engine NISSAN TIIDA 2007 Service Repair Manual

INTELLIGENT KEY UNIT
DLK-171
< ECU DIAGNOSIS >[WITH I-KEY, WITHOUT SUPER LOCK]
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Fail SafeINFOID:0000000001396640
DTC Inspection Priority ChartINFOID:0000000001396641
If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.
DTC IndexINFOID:0000000001396642
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-III Fail-safe Cancellation
B2013: STRG COMM 1  Inhibits steering look unlocking Erase DTC
B2552: INTELLIGENT KEY Inhibits steering look unlocking
 Inhibits engine cranking
(BCM)
Fuel cut
(ECM)Erase DTC
B2590: NATS MALFUNCTION Inhibits steering look unlocking
 Inhibits engine cranking
(BCM)
Fuel cut
(ECM)Erase DTC
Priority DTC
1 U1000: CAN COMM CIRCUIT
 U1010: CONTROL UNIT (CAN)
 B2552: INTELIGENT KEY
2 B2013: STRG COMM 1
 B2590: NATS MALFUNCTION
CONSULT display Detection condition Fail-safe Diagnosis
No DTC is detected.
further testing
may be required.———
U1000: CAN COMM CIRCUITIntelligent Key unit cannot receive CAN communi-
cation signal continuously for 2 seconds or more.—Check CAN communi-
cation system.
Refer to DLK-56
U1010: CONTROL UNIT (CAN)Intelligent Key unit detects internal CAN communi-
cation circuit malfunction.—Replace Intelligent Key
unit.
B2013: STRG COMM 1The ID verification result between Intelligent key
unit and steering lock unit are NG. Or Intelligent Key
unit cannot communicate with steering lock unit.×Perform steering lock
unit ID registration with
CONSULT-III
B2552: INTELLIGENT KEY Intelligent Key unit internal malfunction.×Replace Intelligent Key
unit.
B2590: NATS MALFUNCTIONThe ID verification result between Intelligent key
unit and BCM are NG. Or Intelligent Key unit cannot
communicate with BCM.×Check NATS
Refer to XX-XX, "*****"

BCM (BODY CONTROL MODULE)
DLK-189
< ECU DIAGNOSIS >[WITH I-KEY, WITHOUT SUPER LOCK]
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TURN SIGNAL LAMP CONTROL
BCM detects the turn signal lamp circuit status from the terminal voltage.
BCM increases the turn signal lamp blinking speed if the bulb or harness open is detected with the turn signal
lamp operating.
NOTE:
The blinking speed is normal while activating the hazard warning lamp.
LIGHT & RAIN SENSOR MALFUNCTION DETECTION FUNCTION
BCM controls the following items when LIGHT & RAIN sensor has a malfunction.
Auto Light Control
Headlamp is turned ON.
Front Wiper Control
The condition just before the activation of Fail-safe is maintained until the front wiper switch is turned OFF.
DTC Inspection Priority ChartINFOID:0000000001396648
DTC IndexINFOID:0000000001396649
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.
 PAST: Displays when there is a malfunction that is detected in the past and stored.
 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
B2190: NATS ANTENNA AMP Inhibits engine cranking
 Inhibits steering lock unlocking (Intelligent Key unit)
Fuel cut (ECM)Erase DTC
B2191: DIFFERENCE OF KEY Inhibits engine cranking
 Inhibits steering lock unlocking (Intelligent Key unit)
Fuel cut (ECM)Erase DTC
B2192: ID DISCORD BCM-ECM Fuel cut (ECM) Erase DTC
B2193: CHAIN OF BCM-ECM Fuel cut (ECM) Erase DTC
B2194: DISCORD BCM-I-KEY Inhibits engine cranking
 Inhibits steering lock unlocking (Intelligent Key unit)
Fuel cut (ECM)Erase DTC
B2195: ANTI SCANNING Inhibits engine cranking
 Inhibits steering lock unlocking (Intelligent Key unit)
Fuel cut (ECM)Erase DTC
B2196: DONGLE NG Inhibits engine cranking
 Inhibits steering lock unlocking (Intelligent Key unit)
Fuel cut (ECM)Erase DTC
Priority DTC
1 U1000: CAN COMM CIRCUIT
 U1010: CONTROL UNIT (CAN)
2 B2190: NATS ANTENNA AMP
 B2191: DIFFERNCE OF KEY
 B2192: ID DISCORD BCM-ECM
 B2193: CHAIN OF BCM-ECM
 B2194: DISCORD BCM-I-KEY
 B2195: ANTI SCANNING
 B2196: DONGLE NG

WARNING FUNCTION SYMPTOMS
DLK-199
< SYMPTOM DIAGNOSIS >[WITH I-KEY, WITHOUT SUPER LOCK]
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 Intelligent Key is registered.
 Key is not inserted in ignition switch.
 One or more registered Intelligent Keys are in the vehicle.
KEY WARNING LAMP DOES NOT ILLUMINATE
Conditions of Vehicle (Operating Conditions)
 Intelligent Key is registered.
 Mechanical key is out of ignition switch.
 One or more registered Intelligent Keys are in the vehicle.
ENGINE START CONDITION CHECK (LOCKED IGNITION KNOB)
NOTE:
 Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to DLK-
16, "Work Flow".
 If the following “symptoms” are detected, check systems shown in the ”Diagnoses/service procedure” col-
umn in this order.
WARNING LAMP
WARNING LAMP : Symptom TableINFOID:0000000001396659
WARNING LAMP OPERATION MALFUNCTION
NOTE:
 Before performing the diagnosis in the following table, check “Work Flow”. Refer to DLK-16, "
Work Flow".
 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)
Symptom Diagnosis/service procedure Reference page
Ignition switch does not turn on with Intelligent Key.
[KEY warning lamp (red) illuminates].1a. Check instrument panel inside key antenna.DLK-120
1b. Check front console inside key antenna.DLK-123
1c. Check rear floor inside key antenna.DLK-127
2. Replace Intelligent Key unit.SEC-79
Symptom Diagnosis/service procedure Reference page
Ignition switch does not turn on with Intelligent Key.
[GREEN key warning lamp does not illuminate].1. Check Intelligent Key unit power supply and ground cir-
cuit.DLK-59
2. Check ignition knob switch.DLK-80
3. Check key switch.DLK-77
4. Check "KEY" warning lamp (GREEN).DLK-146
5. Replace Intelligent Key unit.SEC-79
RED key warning lamp does not illuminate
[Without Intelligent Key].1. Check "KEY" warning lamp (RED).DLK-146
2. Replace Intelligent Key unit.SEC-79
Symptom Diagnosis/service procedure Reference page
Engine start condition check1. Check park/neutral position switch in combination meter (A/T)MWI-3
2. Check key interlock solenoid (M/T)DLK-137
3. Check stop lamp switch (A/T)DLK-138
4. Check stop lamp switch (M/T)DLK-140

SQUEAK AND RATTLE TROUBLE DIAGNOSES
DLK-203
< SYMPTOM DIAGNOSIS >[WITH I-KEY, WITHOUT SUPER LOCK]
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If the noise can be duplicated easily during the test drive, to help identify the source of the noise, try to dupli-
cate the noise with the vehicle stopped by doing one or all of the following:
1) Close a door.
2) Tap or push/pull around the area where the noise appears to be coming from.
3) Rev the engine.
4) Use a floor jack to recreate vehicle “twist”.
5) At idle, apply engine load (electrical load, half-clutch on M/T model, drive position on A/T model).
6) Raise the vehicle on a hoist and hit a tire with a rubber hammer.
 Drive the vehicle and attempt to duplicate the conditions the customer states exist when the noise occurs.
 If it is difficult to duplicate the noise, drive the vehicle slowly on an undulating or rough road to stress the
vehicle body.
CHECK RELATED SERVICE BULLETINS
After verifying the customer concern or symptom, check ASIST for Technical Service Bulletins (TSB) related to
that concern or symptom.
If a TSB relates to the symptom, follow the procedure to repair the noise.
LOCATE THE NOISE AND IDENTIFY THE ROOT CAUSE
1. Narrow down the noise to a general area. To help pinpoint the source of the noise, use a listening tool
(Engine Ear or mechanics stethoscope).
2. Narrow down the noise to a more specific area and identify the cause of the noise by:
 removing the components in the area that you suspect the noise is coming from.
Do not use too much force when removing clips and fasteners, otherwise clips and fastener can be broken
or lost during the repair, resulting in the creation of new noise.
 tapping or pushing/pulling the component that you suspect is causing the noise.
Do not tap or push/pull the component with excessive force, otherwise the noise will be eliminated only tem-
porarily.
 feeling for a vibration with your hand by touching the component(s) that you suspect is (are) causing the
noise.
 placing a piece of paper between components that you suspect are causing the noise.
 looking for loose components and contact marks.
Refer to DLK-204, "
Inspection Procedure".
REPAIR THE CAUSE
 If the cause is a loose component, tighten the component securely.
 If the cause is insufficient clearance between components:
- separate components by repositioning or loosening and retightening the component, if possible.
- insulate components with a suitable insulator such as urethane pads, foam blocks, felt cloth tape or urethane
tape are available through your authorized Nissan Parts Department.
CAUTION:
Do not use excessive force as many components are constructed of plastic and may be damaged.
NOTE:
 URETHANE PADS
Insulates connectors, harness, etc.
 INSULATOR (Foam blocks)
Insulates components from contact. Can be used to fill space behind a panel.
 INSULATOR (Light foam block)
 FELT CLOTHTAPE
Used to insulate where movement does not occur. Ideal for instrument panel applications.
The following materials, not available through NISSAN Parts Department, can also be used to repair
squeaks and rattles.
 UHMW(TEFLON) TAPE
Insulates where slight movement is present. Ideal for instrument panel applications.
 SILICONE GREASE
Used in place of UHMW tape that will be visible or not fit.
Note: Will only last a few months.
 SILICONE SPRAY
Use when grease cannot be applied.
 DUCT TAPE
Use to eliminate movement.
CONFIRM THE REPAIR

SQUEAK AND RATTLE TROUBLE DIAGNOSES
DLK-205
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Again, pressing on the components to stop the noise while duplicating the conditions can isolate most of these
incidents. Repairs usually consist of insulating with felt cloth tape.
SEATS
When isolating seat noise it is important to note the position the seat is in and the load placed on the seat
when the noise is present. These conditions should be duplicated when verifying and isolating the cause of
the noise.
Cause of seat noise include:
1. Headrest rods and holder
2. A squeak between the seat pad cushion and frame
3. Rear seatback lock and bracket
These noises can be isolated by moving or pressing on the suspected components while duplicating the con-
ditions under which the noise occurs. Most of these incidents can be repaired by repositioning the component
or applying urethane tape to the contact area.
UNDERHOOD
Some interior noise may be caused by components under the hood or on the engine wall. The noise is then
transmitted into the passenger compartment.
Causes of transmitted underhood noise include:
1. Any component mounted to the engine wall
2. Components that pass through the engine wall
3. Engine wall mounts and connectors
4. Loose radiator mounting pins
5. Hood bumpers out of adjustment
6. Hood striker out of adjustment
These noises can be difficult to isolate since they cannot be reached from the interior of the vehicle. The best
method is to secure, move or insulate one component at a time and test drive the vehicle. Also, engine RPM
or load can be changed to isolate the noise. Repairs can usually be made by moving, adjusting, securing, or
insulating the component causing the noise.

DLK-210
< PREPARATION >[WITH I-KEY, WITHOUT SUPER LOCK]
PREPARATION
PREPARATION
PREPARATION
Commercial Service ToolINFOID:0000000001315830
Tool name Description
Engine ear Locating the noise
Remover tool Remove the clips, pawls, and metal clips
Power tool Removing nuts and bolts
SIIA0995E
PIIB7923J
PIIB1407E

HOOD
DLK-217
< REMOVAL AND INSTALLATION >[WITH I-KEY, WITHOUT SUPER LOCK]
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5. Remove hood opener on bottom left of instrument panel, and
then remove hood lock cable.
6. Remove grommet on lower dashboard, and pull out hood lock
cable from passenger room side.
CAUTION:
While pulling the cable, be careful not to damage (peel)
hood opener cable outer surface on edges of body through
hole.
INSTALLATION
Installation is in the reverse order of removal.
 Perform hood fitting adjustment. Refer to DLK-213, "
Fitting Adjustment".
Hood Lock Reinforcement
When installing hood lock reinforcement, loosen hood bolts, and
then tighten bolts in the order as shown.
Hood Lock Cable
1. Pull the hood lock cable through the panel hole to the engine compartment.
CAUTION:
Be careful not to bend the cable too much, keeping the
radius 100 mm (3.94 in) or more.
2. Check that the cable is not offset from the positioning grommet,
and push the grommet into the panel hole securely.
3. Apply the sealant around the grommet (at * mark).
4. Install cable securely to lock.
5. After installing, check hood lock adjustment and hood opener
operation.
Hood Lock Control InspectionINFOID:0000000001315834
CAUTION:
If the hood lock cable is bent or deformed, replace it.
LIIA2667E
23.6 N·m (2.4 kg-m, 17 ft-lb)
PIIB6513E
PIIB5801E
PIIB6537E

DLK-278
< FUNCTION DIAGNOSIS >[WITH I-KEY & SUPER LOCK]
DIAGNOSIS SYSTEM (INTELLIGENT KEY UNIT)
DIAGNOSIS SYSTEM (INTELLIGENT KEY UNIT)
CONSULT-III Function (INTELLIGENT KEY)INFOID:0000000001396714
APPLICATION ITEM
CONSULT-III performs the following functions via CAN communication with Intelligent Key unit.
WORK SUPPORT
SELF-DIAG RESULT
Refer to XX-XX, "*****".
DATA MONITOR
Diagnosis mode Function Description
WORK SUPPORT Changes the setting for each system function.
SELF-DIAG RESULTS Displays the diagnosis results judged by Intelligent Key unit.
CAN DIAG SUPPORT MNTR Monitors the reception status of CAN communication viewed from Intelligent Key unit.
DATA MONITOR The Intelligent Key unit input/output signals are displayed.
ACTIVE TEST The signals used to activate each device are forcibly supplied from Intelligent Key unit.
ECU IDENTIFICATION The Intelligent Key unit part number is displayed.
Support item Description Selection item Condition
CONFIRM KEY FOB IDIt can check whether Intelligent Key ID code
is registered or not.——
TAKE OUT FROM WINDOW WARNTake away warning chime (from window)
mode can be changed.ON Active
OFF Inactive
LOW BATT OF KEY FOB WARNIntelligent Key low battery warning mode can
be changed.ON Active
OFF Inactive
KEYLESS FUNCTIONDoor lock function with Intelligent Key can be
changed.ON Active
OFF Inactive
ANSWER BACK FUNCTION Buzzer reminder operation can be changed.ON Active
OFF Inactive
SELECTIVE UNLOCK FUNCTION Anti-hijack mode can be changed.ON Active
OFF Inactive
HAZARD ANSWER BACKHazard reminder operation mode can be
changed.Refer to DLK-270
.
ANSWER BACK WITH I-KEY LOCKBuzzer reminder operation (lock operation)
mode by each door request switch can be
changed. BUZZER Active
OFF Inactive
ANSWER BACK WITH I-KEY UNLOCKBuzzer reminder operation (unlock operation)
mode by each door request switch can be
changed.BUZZER Active
OFF Inactive
AUTO RELOCK TIMERAuto door lock operation mode can be
changed.OFF Inactive
2 min Active
ENGINE START BY I-KEYEngine start function (by Intelligent Key)
mode can be changed. ON Active
OFF Inactive
LOCK/UNLOCK BY I-KEYDoor lock function by door request switch can
be changed. ON Active
OFF Inactive

B2552 INTELLIGENT KEY
DLK-283
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B2552 INTELLIGENT KEY
DescriptionINFOID:0000000001396722
Intelligent key unit performs engine start operation and steering lock control by crosschecking ID with the Intel-
ligent key.
DTC LogicINFOID:0000000001396723
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES >> Refer to DLK-283, "Diagnosis Procedure".
NO >> INSPECTION END.
Diagnosis ProcedureINFOID:0000000001396724
1.REPLACE INTELLIGENT KEY UNIT
1. Replace Intelligent Key unit. Refer to SEC-79, "
Removal and Installation".
2. Perform initialization with CONSULT-III. Re-register all mechanical keys. Refer to “CONSULT-III operation
manual NATS-IVIS/NVIS”.
3. Start the engine.
Does the engine start?
YES >> INSPECTION END
NO >> Perform “DTC confirmation procedure”. Refer to DLK-283, "
DTC Logic".
Special Repair RequirementINFOID:0000000001396725
1.REQUIRED WORK WHEN REPLACING INTELLIGENT KEY UNIT
Initialize control unit. Refer to CONSULT-III operation manual.
>> Work end.
DTC No.Trouble diagnosis
nameDTC detecting condition Possible cause
B2552INTELLIGENT KEY
UNITMalfunction is detected inside Intelligent
key unit.Intelligent Key unit

DLK-380
< COMPONENT DIAGNOSIS >[WITH I-KEY & SUPER LOCK]
INTELLIGENT KEY BATTERY AND FUNCTION
INTELLIGENT KEY BATTERY AND FUNCTION
DescriptionINFOID:0000000001530384
The following functions are available when having and carrying the Intelligent Key.
 Door lock/unlock
 Back door open (hatchback)
 Trunk lid release (sedan)
 Engine start
Remote control entry function is available when operating the remote buttons.
Component Function CheckINFOID:0000000001530385
1.CHECK FUNCTION
With CONSULT-III
Check remote keyless entry receiver "RKE OPE COUN1" in DATA MONITOR mode with CONSULT-III.
Is the inspection result normal?
YES >> Intelligent Key is OK.
NO >> Refer to DLK-380, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000001530386
1.CHECK INTELLIGENT KEY FUNCTION
Do doors lock and unlock when using the Intelligent Key buttons?
YES or NO?
YES >> Intelligent Key is OK.
NO >> GO TO 2.
2.CHECK INTELLIGENT KEY BATTERY
Check by connecting a resistance (approximately 300Ω) so that the
current value becomes about 10 mA.
Is the measurement value within specification?
YES >> Intelligent Key battery is OK.
NO >> Replace Intelligent Key battery.
Component InspectionINFOID:0000000001530387
For battery removal and installation, refer to XX-XX, "*****".
Special Repair RequirementINFOID:0000000001530388
Refer to CONSULT-III Operation Manual.
Monitor item Condition
RKE OPE COUN1 Check that the numerical value is changing while operating the Intelligent Key.
Standard : Approx. 2.5 - 3.0V
OCC0607D