REMOTE KEYLESS ENTRY SYSTEM
DLK-303
< SYMPTOM DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
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Panic alarm (horn and headlamp) does not activate
when panic alarm button is continuously pressed.
1. Keyfob battery and function check (use Remote Keyless Entry
Tester J-43241)
NOTE:
If the result of keyfob function check is OK, keyfob is not malfunc-
tioning.
2. Key switch (insert) check
3. Replace BCM.
Auto door lock operation does not activate properly.
(All other remote keyless entry functions OK.)
1. Check auto door lock operation mode with CONSULT-III
NOTE:
Auto door lock operation mode can be changed.
First check the auto door lock operation mode setting.
2. Replace BCM.
Keyless power window down (open) operation does
not activate properly.
(All other remote keyless entry functions OK.)
1. Check power window down operation mode with CONSULT-III
NOTE:
Power window down operation mode can be changed.
First check the power window down operation mode setting.
2. Check power window function with switch
3. Replace BCM.
Symptom
Diagnoses/service procedure
Reference
page
2009 Pathfinder
DLK-304
< SYMPTOM DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
HOMELINK UNIVERSAL TRANSCEIVER
HOMELINK UNIVERSAL TRANSCEIVER
Symptom Table
INFOID:0000000003938392
HOMELINK UNIVERSAL TRANSCEIVER MALFUNCTION
Symptom
Diagnosis/service procedure
Reference page
Homelink universal transceiver does not operate properly.
1.
Check homelink universal transceiver function.
2.
Check Intermittent Incident.
2009 Pathfinder
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