Mechanical INFINITI FX35 2006 Owner's Guide

BL-224
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)
Revision: 2006 December 2006 FX35/FX45
4. CHECK POWER SUPPLY FOR NATS ANTENNA AMP.
Check voltage between NATS antenna amp. connector M25 terminal 1 (L/R) and ground with CONSULT-II or
tester.
OK or NG
OK >> GO TO 5.
NG >> Check harness for open or short between NATS antenna amp. and fuse.
5. CHECK NATS ANTENNA AMP. SIGNAL LINE- 1
Check voltage between NATS antenna amp. connector M25 terminal 2 (G/B) and ground with analogue tester.
OK or NG
OK >> GO TO 6.
NG >>

Check harness for open or short between NATS
antenna amp. and BCM.
NOTE:
If harness is OK, replace BCM, perform initialization
with CONSULT-II. For initialization, refer to “CONSULT-II Operation Manual NATS–IVIS/NVIS”.
6. CHECK NATS ANTENNA AMP. SIGNAL LINE- 2
Check voltage between NATS antenna amp. connector M25 terminal 4 (BR) and ground with analogue tester.
OK or NG
OK >> GO TO 7.
NG >>

Check harness for open or short between NATS
antenna amp. and BCM.
NOTE:
If harness is OK, replace BCM, perform initialization
with CONSULT-II. For initialization, refer to “CONSULT-II Operation Manual NATS–IVIS/NVIS”.
1 (L/R) – Ground : Battery voltage
PIIA6145E
Before inserting mechanical key in ignition knob
Voltage: 0V
Just after inserting mechanical key in ignition knob : Pointer of tester should move.
PIIA6146E
Before inserting mechanical key in ignition knob Voltage: 0V
Just after inserting mechanical key in ignition knob : Pointer of tester should move.
PIIA6147E

PRECAUTIONS BRC-3
[VDC/TCS/ABS]
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[VDC/TCS/ABS]PRECAUTIONSPFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
NFS000MW
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 SRS 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 per-
formed by an authorized NISSAN/INFINITI dealer.

Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section.

Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
harness connectors.
Precautions for Brake SystemNFS000MX

Recommended fluid is brake fluid “DOT 3”. Refer to MA-12, "RECOMMENDED FLUIDS AND LUBRI-
CANTS" .

Do not reuse drained brake fluid.

Be careful not to splash brake fluid on painted areas such as body. If brake fluid is splashed, wipe it off
and flush area with water immediately.

Do not use mineral oils such as gasoline or kerosene to clean. They will ruin rubber parts and cause
improper operation.

Using a flare nut crowfoot and torque wrench, securely tighten
brake tube flare nuts.

Brake system is an important safety part. If a brake fluid leak is
detected, always disassemble the affected part. If a malfunction
is detected, replace part with a new one.

Before working, turn ignition switch OFF and disconnect electri-
cal connectors of ABS actuator and electric unit (control unit) or
battery negative terminal.

When installing brake piping, be sure to check torque.
WARNING:
Clean brake pads and shoes with a waste cloth, then wipe with
a dust collector.
Precautions for Brake ControlNFS000MY

During VDC/TCS/ABS operation, brake pedal lightly vibrates and a mechanical noise may be heard. This
is normal.

Just after starting vehicle after turning ignition switch ON, brake pedal may vibrate or motor operating
noise may be heard from engine room. This is a normal status of operation check.

Stopping distance may be longer than that of vehicles without ABS when vehicle drives on rough, gravel,
or snow-covered (fresh, deep snow) roads.

When an error is indicated by ABS or another warning lamp, collect all necessary information from cus-
tomer (what symptoms are present under what conditions) and check for simple causes before starting
diagnostic servicing. Besides electrical system inspection, check booster operation, brake fluid level, and
fluid leaks.

If tire size and type are used in an improper combination, or brake pads are not Genuine NISSAN parts,
stopping distance or steering stability may deteriorate.
SBR686C

BRC-8
[VDC/TCS/ABS]
SYSTEM DESCRIPTION
Revision: 2006 December 2006 FX35/FX45
SYSTEM DESCRIPTIONPFP:00000
System DiagramNFS000N3
FunctionsNFS000N4
VDC

In addition to the TCS/ABS function, the driver steering amount and brake operation amount are detected
from steering angle sensor and pressure sensor, and the vehicle's driving status (amount of under steer-
ing / over steering) is determined from information from G sensor, wheel sensor, etc., and this information
is used to improve vehicle stability by controlling the braking and engine power to all four wheels.

SLIP indicator lamp flashes to inform the driver of VDC operation.

During VDC operation, body and brake pedal lightly vibrate and mechanical noises may be heard. This is
normal.

ABS warning lamp, VDC OFF indicator lamp, and SLIP indicator lamp might turn on when vehicle is sub-
ject to strong shaking or large vibration, such as when vehicle is on a turn table, a ship or a steep slope
such as bank while engine is running. In this case, restart engine on a normal road, and if ABS warning
lamp, VDC OFF indicator lamp, and SLIP indicator lamp turn off, there is no malfunction.
TCS

The wheel spin of the drive wheels is detected by ABS actuator and electric unit (control unit) from the
wheel speed signals from four wheels, so if wheel spin occurs, drive wheel right and left brake fluid pres-
sure control and engine fuel cut are performed while throttle value is restricted to reduce the engine
torque and decrease the amount of wheel spin. In addition, the degree throttle is opened is controlled to
achieve the optimum engine torque.

Depending on road circumstances, the driver may have a sluggish feel. This is normal, because the opti-
mum traction has the highest priority under TCS operation.

TCS may be activated any time vehicle suddenly accelerates, suddenly down/upshifts, or is driven on a
road with a varying surface friction coefficient.

During TCS operation, it informs a driver of system operation by flashing SLIP indicator lamp.
SFIA1160E

SYSTEM DESCRIPTION BRC-9
[VDC/TCS/ABS]
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Revision: 2006 December 2006 FX35/FX45
ABS

The Anti-Lock Brake System is a function that detects wheel revolution while braking, and it improves
handling stability during sudden braking by electrically preventing 4 wheel lock. Maneuverability is also
improved for avoiding obstacles.

If the electrical system malfunctions, then the fail-safe function starts, the ABS becomes inoperative, and
ABS warning lamp turns on.

Electrical system diagnosis by CONSULT-II is available.

During ABS operation, brake pedal lightly vibrates and a mechanical noise may be heard. This is normal.

When starting engine, or just after starting vehicle, brake pedal may vibrate or motor operating noises
may be heard from engine compartment. This is a normal status of operation check.

Stopping distance may be longer than that of vehicles without ABS when vehicle drives on rough, gravel,
or snow-covered (fresh, deep snow) roads.
EBD

The Electronic Brake Distribution is a function that detects subtle slippages between front and rear wheels
during braking, and it improves handling stability by electronically controlling the brake fluid pressure
which results in reduced rear wheel slippage.

In case of electrical system malfunction, the fail-safe function is activated, EBD and ABS becomes inoper-
ative, and ABS warning lamp and brake warning lamp are turned on.

Electrical system diagnosis by CONSULT-II is available.

During EBD operation, brake pedal lightly vibrates and a mechanical noise may be heard. This is normal.

When starting engine, or just after starting vehicle, brake pedal may vibrate or motor operating noises
may be heard from engine compartment. This is a normal status of operation check.

Stopping distance may be longer than that of vehicles without EBD when vehicle drives on rough, gravel,
or snow-covered (fresh, deep snow) roads.
Fail-Safe FunctionNFS000N8
VDC / TCS SYSTEM
In case of malfunction in the VDC/TCS system, VDC OFF indicator lamp and SLIP indicator lamp are turned
on, and the condition of vehicle is the same as the condition of vehicles without VDC/TCS system. In case of
malfunction in the VDC/TCS system, the ABS control continues to operate normally without VDC/TCS control.
CAUTION:
If the fail-safe function is activated, then perform the self-diagnosis for VDC/TCS/ABS control system.
ABS, EBD SYSTEM
In case of electrical malfunctions with the ABS, ABS warning lamp, VDC OFF indicator lamp and SLIP indica-
tor lamp will turn on. In case of electrical malfunctions with the EBD, brake warning lamp, ABS warning lamp,
VDC OFF indicator lamp and SLIP indicator lamp will turn on. Simultaneously, the VDC/TCS/ABS become one
of the following conditions of the fail-safe function.

For malfunction of ABS, only the EBD is activated and the condition of vehicle is the same condition of
vehicles without TCS/ABS system.
NOTE:
ABS self-diagnosis sound may be heard. That is a normal condition because a self-diagnosis for “Ignition
switch ON” and “The first starting” are being performed.

For malfunction of EBD, EBD and ABS become inoperative, and the condition of vehicle is the same as
the condition of vehicles without TCS/ABS, EBD system.

DI-2Revision: 2006 December 2006 FX35/FX45 Oil Pressure Warning Lamp Does Not Turn Off (Oil
Pressure Is Normal) ............................................. ... 49
Component Inspection ......................................... ... 51
OIL PRESSURE SWITCH ................................ ... 51
A/T INDICATOR ..................................................... ... 52
System Description .............................................. ... 52
MANUAL MODE ............................................... ... 52
NOT MANUAL MODE ...................................... ... 52
Wiring Diagram — AT/IND — .............................. ... 53
A/T Indicator Is Malfunction ................................. ... 55
WARNING CHIME .................................................. ... 56
System Description .............................................. ... 56
POWER SUPPLY AND CIRCUIT ..................... ... 56
IGNITION KEY WARNING CHIME (WITHOUT
INTELLIGENT KEY) ......................................... ... 57
IGNITION KEY WARNING CHIME (WITH INTEL-
LIGENT KEY) ................................................... ... 57
LIGHT WARNING CHIME ................................ ... 58
SEAT BELT WARNING CHIME ........................ ... 58
Component Parts and Harness Connector Location ... 59
Schematic ............................................................ ... 60
Wiring Diagram — CHIME — .............................. ... 61
Terminals and Reference Value for BCM ............. ... 64
Terminals and Reference Value for Unified Meter
and A/C Amp. ...................................................... ... 68
Terminals and Reference Value for Combination
Meter ................................................................... ... 69
CONSULT-II Function (METER A/C AMP) .......... ... 69
CONSULT-II Function (BCM) ............................... ... 69
DIAGNOSIS ITEMS DESCRIPTION ................ ... 69
CONSULT-II BASIC OPERATION .................... ... 69
DATA MONITOR ............................................... ... 69
ACTIVE TEST .................................................. ... 70
SELF-DIAG RESULTS ..................................... ... 70
Trouble Diagnosis ................................................ ... 70
HOW TO PERFORM TROUBLE DIAGNOSIS . ... 70
PRELIMINARY INSPECTION .......................... ... 71
Symptom Chart .................................................... ... 71
Power Supply and Ground Circuit Inspection ...... ... 71
Combination Meter Buzzer Circuit Inspection ...... ... 72
Front Door Switch (Driver Side) Signal Inspection ... 74
Key Switch Signal Inspection (Without Intelligent
Key) ..................................................................... ... 75
Key Switch and Ignition Knob Switch Signal Inspec-
tion (With Intelligent Key, When Mechanical Key Is
Used) ................................................................... ... 76
Lighting Switch Signal Inspection ........................ ... 77
Seat Belt Buckle Switch (Driver Side) Signal Inspec-
tion ....................................................................... ... 78
Component Inspection ......................................... ... 79
FRONT DOOR SWITCH (DRIVER SIDE) ........ ... 79
KEY SWITCH ................................................... ... 79
KEY SWITCH AND IGNITION KNOB SWITCH ... 79
SEAT BELT BUCKLE SWITCH (DRIVER SIDE) ... 79
LANE DEPARTURE WARNING SYSTEM ............. ... 80
Precautions for Lane Departure Warning (LDW)
system ................................................................. ... 80
System Description .............................................. ... 80 LDW SYSTEM OPERATION ............................
... 80
POWER SUPPLY AND GROUND CIRCUIT .... ... 82
Action Test ........................................................... ... 83
LDW SYSTEM RUNNING TEST ...................... ... 83
Camera Aiming Adjustment ................................. ... 83
OUTLINE .......................................................... ... 83
PREPARATION ................................................. ... 83
TARGET SETTING ........................................... ... 83
VEHICLE HEIGHT CHECK .............................. ... 86
AIMING ADJUSTMENT .................................... ... 86
Component Parts and Harness Connector Location ... 90
Schematic ............................................................ ... 91
Wiring Diagram — LDW — .................................. ... 92
Terminals and Reference Value for LDW Camera
Unit ....................................................................... ... 95
CONSULT-II Function (LDW) ............................... ... 95
DESCRIPTION ................................................. ... 95
CONSULT-II BASIC OPERATION .................... ... 95
WORK SUPPORT ............................................ ... 95
SELF-DIAG RESULTS ...................................... ... 95
DATA MONITOR ............................................... ... 96
ACTIVE TEST ................................................... ... 97
Trouble Diagnosis ................................................ ... 98
HOW TO PERFORM TROUBLE DIAGNOSIS . ... 98
SYMPTOM CHART ........................................... ... 98
Preliminary Inspection .......................................... ... 98
Power Supply and Ground Circuit Inspection ...... ... 99
DTC [C1B00] CAMERA UNIT MALF ................... .100
DTC [C1B01] CAM AIMING INCMP .................... .100
DTC [C1B02] VHCL SPD DATA MALF ................ .100
DTC [C1B03] ABNRML TEMP DETECT ............. .101
DTC [U1000] CAN COMM CIRCUIT ................... .101
DTC [U1010] CONTROL UNIT (CAN) ................. .101
LDW Chime Circuit Inspection ............................. .101
LDW Switch Circuit Inspection ............................. .102
LDW Indicator Lamp Circuit Inspection ................ .105
Turn Signal Input Inspection ................................ .106
Electrical Component Inspection ......................... .106
LDW SWITCH ................................................... .106
Removal and Installation for LDW Camera Unit .. .107
REMOVAL ......................................................... .107
INSTALLATION ................................................. .107
Removal and Installation for LDW Chime ............ .107
REMOVAL ......................................................... .107
INSTALLATION ................................................. .107
Removal and Installation for LDW Switch ............ .107
CAN COMMUNICATION ........................................ .108
System Description .............................................. .108
CAN Communication Unit .................................... .108
COMPASS .............................................................. .109
Precautions for Compass ..................................... .109
System Description .............................................. .109
Troubleshooting ................................................... .110
Zone Variation Setting Procedure ........................ . 111
Calibration Procedure .......................................... . 111
Wiring Diagram — COMPAS — ........................... .112
Removal and Installation of Compass .................. .113
CLOCK ................................................................... .114

WARNING CHIME DI-57
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IGNITION KEY WARNING CHIME (WITHOUT INTELLIGENT KEY)
With the key inserted into the key switch, and the ignition switch in OFF or ACC position, when driver's door is
opened, the ignition key warning chime will sound.

BCM detects key inserted into the key switch, ignition switch in OFF or ACC position, and front door
switch (driver side) ON. And then transmits buzzer output signal (ignition key warning chime) to unified
meter and A/C amp. with CAN communication.

Unified meter and A/C amp. transmits buzzer output signal (ignition key warning chime) to combination
meter with communication line.

When combination meter receives buzzer output signal (ignition key warning chime), it sounds the buzzer.
IGNITION KEY WARNING CHIME (WITH INTELLIGENT KEY)
When Mechanical Key Is Used
With the key inserted into the ignition switch, and the ignition switch LOCK or ACC position, when driver's door
is opened, the warning chime will sound.

BCM detects key inserted into the key switch, ignition switch in LOCK or ACC position, and front door
switch (driver side) ON. And then transmits buzzer output signal (ignition key warning chime) to unified
meter and A/C amp. with CAN communication.

Unified meter and A/C amp. transmits buzzer output signal (ignition key warning chime) to combination
meter with communication line.

When combination meter receives buzzer output signal (ignition key warning chime), it sounds the buzzer.
When Intelligent Key Is Carried With The Driver
Refer to BL-91, "WARNING AND ALARM FUNCTION" .
SKIB6481E
SKIB7258E

WARNING CHIME DI-71
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PRELIMINARY INSPECTION
1. CHECK BCM (CONSULT-II)
Perform self-diagnosis of BCM. Refer to DI-69, "
CONSULT-II Function (BCM)" .
Self
-diagnosis results
No malfunction detected >> GO TO 2.
Malfunction detected >> Check applicable parts, and repair or replace corresponding parts.
2. CHECK UNIFIED METER AND A/C AMP. (CONSULT-II)
Perform self-diagnosis of unified meter and A/C amp. Refer to DI-31, "
CONSULT-II Function (METER A/C
AMP)" .
Self
-diagnosis results
No malfunction detected >> INSPECTION END
Malfunction detected >> Check applicable parts, and repair or replace corresponding parts.
Symptom ChartNKS003I2
Power Supply and Ground Circuit InspectionNKS003I3
1. CHECK FUSE AND FUSIBLE LINK
Check for blown BCM fuses and fusible link.
OK or NG
OK >> GO TO 2.
NG >> Be sure to eliminate cause of malfunction before installing new fuse or fusible link. Refer to PG-3,
"POWER SUPPLY ROUTING CIRCUIT" .
Symptom Diagnoses/Service procedure
All warning chimes do not activate. Perform the following inspections.
1. DI-72, "
Combination Meter Buzzer Circuit Inspection".
2. DI-71, "
Power Supply and Ground Circuit Inspection".
Replace BCM, found normal function in the above inspections.
Ignition key
warning chime
does not acti-
vate. Without Intelligent Key.
Perform the following inspections.
1. DI-74, "
Front Door Switch (Driver Side) Signal Inspection".
2. DI-75, "
Key Switch Signal Inspection (Without Intelligent Key)".
Replace BCM, found normal function in the above inspections.
With Intelligent Key, when mechan-
ical key is used. Perform the following inspections.
1. DI-74, "
Front Door Switch (Driver Side) Signal Inspection".
2. DI-76, "
Key Switch and Ignition Knob Switch Signal Inspection (With Intelli-
gent Key, When Mechanical Key Is Used)".
Replace BCM, found normal function in the above inspections.
With Intelligent Key, when Intelli-
gent Key is carried with the driver. Refer to
BL-121, "
WARNING CHIME FUNCTION MALFUNCTION" .
Light warning chime does not activate. Perform the following inspections.
1. DI-74, "
Front Door Switch (Driver Side) Signal Inspection".
2. LT-120, "
Combination Switch Inspection".
Replace BCM, found normal function in the above inspections.
Seat belt warning chime does not activate. Perform
DI-78, "
Seat Belt Buckle Switch (Driver Side) Signal Inspection" .
Replace BCM, found normal function in the above inspection.
Power source Fuse and fusible link No.
Battery power supply M
22
Ignition power supply 1

DI-76
WARNING CHIME
Revision: 2006 December 2006 FX35/FX45
4. CHECK KEY SWITCH POWER SUPPLY CIRCUIT
Check voltage between key switch harness connector M23 terminal
2 and ground.
OK or NG
OK >> Replace BCM. Refer to BCS-15, "Removal and Installa-
tion of BCM" .
NG >> Check harness between key switch and fuse.
Key Switch and Ignition Knob Switch Signal Inspection (With Intelligent Key,
When Mechanical Key Is Used)
NKS003I7
1. CHECK BCM INPUT SIGNAL
With CONSULT-ll
1. Select “BCM”.
2. With “DATA MONITOR” of “BUZZER”, confirm “KEY ON SW” when the key is operated.
Without CONSULT-ll
Check voltage between BCM harness connector M3 terminal 37 and
ground.
OK or NG
OK >> INSPECTION END
NG >> GO TO 2.
2. CHECK KEY SWITCH AND IGNITION KNOB SWITCH
1. Turn ignition switch OFF.
2. Disconnect key switch and ignition knob switch connector.
3. Check key switch and ignition knob switch. Refer to DI-79, "
KEY SWITCH AND IGNITION KNOB
SWITCH" .
OK or NG
OK >> GO TO 3.
NG >> Replace key switch and ignition knob switch. 2 – Ground : Battery voltage
SKIA5051E
“KEY ON SW”
When key is inserted to ignition
key cylinder : ON
When key is removed from
ignition key cylinder : OFF
SKIA1960E
37 – Ground
When key is inserted to ignition
key cylinder : Approx. 12 V
When key is removed from
ignition key cylinder : Approx. 0 V
SKIA5048E

BASIC SERVICE PROCEDURE EC-77
[VQ35DE]
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Revision: 2006 December 2006 FX35/FX45
BASIC SERVICE PROCEDUREPFP:00018
Basic InspectionNBS003LP
1. INSPECTION START
1. Check service records for any recent repairs that may indicate a related malfunction, or a current need for scheduled maintenance.
2. Open engine hood and check the following:
–Harness connectors for improper connections
–Wiring harness for improper connections, pinches and cut
–Vacuum hoses for splits, kinks and improper connections
–Hoses and ducts for leaks
–Air cleaner clogging
–Gasket
3. Confirm that electrical or mechanical loads are not applied.
–Headlamp switch is OFF.
–Air conditioner switch is OFF.
–Rear window defogger switch is OFF.
–Steering wheel is in the straight-ahead position, etc.
4. Start engine and warm it up until engine coolant temperature indicator points the middle of gauge.
Ensure engine stays below 1,000 rpm.
5. Run engine at about 2,000 rpm for about 2 minutes under no load.
6. Make sure that no DTC is displayed with CONSULT-II or GST.
OK or NG
OK >> GO TO 3.
NG >> GO TO 2.
2. REPAIR OR REPLACE
Repair or replace components as necessary according to corresponding Diagnostic Procedure.
>> GO TO 3.
SEF983U
SEF976U
SEF977U

TROUBLE DIAGNOSIS EC-99
[VQ35DE]
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Revision: 2006 December 2006 FX35/FX45
SYSTEM — ENGINE MECHANICAL & OTHER
SYMPTOM Reference
page
HARD/NO START/RESTART (EXCP. HA)
ENGINE STALL
HESITATION/SURGING/FLAT SPOT
SPARK KNOCK/DETONATION
LACK OF POWER/POOR ACCELERATION
HIGH IDLE/LOW IDLE
ROUGH IDLE/HUNTING
IDLING VIBRATION
SLOW/NO RETURN TO IDLE
OVERHEATS/WATER TEMPERATURE HIGH
EXCESSIVE FUEL CONSUMPTION
EXCESSIVE OIL CONSUMPTION
BATTERY DEAD (UNDER CHARGE)
Warranty symptom code AA AB AC AD AE AF AG AH AJ AK AL AM HA
Fuel Fuel tank 5
5 FL-10
Fuel piping 5 5 5 5 5 5
EM-45
Vapor lock —
Valve deposit 5 555 55 5 —
Poor fuel (Heavy weight gaso-
line, Low octane) —
Air Air duct
55555 5 EM-17
Air cleaner
EM-17
Air leakage from air duct
(Mass air flow sensor — electric
throttle control actuator) 5555 EM-17
Electric throttle control actuator
EM-19
Air leakage from intake manifold/
Collector/Gasket EM-19,
EM-24
Cranking Battery 111111
1 1
SC-4
Generator circuit
SC-20
Starter circuit 3SC-8
Signal plate 6EM-123
Park/neutral position (PNP)
switch 4
AT- 11 2
Engine Cylinder head
55555 55 5 EM-101
Cylinder head gasket 4 3
Cylinder block
66666 66 6 4
EM-123
Piston
Piston ring
Connecting rod
Bearing
Crankshaft