Nissan Pathfinder (2010 year). Instruction — part 577
SEC-110
< ECU DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
If No CAN Communication Is Available With BCM
IGNITION RELAY MALFUNCTION DETECTION FUNCTION
• IPDM E/R monitors the voltage at the contact circuit and excitation coil circuit of the ignition relay inside it.
• IPDM E/R judges the ignition relay error if the voltage differs between the contact circuit and the excitation
coil circuit.
• If the ignition relay cannot turn OFF due to contact seizure, it activates the tail lamp relay for 10 minutes to
alert the user to the ignition relay malfunction when the ignition switch is turned OFF.
NOTE:
The tail lamp turns OFF when the ignition switch is turned ON.
FRONT WIPER CONTROL
IPDM E/R detects front wiper stop position by a front wiper auto stop signal.
When a front wiper auto stop signal is in the conditions listed below, IPDM E/R stops power supply to wiper
after repeating a front wiper 10 second activation and 20 second stop five times.
NOTE:
This operation status can be confirmed on the IPDM E/R “DATA MONITOR” that displays “Block” for the item
“WIP PROT” while the wiper is stopped.
STARTER MOTOR PROTECTION FUNCTION
IPDM E/R turns OFF the starter control relay to protect the starter motor when the starter control relay remains
active for 90 seconds.
Control part
Fail-safe in operation
Cooling fan
• Turns ON the cooling fan relay when the ignition switch is turned ON
• Turns OFF the cooling fan relay when the ignition switch is turned OFF
Control part
Fail-safe in operation
Headlamp
• Turns ON the headlamp low relay when the ignition switch is turned ON
• Turns OFF the headlamp low relay when the ignition switch is turned OFF
• Headlamp (LH/RH) high relays OFF
• Parking lamps
• License plate lamps
• Tail lamps
• Turns ON the tail lamp relay when the ignition switch is turned ON
• Turns OFF the tail lamp relay when the ignition switch is turned OFF
Front wiper
• The status just before activation of fail-safe control is maintained until the ignition
switch is turned OFF while the front wiper is operating at LO or HI speed.
• The wiper is operated at LO speed until the ignition switch is turned OFF if the fail-
safe control is activated while the front wiper is set in the INT mode and the front wiper
motor is operating.
Rear window defogger
Rear window defogger relay OFF
A/C compressor
A/C relay OFF
Front fog lamps (if equipped)
Front fog lamp relay OFF
Ignition switch
Ignition relay
Tail lamp relay
ON
ON
—
OFF
OFF
—
Ignition switch
Front wiper switch
Auto stop signal
ON
OFF
Front wiper stop position signal cannot be
input 10 seconds.
ON
The signal does not change for 10 seconds.
2010 Pathfinder
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
SEC-111
< ECU DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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DTC Index
INFOID:0000000005484819
NOTE:
The details of TIME display are as follows.
• CRNT: The malfunctions that are detected now
• 1 - 39: The number is indicated when it is normal at present and a malfunction was detected in the past. It
increases like 0
→
1
→
2 ··· 38
→
39 after returning to the normal condition whenever IGN OFF
→
ON. It is
fixed to 39 until the self-diagnosis results are erased if it is over 39. It returns to 0 when a malfunction is
detected again in the process.
CONSULT-III display
Fail-safe
TIME
NOTE
Refer to
No DTC is detected.
further testing
may be required.
—
—
—
—
U1000: CAN COMM CIRCUIT
×
CRNT
1 – 39
2010 Pathfinder
SEC-112
< SYMPTOM DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION SYMPTOMS
SYMPTOM DIAGNOSIS
INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION SYMPTOMS
Symptom Table
INFOID:0000000005259023
NOTE:
• Before performing the diagnosis in the following table, check “
”.
• Check that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and
check each symptom.
• Engine cranking is enabled when the shift lever is in the "Park" position, and in the "Neutral" position only if
the brake pedal is depressed.
• If the following symptoms are detected, check systems shown in the “Diagnosis/service procedure” column
in this order.
CONDITIONS OF VEHICLE (OPERATING CONDITIONS)
• Engine start function is ON when setting on CONSULT-III.
• Mechanical key is not inserted in key cylinder.
• One or more of Intelligent Keys with registered Intelligent Key ID is in the vehicle.
Symptom
Diagnosis/service procedure
Reference
page
Ignition switch does not turn on with Intelligent Key.
[green "KEY" lamp is displayed]
1.
Check steering lock solenoid.
2.
Replace Intelligent Key unit.
Ignition switch does not turn on with Intelligent Key.
["KEY" lamp does not display]
1.
Check Intelligent Key unit power supply and ground circuit.
2.
Check ignition knob switch.
3.
Check key switch (BCM input).
4.
Check key switch (Intelligent Key unit input).
5.
Replace Intelligent Key unit.
6.
Check green "KEY" indicator.
7.
Check red "KEY" indicator.
Ignition switch does not turn on with Intelligent Key.
[red "KEY" lamp is displayed]
1a.
Check inside key antenna 1 (instrument panel).
1b.
Check inside key antenna 2 (luggage compartment).
1c.
Check inside key antenna 3 (center console).
2.
Replace Intelligent Key unit.
Ignition switch does not turn on with mechanical key
1.
Check key switch (BCM input).
2.
Check key switch (Intelligent Key unit input).
Engine cannot be cranked with transmission in "Park"
or in "Neutral" position with brake pedal depressed
1.
Check transmission signal.
2.
Check stop lamp switch.
"P-SHIFT" indicator does not operate properly
1.
Check "P-SHIFT" indicator.
2010 Pathfinder
VEHICLE SECURITY SYSTEM SYMPTOMS
SEC-113
< SYMPTOM DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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VEHICLE SECURITY SYSTEM SYMPTOMS
Symptom Table
INFOID:0000000005259024
*: Check the system is in the armed phase.
Procedure
Diagnostic procedure
Refer to page
Symptom
1
Vehicle security sys-
tem cannot be set by
····
Door switch
Check door switch (LF, RF, LR, RR, back)
Glass ajar switch
Check glass ajar switch
Intelligent Key
Check Intelligent Key system
Key cylinder switch
Check key cylinder switch
—
Check Intermittent Incident
Security indicator does not turn ON.
Check vehicle security indicator
Check Intermittent Incident
2
* Vehicle security
system does not
sound alarm when ····
Any door is opened.
Check door switch (LF, RF, LR, RR, back)
Glass ajar switch
Check glass ajar switch
—
Check Intermittent Incident
3
Vehicle security
alarm does not acti-
vate.
Horn alarm
Check horn switch
Check Intermittent Incident
4
Vehicle security sys-
tem cannot be can-
celed by ····
Intelligent Key
Check Intelligent Key system
Key cylinder switch
Check key cylinder switch
—
Check Intermittent Incident
2010 Pathfinder
SEC-114
< SYMPTOM DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS SYMPTOMS
NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS SYMPTOMS
Symptom Table
INFOID:0000000005259025
NOTE:
• Before performing the diagnosis in the following table, check “
”.
• Check that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and
check each symptom.
• If the following symptoms are detected, check systems shown in the “Diagnosis/service procedure” column
in this order.
CONDITIONS OF VEHICLE (OPERATING CONDITIONS)
• Mechanical key is not inserted into key cylinder.
• Ignition knob switch is not depressed.
Symptom
Diagnosis/service procedure
Reference page
Security indicator does not turn ON or flash.
1. Check vehicle security indicator
2. Check Intermittent Incident
2010 Pathfinder
PRECAUTIONS
SEC-115
< PRECAUTION >
[WITH INTELLIGENT KEY SYSTEM]
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PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000005510397
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SR and SB section of this Service Man-
ual.
WARNING:
• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in
the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal
injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see the SR section.
• Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Instruction. SRS wiring harnesses can be identified by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Airbag Diagnosis Sensor Unit or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or electric power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor(s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers, always switch the Ignition OFF, disconnect the
battery, and wait at least 3 minutes before performing any service.
Precaution Necessary for Steering Wheel Rotation After Battery Disconnect
INFOID:0000000005259029
NOTE:
• This Procedure is applied only to models with Intelligent Key system and NATS (NISSAN ANTI-THEFT SYS-
TEM).
• Remove and install all control units after disconnecting both battery cables with the ignition knob in the
″
LOCK
″
position.
• Always use CONSULT-III to perform self-diagnosis as a part of each function inspection after finishing work.
If DTC is detected, perform trouble diagnosis according to self-diagnostic results.
For models equipped with the Intelligent Key system and NATS, an electrically controlled steering lock mech-
anism is adopted on the key cylinder.
For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and
steering wheel rotation will become impossible.
If steering wheel rotation is required when battery power is interrupted, follow the procedure below before
starting the repair operation.
OPERATION PROCEDURE
1. Connect both battery cables.
NOTE:
Supply power using jumper cables if battery is discharged.
2. Use the Intelligent Key or mechanical key to turn the ignition switch to the
″
ACC
″
position. At this time, the
steering lock will be released.
3. Disconnect both battery cables. The steering lock will remain released and the steering wheel can be
rotated.
4. Perform the necessary repair operation.
2010 Pathfinder
SEC-116
< PRECAUTION >
[WITH INTELLIGENT KEY SYSTEM]
PRECAUTIONS
5. When the repair work is completed, return the ignition switch to the
″
LOCK
″
position before connecting
the battery cables. (At this time, the steering lock mechanism will engage.)
6. Perform a self-diagnosis check of all control units using CONSULT-III.
2010 Pathfinder
NATS ANTENNA AMP.
SEC-117
< ON-VEHICLE REPAIR >
[WITH INTELLIGENT KEY SYSTEM]
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ON-VEHICLE REPAIR
NATS ANTENNA AMP.
Removal and Installation
INFOID:0000000005259030
NOTE:
• If NATS antenna amp. is not installed correctly, NVIS (NATS) system will not operate properly and "SELF-
DIAG RESULTS" on CONSULT-III screen will show "LOCK MODE" or "CHAIN OF IMMU-KEY".
• Initilization is not necessary when only the NATS antenna amp. is replaced with a new one.
REMOVAL
1. Disconnect the battery negative terminal. Refer to
PG-78, "Removal and Installation"
2. Remove cluster lid A. Refer to
3. Remove the bolt, disconnect the electrical connector (1), and
remove the NATS antenna amp (2).
INSTALLATION
Installation is in the reverse order of removal.
AWKIA1481ZZ
2010 Pathfinder
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