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Chevrolet IMPALA 3.9L 2009, Руководство по установке системы CNG, Страница: 31 / 32

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Sequent P&D ECM

Battery

+

-

Red Red

Blk Blk Blk

Brn

OEM ECM Connector X2

OEM ECM Conn X1

20

40

19

18

37

17

57

68

L- #  2222 (Yel)

L- #  2222 (Blu)

Yel

Not Used

Yel/Blk

Wht

L- #  1111 (Blu)

L- #  1111 (Yel)

Brn

Not Used

Not Used

Not Used

Gry

OEM OBD-II

J1962 Data Link

Connector

Grn

Pnk

Pur/Wht

From Bank 1

HEGO Sensor #1

Heat-Shrink Cap Over

End of Pigtail

(Wires Hidden)

From CKP Sensor

Wht/Blk

Wht/Blk

19

Pnk

Pur/Wht

Fuel Tank

Level Sensor

(CNG Manometer)

Sequent

MAP Sensor

Reducer

Temp Sensor

Lockoff #1

Lockoff #2

L- EV REAR

5 Amp

Fuse

Gray Heat-Shrink Tube

LPG

Reg/

Conv

Inj #1

Inj #2

Inj #3

Inj #4

Inj #5

Inj #6

L- #  1

L- #  22

L- #  333

B2

INJ 1 Fuse

20A

Inj #5

Inj #3

Inj #1

Inj #6

Inj #4

Inj #2

Lt Grn/Blk

Lt Blu/Blk

Yel/Blk

Tan

Lt Grn/Blk

Lt Blu/Blk

Yel/Blk

Tan/Wht

Pnk/Blk

Tan

Pnk/Blk

Tan/Wht

L- #  4444

L- #  55555

L- #  666666

L- #  22 (Org)

L- #  4444 (Org)

L- #  1 (Org)

L- #  333 (Org)

L- #  666666 (Org)

Underhood Fuse Box

Connector X1

L- #  55555 (Org)

L- #  666666 (Vio)

L- #  4444 (Vio)

L- #  22 (Vio)

L- #  1 (V

io)

L- #  333 (V

io)

L- #  55555 (V

io)

Diagnostic

Connecor

Changeover

Switch

Buzzer

OEM Fuel Rail (Bank 2)

OEM Fuel Rail (Bank 1)

Bank 2

Bank 1

To OEM

Injectors

25 Amp

Fuse

Relay

2009 3.5/3.9L Chevy Impala Sequent P&D

Installer’s Wiring Diagram

Rev-B

NOTES:

1)  Wire LASER imprints are indicated

adjacent to wire with an “L-” and wire

color in apprenthesis.

     Example:  L- #  666666 (Org)

Technician installed splice

Wht/Grn

Pnk/Blk

Pnk/Blk

Pnk

L- EV FRONT

2009 GM 3.5/3.9L

ECM Connectors

View From Wire Side

Passenger Side of Vehicle

Engine Firing Order:

1-2-3-4-5-6

OEM Fuel Rails

Fuel Temp

& Press

Sensor

Sequent P&D

Fuel Rails

Fuel Supply Hoses

J3

ECM-IGN Fuse

10A

Underhood Fuse Box

Connector X1

Underhood Fuse Box

Connector X1

(56 Cavity, Blk)

INJ

5-6-7

INJ

1-2-3

Tan/ Blk

Tam

From OEM ECM

Tan

Tan/Blk

Содержание IMPALA 3.9L 2009

Страница 1: ...Rev B...

Страница 2: ...al 11 C Intake Manifold Modifications 11 D Zenith Regulator and Coolant Hose Installation 13 E Lockoff and High Pressure Tubing Installation 14 F Fuel Rail Installation 15 G CNG Low Pressure Hose Conn...

Страница 3: ...ICULAR FUEL SYSTEMS TO THE EXTENT THESE STANDARDS ARE NOT IN VIOLATION WITH FEDERAL STATE OR LOCAL LAW IN CANADA REFER TO CAN CGA CNG INSTALLATION CODES LPG AND OR NATURAL GAS INSTALLATIONS ON STATION...

Страница 4: ...Before working on any fuel system read and understand all manufacturers recommended procedures 9 Before working on any fuel system make sure you have local code approved safety goggles face shields g...

Страница 5: ...Remove all kit package contents and verify all parts are included and undamaged Do not attempt to repair any damaged parts Contact IMPCO Technologies for replacement of damaged or missing parts Part...

Страница 6: ...PI A 005 SEQUENT WARRANTY REGISTRATION 1 H5 15342 1 TUBING HEATSHRINK 3 16 BULK 4 ft T4 50880 001 TERM EYE 1 4 STUD 12 10 GA 2 T4 50879 001 TERMINAL WIRE SPLICE 22 16 GA 35 92920000 Washer Flat M6 DIN...

Страница 7: ...er mounting banjo bolt 15 22 ft lbs 20 30 Nm CNG high pressure filter blocking screw 37 52 ft lbs 50 70 Nm CNG manometer 15 30 ft lbs 20 40 Nm CNG pressure temperature sensor 20 5 23 5 ft lbs 28 32 Nm...

Страница 8: ...ons Family NOTE If the Emissions label identification information does not match exactly you CANNOT install the system in the vehicle Installation in a non certified vehicle may be punishable by a fin...

Страница 9: ...physical inspection Start the engine and inspect the exhaust for signs of excessive smoke Remove the engine dip stick and inspect the oil condition Change oil and filter if necessary Remove and inspe...

Страница 10: ...stall three Sequent injectors into each of the fuel rails and torque the injector nuts to 71 in lb 8 Nm Install the Fuel Temperature Pressure Sensor into the longer of the two rails and torque the sen...

Страница 11: ...er Tighten the manometer so it is in the approximate position keeping the torque between 15 30 ft lbs 20 40 Nm 5 Install the High Pressure Filter onto the regulator Rotate the filter to the position s...

Страница 12: ...es and torque them to 62 in lbs 7 Nm NOTE Hose illustrated not actual length Sample Illustration 9 After all fuel hoses have been cut to length and assembled wrap one of the maximum fuel working press...

Страница 13: ...m the engine for clarification DO NOT remove the lower intake manifold from the engine 2 Before drilling tapping the runners cover all of the intake ports and OEM injector holes except for those on th...

Страница 14: ...perpendicular to the runner face Repeat steps 3 5 for the remaining five intake runners When finished clean all traces of metal chips from the intake runners 5 Apply a light coat of Loxeal to each of...

Страница 15: ...r intake manifold for the brass vacuum port adapter using the 5mm drill and the 6mm tap Clean all traces of metal chips from the manifold Apply a light coat of Loxeal to the adapter threads before ins...

Страница 16: ...Tees and the Regulator coolant hose nipples 5 Slide hose clamps onto the two hoses and install them onto the Tees 6 Tighten the six clamps on the Tees and remove the hose pliers 7 Slide two more hose...

Страница 17: ...ck tower IMPORTANT If the vehicle has ABS be sure to allow for clearance between the Lockoff and the ABS Unit lines 4 Using code approved fuel line and fittings fabricate a fuel line to connect betwee...

Страница 18: ...formed hose onto the Regulator fuel nipple slide two fuel hose clamps onto the hose and install the other end onto the single Y inlet nipple 5 Slide two fuel hose clamps onto the other preformed hose...

Страница 19: ...ent tools to achieve the best crimps possible before working on the vehicle s wiring harness The first is the U style splice crimp used to splice the Sequent P D harness circuits to the OEM harness ci...

Страница 20: ...to the battery cables will help minimize this risk U Style Splice Crimps Heat the terminal and apply the solder in the center of the crimp fold allowing it to wick into the joint Do not worry if some...

Страница 21: ...to 1 strips Install one of the strips over the first wire to be reworked 6 Steps 6 through 9 should be done on the wires one at a time Referring to the 2009 3 5L Impala P D Installer s Wiring Diagram...

Страница 22: ...tions Crimp and solder the terminals onto the red and black battery wires NOTES The B connection can be made directly to the battery or fuse box DO NOT connect to any circuit directly connected to the...

Страница 23: ...engine for clarification purposes only L Sequent MAP Sensor Installation 2 Fabricate the MAP Sensor bracket as illustrated Mount the MAP sensor in the bracket torqueing the nut to 20 5 23 5 ft lbs 28...

Страница 24: ...ver Switch can be installed in either a 9 16 diameter hole or a 7 8 diameter hole The 7 8 hole is preferable if the location surface is textured and less than 3 32 thick If the 9 16 hole is to be used...

Страница 25: ...e fuel temperature pressure sensor 3 Connect the regulator temperature sensor 4 Connect lockoff 5 Connect the Sequent ECM O Final Connections 1 Connect the high pressure CNG line to the lockoff Leak t...

Страница 26: ...aseous operation position When the system begins changing over to CNG operation the engine should continue running without hesitation or stumbling If the engine begins running rough during the changeo...

Страница 27: ...y registration is available on IMPCO Technologies Website http www impco ws sequent tools asp requires login If Internet registration is not possible fill out the warranty card completely and drop it...

Страница 28: ...E85 Notice label on the inside of the fuel door 4 Put the Sequent P D Owner s Guide in the a prominent location on the dash or center console where the customer can easily locate it It is strongly rec...

Страница 29: ...ressure check all other maintenance items are in the IMPCO Owner s Guide Supplement Consult the guide for maintenance schedules 1 The Lockoff fuel filter replacement requires the following parts Part...

Страница 30: ......

Страница 31: ...Blk Tan Wht L 4444 L 55555 L 666666 L 22 Org L 4444 Org L 1 Org L 333 Org L 666666 Org Underhood Fuse Box Connector X1 L 55555 Org L 666666 Vio L 4444 Vio L 22 Vio L 1 Vio L 333 Vio L 55555 Vio Diagno...

Страница 32: ...56 1 Gas Inj Ctrl 15 Wht Grn Pnk Blk Not Used Pnk Blk B2 L 1 Vio L 22 Vio L 333 Vio L 4444 Vio L 55555 Vio L 666666 Vio OEM OBD II J1962 Connector Sequent P D Wiring Schematic 2009 3 5 3 9L Chevy Impa...

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