Manual
SI & Imperial Series
SI & Imperial Series
Thank you very much for purchasing our product.
This product is an additional product for providing information to automobile users about engine conditions
and other important factors. Before installing and using the product, please read this manual and the
warranty card thoroughly. All sections are for customers and installation personnels. After installation,
please keep this manual and the warranty card for future reference. In the event that this product (or the
vehicle in which it is installed) is lent to or transferred to another person, please be sure this operation
manual and warranty card accompany the product.
Defi will not be held responsible for accidents or damages related to installation of this product.
When installing and operating this product, be sure to read the cautionary items in the operation manual for
the vehicle in which this product will be installed in addition to the manual of this product. Please obtain a
full understanding of the cautionary items and use the product accordingly. Before using the product,
please confirm all the components are included in the package.
http://www.defi-shop.com/
Safety Warning
Please read carefully.
In this manual, the degree of hazard arising from actions such as improper operation is separated into the 3
levels "Danger," "Warning," and "Caution." In addition, instructions that must be followed for safe and
proper use of this product as well as practices that must be maintained are marked with a "Confirmation"
heading. Please read and become familiar with these sections.
Indicates the imminent dangerous situation of death or serious injury if the product is
Danger
mishandled.
Warning
Indicates the possibility of death or serious injury if the product is mishandled.
Indicates a conceivable source of personal injury or damage to equipment if the product
Caution
is improperly operated.
Confirmation
Indicates an instruction that must be performed or practice that must be maintained.
Indicates attention needs to be paid. (Including warnings)
Prohibited
Indicates restricted actions. (PROHIBITED actions)
Indicates actions that need to be carried out. (MUST actions)
Must
Before handling (for installation personnel)
Danger
Ensure that the vehicle will remain stationary and turn off the engine before installing this product. Failure to do so
could result in a fire, and could make the vehicle move during installation.
Remove the key from the ignition and disconnect the negative (-) battery terminal prior to installation of this product.
Failure to do so could result in a fire caused by an electrical short circuit.
Take care not to install this product in a way that interferes with safety equipment such as seat belts and air bag
systems or vehicle operation equipment such as engine controls, steering wheel or brake systems. Interference
with normal operation of the vehicle can result in an accident or fire.
Solder or use a solderless connector for wiring connections and make sure connections are insulated. In areas
where there could be tension or sudden impacts on the wiring, safeguard the wiring with corrugated tubing or other
shock absorbent material. Accidental shorts can cause fires.
When wiring power supply wire, to avoid the risk of electrical shock or fire, be sure to confirm that there is no
disconnection or breakage of wire. Poor connection can result in short-circuit, electrical shock, fire, or other hazards.
Discontinue use of this product if a blowout of the fuse has occurred. Continued use while the condition exists could
result in an accident, fire, or damage to the vehicle.
Use the fuse of regulated capacity when the fuse of the power wire is changed. Using a fuse that exceeds regulated
capacity may cause fire and may affect the accuracy.
Do not install the product at the wet places. It may result in a fire caused by an electrical short circuit.
Warning
Carefully consider the installation location and driver's operation of the product before installation. Do
not install the product where it interrupts driving and the safety deices of vehicle such as the airbag
system.
Be sure not to install the unit where it could fall. Improper installation or operation could
cause the product to fall and damage the vehicle or cause serious danger by impeding driving.
Do not disassemble or modify this product. Such actions will not only void the warranty but also
damage or destroy the product.
Do not perform installation of this product immediately after the engine has been switched off. The
engine and exhaust system are extremely hot at this time and can cause burns if touched.
Ensure that the wiring of this product does not have an adverse impact on the other wiring of the vehicle. Any
controlling devices or other electronic components of the vehicle could be damaged.
Discontinue use of this product if the product doesn't operate or operates improperly. Continued use while the
condition exists could result in an accident or fire.
Please keep children and infants away from the installation area. Children may swallow small parts or be injured in other ways.
Do not install this product in the area where safety equipment such as airbags are mounted. This may cause more
injuries in the event of an accident.
Caution
This product is designed for use on 12V vehicles. Do not install this product on vehicles with 24V systems.
Insulate any unused wires. If any wires or connectors loosen during installation, please make sure
they are correctly reattached.
Do not drop any of the components of this product. It may result in damage to the product.
Do not apply excessive force on switches/terminals. It may result in damage to the product.
Do not use wires other than the provided wires.
Do not attach wires on the body of the vehicle or engine parts as this may result in damage to the product.
Install wires away from ignition and also radio signal frequency interference as this could cause the gauges to malfunction.
Do not place wires near the engine, exhaust pipe or turbine. It may result in damage or fusion of wires.
Make sure the waterproof processing is done when diverging wires in the engine compartment.
When installing the sensor, do not bend the wire near the sensor body.
Wear gloves to avoid burns when soldering and cuts when installing wires, sharp edges of parts.
Install sensors away from hot or wet places.
When using sunshade, put sunshade between products and windshield to avoid direct sun exposure .
Use the dried soft cloth for cleanup. Do not use the cleaner except for the neutral detergent. It result in the trouble.
Do not share single fuse with multiple gauges. Every gauge requires independent fuse for IGN and +B line.
Do not pull the wires out of connectors forcefully. The connectors may be broken and the
wires may be cut. When pulling out the wires, press the lock firmly and unclip the locks of
connectors.
Do not install gauges into the passenger side or center of the dashboard. It doesn't meet
vehicle safety standards.
Confirmation
Be sure to follow all instructions in this manual to ensure safe installation and operation of the product.
When the negative (-) battery terminal is disconnected, equipment such as clocks and audio components having
internal memory may lose their memory data. Follow the operation manual of each component to reset data after
installation of this product.
Do not lay the gauge face down due to oil leakage. Angle "A" must be more than 90 degrees.
After installation is complete, return this operation manual, warranty card, and the package to
the customer along with the warranty.
The gauge pointer may not be in the proper position when you purchase the product. Normal
function will resume when power is connected.
Please confirm with the maintenance book on the car that the manufacturer issued when installing and detaching
genuine parts.
Before tapping wires, check the voltage of the existing wire. After tapping the wire, check the voltage of the tapped
wire again to confirm whether you have tapped into the proper place.
If car navigation system or car television is installed in vehicle, gauges and wires of this product need to be kept as
far away as possible from the wiring and installing positions of car navigation system or car television. Failure to do
so may result in interference of television display.
On no event will Nippon Seiki Co., Ltd. be liable to you for any damages or losses of genuine parts for your vehicle
while installing.
About Installation and Operation(for customer and installation personnel)
Warning
'12.07-2
Please have this product installed by the retail store or dealer where it was purchased. Installation by the customer
IMPORTANT
will void the warranty.
Do not disassemble or modify this product. Such actions will not only void the warranty but also damage or destroy the product.
In order to ensure safe driving, check the information on the gauge only for short periods of time. Looking at the
display for long periods of time could distract adequate attention from the road and result in an accident.
Discontinue use of this product if the gauge doesn't operate, water gets into the unit, or smoke or a strange odor
WEAR
comes from the unit. If such a condition occurs, contact the sales outlet or installation personnel as soon as
SAFETY GLASSES
possible. Continued use while the condition exists could result in an accident or fire.
Do not operate during driving.
Fix the switch unit and other parts tightly to the vehicle to avoid that children swallow those.
Caution
On no event will Nippon Seiki Co., Ltd. be liable to you for any damages arising out of the use or inability to use the
product, even if Nippon Seiki Co., Ltd. has been advised of the possibility of such damage.
Do not pull the wires out of connectors forcefully. The connectors may be broken and
the wires may be cut. When pulling out the wires, press the lock firmly and unclip the
locks of connectors.
Confirmation
This product cannot be linked to either the ADVANCE System or the Defi-Link System.
The information displayed on this product are for reference purposes only. Please drive according to the indication
of vehicle's originally equipped instruments.
This product uses high luminance LEDs. When several gauges are lined up, there might be color difference in the
LED production tolerance, but it is not malfunction.
Please check the installed product regularly. Durability might deteriorate according to use conditions, etc.
Lineup (for customer)
SI models
Illumination color
Blue
Red
Size(mm)
TURBO
PRESS.
TEMP.
EXT.T.
VOLT
Imperial models
Illumination color
Blue
Red
Size(mm)
BOOST
DF06501
DF06502
PRESS.
DF06601
DF06602
TEMP.
DF06701
DF06702
E.G.T.
DF06801
DF06802
VOLT
DF07004
DF07005
Main Features (for customer)
Stepping motor "STEP MASTER VS-2" provides smooth operation.
Ignition ON initiates self-luminescence gauge.
Illumination using high-brightness LEDs
Lightning-like Opening / Closing mode
Self-diagnostics function monitors both sensor disconnection and short-circuiting during startup.
a) Sensor disconnection check
This function reports any in-proper connections, broken or disconnected sensor or sensor
wire. The pointer will wave between 250 and 260 degrees.
b) Short-circuiting check
This function indicates any short circuit on the sensor or sensor wire.
The pointer will wave between 10 and 20 degrees.
Full 270 sweep dial provides ultimate visibility.
A mounting bracket and instrument case is provided with the product.
The red triangle of the regular position bezel can be used as a warning indicator and others.
Product Specifications for customer and installation personnel
Power-supply voltage: 10V to 15V DC (12V vehicles only)
disassemble/
Current consumption: +B line: MAX 120mA (Dark current 0mA)
modify
IGN line: MAX 120mA
ILM line: MAX 2mA
Temperature range (humidity is assumed to be 80% or lower) Unit: °C(°F)
Temperature range for storage
Gauge
-30 -22
~ +80(176)
Boost sensor
-30 -22 ~ +100(212)
Pressure sensor
-30 -22 ~ +140(284)
Temperature sensor
-30 -22 ~ +150(302)
Exhaust temperature sensor
-30 -22 ~ +130(266)
The upper temperature limit of sensor connectors is 105
221°F .
The sensing part of exhaust temp. sensor is not included in the temperature range above.
24V
Dial color: Black (invisible until the ignition is turned on)
Illumination color: Blue, red, and white *The color cannot be switched.
Dimensions: See reverse side.
Installation
or customer and installation personnel
How to wire the power supply wire
1) Disconnect negative ( - ) battery cable.
Disconnect negative ( - ) battery cable.
2) Connect the power supply wire as shown below.
3) Connect each sensor. Refer to "How to attach sensor" sections. (Except the Volt gauge)
4) Connect the sensor wire.
5) Reconnect negative ( - ) battery cable.
Sensor wire
Power supply wire
+B 0.3A
Fuse
IGN 0.3A
Confirmation
When several gauges are installed into a vehicle, use each power supply wire to connect gauges to
the vehicle independently. Do not join multiple power supply wires. Do not share single fuse with
multiple gauges. Every gauge requires independent fuse for IGN and +B line.
How to use the regular position bezel
How to attach Mounting bracket set
1) Cut the double sided tape as shown in figure 1.
2) Insert convex part of the mounting bracket over the legs of the meter cup. Attach the mounting
bracket to the meter cup with the bolt, nut, and washer included in the kit as shown in figure 2.
3) Attach one piece of double sided tape and the buffer on the gauge as shown in figure 3. (Cut the
buffer into suitable length when installing Φ 52(2 1/16") series.)
4) Pass the power supply wire and the sensor wire through the hole of the meter cup and connect them
to the gauge.
5) Place the gauge in the meter cup making sure that the wires are not sandwiched.
6) Attach double sided tape on the back of the mounting bracket as shown in figure 4. Bend the
mounting bracket to conform to the structure of the location where you intend to attach it.
Use appropriate dashboard cleaning liquids (commercially available) to clean the area
where the double sided tape will be attached.
Do not lay the gauge face down due to oil leakage. Angle "A" must be more than 90
degrees.
If the adherence of double sided tape is not enough, use commercial tapping screws.
figure 1
White
Display Range
Nut
figure 4
Mounting bracket
(rear side)
White
Display Range
Holes for screws
(Φ4.4mm)
DF06503
-30inHg 30PSI
DF06603
0 140PSI
DF06703
100 300 F
TURBO (DF065, DF115 series)
DF06803
400 2000 F
10 15V
DF07006
Components
Gauge 1pc
4mm x 3
(a)
Three way joint
Rubber hose (0.5m, 1 3/5ft)
(b)
1pc
Mounting bracket set
Double sided
tape 1pc
Temperature range for operation
Operation manual (this sheet) and warranty card are included other than the parts listed above. Keep them at hand.
-20(-4) ~ +60(140)
How to attach boost sensor
-30 -22 ~ +80(176)
-30 -22 ~ +120(248)
Attach with clamps.
-20 -4 ~ +150(302)
(commercially available)
-30 -22 ~ +130(266)
Rubber hose
1) The rubber hose attached to the sensor should be as short as possible. Attach the sensor with bolts
(M6) in the engine compartment in an area where it will not be subject to excess heat or vibration.
2) Access to the air pressure intake may be obtained between the surge tank and the fuel regulator.
(A)Detach the vacuum hose from the surge tank side that has less pressure oscillations and connect
it to the point (a) or (b) of the three way joint.
(B)In order to connect the surge tank with three way joint, cut the required length of the hose from
Sensor
the included rubber hose.
(C)Use the remaining rubber hose to connect the sensor to the three way joint.
Orange wire IGN (Ignition)
To 12V wire when ignition on
Red wire +B (12V Battery)
To avoid disconnection of rubber hose and air leak, attach hose clamps or use tie-wraps to secure the
To 12V battery wire
adjacent hose in the engine compartment. Disconnected hose or air leak could cause damage to the engine.
White wire +
Illumination)
To 12V wire when small lamp on
Black wire GND (Ground)
The length of the included rubber hose is 0.5m. Please adjust appropriately.
To ground or negative battery terminal
The included three-way joint can be used only for the piping inner diameter of Φ 4 between the surge
tank and fuel pressure regulator. In case of other than Φ 4, use another joint that fits properly.
The sensor must be installed being the rubber hose connection side faced down.
For vehicles which have a solenoid valve between the surge tank and the fuel pressure regulator,
place a three-way joint closer to the surge tank side than to the solenoid side.
PRESS. (DF066, 116 series)
Red triangle
Components
The red triangle can be used as an warning indicator.
To move the position of the red triangle, remove the bezel
once and then adjust the position and attach it again.
Confirmation
Mounting bracket set
figure 2
figure 3
Buffer
Double
Washer
sided tape
Operation manual (this sheet) and warranty card are included other than the parts listed above. Keep them at hand.
Bolt
How to attach pressure sensor for oil pressure (Use a commercial sensor attachment.)
[In case using screws]
Detach the original
element.
Attaching position
of buffer
Use screws commercially available as needed.
Light blue
3pins
Boost sensor 1pc
Sensor wire (2.5
8 1/5ft)
Power supply wire
1pc
(1m, 3 1/3ft) 1pc
Inside
diameter
4mm
Meter cup 1pc
Regular position
1pc
bezel 1pc
Fuel pressure regulator
Buffer
Mounting
M4 bolt, nut,
1pc
bracket 1pc
washer 1pc
Three-way joint
(a)
(c)
Surge tank
(b)
Fuel regulator
Sensor
*Be sure to be installed facing side the
hole down.
To sensor wire
Warning
Confirmation
Red
3pins
Gauge 1pc
Pressure sensor
Sensor wire (2.5m, 8 1/5ft)
Power supply wire
(1/8PT) 1pc
1pc
(1m, 3 1/3ft) 1pc
Meter cup 1pc
Regular position
bezel 1pc
Double sided
Buffer
Mounting
M4 bolt, nut,
tape 1pc
1pc
bracket 1pc
washer 1pc
Use a commercial
conversion adapter in case
Sensor attachment
the inlet of the sensor
(commercially available)
attachment is 1/8NPT.
Engine
Wind Teflon tape.
Be sure not to twist.
Thread size 1/8PT
O ring
(provided with commercial parts)
To sensor wire
Sensor
Engine
Warning
Be sure the sensor wire is not twisted when installing the sensor. The sensor wire will be cut.
Oil spills by the installation work. Please replenish the engine with oil. The engine might overheat
when oil is too little.
To avoid oil leaks by installing of the sensors, use Teflon tape. Before driving, inspect oil blocks for
leaks. Leaks could cause a fire or damage the engine.
Do not install the sensor near oil pump. Do not install the sensor to pressure switch directly. Failure to
do so could damage the sensor because the pressure pulsation is too big and exceed three times
full-scale momentarily.
To avoid the damage of the sensor wire, please fix the waterproof connector on the vehicle body and
do not bend the sensor wire near the sensor.
Confirmation
The thread size of the pressure sensor is 1/8PT. Use a sensor attachment of 1/8PT. If the thread
size of the sensor attachment for the pressure sensor is 1/8NPT, use a conversion adapter available
from hardware stores.
Tighten the sensor into the sensor attachment and then connect it to the sensor wire.
How to attach pressure sensor for fuel pressure (Use a commercial three-way joint and hose unions.)
*Cut the fuel feed pipe and
Use a commercial
install hose unions.
conversion adapter in case
*If the material used for the
the inlet of the three-way
inner surface of fuel feed
joint is 1/8NPT.
pipe is resin, a hose union
may not be fixed. Check the
material before cutting the
Wind Teflon tape.
fuel feed pipe.
Fuel return pipe
Be sure not to twist.
To sensor wire
(low pressure)
Hose union
(commercially
available)
Sensor
Three-way joint
Fix tightly with clamps.
(commercially available)
(commercially available)
Thread size 1/8PT
Fuel feed pipe (high pressure)
Warning
Be sure the sensor wire is not twisted when installing the sensor. The sensor wire will be cut.
Before cutting the fuel feed pipe, be certain to remove the gas cap to relieve any pressure built up in the
fuel tank.
When cutting the fuel feed pipe, be certain to discharge static electricity. Otherwise, there is a possibility
of the ignition in gasoline.
Wear glasses to protect eyes when cutting the fuel filter pipe.
To avoid fuel leaks during installation of the sensor, use Teflon tape. Attach hose connection and fuel
feed tubing with clamps. Inspect pipes and hose connections for leaks before driving.
To avoid the damage of the sensor wire, please fix the waterproof connector on the vehicle body and
do not bend the sensor wire near the sensor.
Confirmation
The sensor must be installed on the feed (high pressure) pipe side between the fuel tank and the
fuel pressure regulator.
*It is not possible to obtain accurate fuel pressure from the return (low pressure) side at the rear of the
fuel pressure regulator.
The thread size of hose unions and the three-way joint need to be 1/8PT. Use hose unions and a
three-way joint of 1/8PT. If the thread size of the three-way joint is 1/8NPT, use a conversion adapter
available from hardware stores.
Tighten the sensor into the sensor attachment and then connect it to the sensor wire.
Need help?
Do you have a question about the DF06501?DF06506, DF06601?DF06606, DF06701?DF06706, DF06801?DF06806,DF07004?DF07006, DF11501?DF11506, DF11601?DF11606 and is the answer not in the manual?
Questions and answers