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Copyright © Prins Autogassystemen B.V. 2014 

VW Tiguan 1.4 CAXA / 

CAXC

 

 

VSI approval numbers 

 

 

 

    

 

 

 
     

 

 

Reducer VSI LPG Prins  : E4-67R-010054 
Lock-off valve OMB  

: E8-67R-014327 

Lock-off valve Valtek  

: E4-67R-010041 

Injector rail Prins :  LPG  E4-67R-010093 
 

 

 

CNG E4-110R-000021 

 

    

 

 

 

Filter unit T1 / T2 Prins : LPG E4-67R-010096 

                                      CNG E4-110R-000028 

       Filter unit Keihin            : LPG E4-67R-010177 

                                      CNG E4-110R-000091 

Injector Keihin : LPG E4-67R-010310 

                         CNG E4-110R-000295 

 

 

 

 

 

AFC Prins:  LPG E4-67R-010098 

 

 

 

       CNG E4-110R-000083 

LPG hoses Tubithor :LPG E13-67R-010145 

                                      CNG E13-110R-000017 
 

                Rubia : LPG E4-67R-010068 

                               CNG E4-110R-000003 

Summary of Contents for VSI-2.0

Page 1: ...EGORIES M or N M TYPE VSI INJECTOR COLOUR KN9 52cc VERSION LPG LPG DI 2 1 INJECTION SYSTEM BOSCH MED 17 5 5 MED 17 5 20 MODEL YEAR 2011 SYSTEM APPROVAL NUMBER R115 E4 115R 000020 VSI LPG 31 LOCATION SYSTEM STICKER right side centre door post ENGINE SET NUMBER 366 120007 A NUMBER 076 2613400 DATE 2014 06 20 Copyright Prins Autogassystemen B V 2014 VERSION NR 2013 08 20 C ...

Page 2: ... the inlet manifold couplings 10 Mounting the VSI injector rail 11 Mounting the Keihin filter unit 12 LPG hoses 13 LPG piping 14 Mounting the AFC Injection module 15 Mounting the fuel selection switch 16 Electrical connections 17 Electrical connections 18 Electrical connections 19 Electrical connections 20 Checklist after installation 21 Trouble code chart 22 FOR EXPLANATION AND CIRCUIT DIAGRAMS S...

Page 3: ...y be necessary to adjust the length of the wires Ensure maximum care is taken when connecting wiring Make professional joints using solder and shrink sleeve Do not stretch the wiring harness No component of the LPG system shall be located within 100 mm of the exhaust or similar heat source unless such components are adequately shielded against heat Remove any internal burrs after having shortened ...

Page 4: ... Portable light Assortment drill bits 4 to 12 mm Assortment cutters ø 20 30 50 70 mm Punching tool ø 70 mm Round file Portable drill or pneumatic drill Thread cutting device male M6x1 M8x1 M10x1 Pipe flaring tool for 6 and 8 mm copper pipe Air gun Vacuum cleaner Hot air gun Allan spanner for inlet couplings 3 5mm part nr 099 9970 Reducer adjustment tool part nr 099 9960 Molex extraction tool for V...

Page 5: ...PAGE 4 076 2613400 Copyright Prins Autogassystemen B V 2014 VW Tiguan 1 4 CAXA CAXC 4 Base diagram ...

Page 6: ...altek E4 67R 010041 Injector rail Prins LPG E4 67R 010093 CNG E4 110R 000021 Filter unit T1 T2 Prins LPG E4 67R 010096 CNG E4 110R 000028 Filter unit Keihin LPG E4 67R 010177 CNG E4 110R 000091 Injector Keihin LPG E4 67R 010310 CNG E4 110R 000295 AFC Prins LPG E4 67R 010098 CNG E4 110R 000083 LPG hoses Tubithor LPG E13 67R 010145 CNG E13 110R 000017 Rubia LPG E4 67R 010068 CNG E4 110R 000003 ...

Page 7: ... Filter unit J interruption petrol injectors C Injector rail K Overpressure coupling D AFC L R115 Approval sticker E Injection module M Grommet F Water connections N MAP signal G ignition 13 P Petrol high pressure sensor signal H Engine speed signal RPM Q Petrol low pressure sensor signal R115 approval sticker Right side centre door post ...

Page 8: ...W Tiguan 1 4 CAXA CAXC 7 Mounting the reducer Remove plastic support if present Mount reducer bracket with M10 bolt and washer Mount back plastic support Connect hoses to reducer Connect hoses to reducer Mount reducer with nut and spring washer to reducer bracket ...

Page 9: ...1 4 CAXA CAXC 8 Water connections Cut lower heater hose connection against firewall Mount 2x 16x16mm water connectors Mount water hoses to just mounted connectors Water hose routing Fixate with pull straps Water hose routing Mount hoses to reducer Fixate hoses with clamp ...

Page 10: ...Autogassystemen B V 2014 VW Tiguan 1 4 CAXA CAXC 9 Overpressure MAP connection Remove the inlet manifold Drill a hole for the overpressure and MAP coupling see picture Ø5mm drill cut M6x1 threat install couplings with a locking compound ...

Page 11: ...ld Carefully remove the heater from the manifold Drill 4 holes of 9 mm in the inlet manifold Cut M10x1 thread in these holes Place the VSI couplings with a lock compound in the inlet manifold Watch out that the lock compound doesn t come inside the VSI couplings and place the inlet manifold back on the engine 4x Nylon hoses 35cm cut on length later ...

Page 12: ...PAGE 11 076 2613400 Copyright Prins Autogassystemen B V 2014 VW Tiguan 1 4 CAXA CAXC 11 Mounting the VSI injector rail Mount the bracket to the engine mount the injector rail to the bracket ...

Page 13: ... B V 2014 VW Tiguan 1 4 CAXA CAXC 12 Mounting the Keihin filter unit Mount filter unit on bracket Mount filter unit bracket on original engine support Mount LPG hose from reducer to filter with protection Mount 11mm LPG hose from filter to injector rail ...

Page 14: ...ction Y piece 16 5 Y piece Inlet manifold coupling vacuum 148 6 VSI injector 1 Nylon hose cyl 1 5 6 VSI injector 2 Nylon hose cyl 2 5 6 VSI injector 3 Nylon hose cyl 3 5 6 VSI injector 4 Nylon hose cyl 4 5 General info In Case of a Keihin filter only use two M6x10mm bolts with spring washers Cut the LPG hoses on length Cut the nylon hoses on length make sure that the inlet of the nylon hose faces ...

Page 15: ...PAGE 14 076 2613400 Copyright Prins Autogassystemen B V 2014 VW Tiguan 1 4 CAXA CAXC 14 LPG piping ...

Page 16: ...Tiguan 1 4 CAXA CAXC 15 Mounting the AFC Injection module Mount injection module on bracket with 2x M6 bolts and spring washers Mount plastic AFC clip with quick clips to bracket Mount bracket to engine support Mount bracket to engine support Mount AFC onto AFC clip ...

Page 17: ... 2014 VW Tiguan 1 4 CAXA CAXC 16 Mounting the fuel selection switch When mounting the switch only push on its sides Pushing the switch in the centre may result in damage to the switch See general manual for programming the selection switch Drill hole Ø8 3mm ...

Page 18: ...SI injector to cylinder 4 27 5V Sensor 37 C ground 18 AD1 Red blue not used Brown black not used Blue white For measuring the inlet manifold pressure MAP Wire colour Yellow blue Wire location Petrol ECU connector T60 pin 55 17 AD2 25 DAC1 Blue green Green white High pressure petrol sensor signal interruption Sensor side ECU side Wire colour Grey blue Wire location Petrol ECU connector T60 pin 40 6...

Page 19: ...nder number Do not interchange the wires VSI measure wire nr Full coloured Bicoloured Module position Interrupt petrol injector wire VSI wire inj ecu 1 Petrol injector cyl 1 white white yellow B2 A2 Colour Brown black Location Petrol ECU connector T60 pin 33 VSI wire inj ecu 2 Petrol injector cyl 2 green green yellow A1 C2 Colour Brown white Location Petrol ECU T60 pin 49 MED 17 5 5 Location Petro...

Page 20: ...filter unit sensor 2 pole connector 24 12V reducer lock off 31 C Ground Yellow green Brown black Connect the connector to the reducer lock off valve 4 pole connector 46 Service TxD 65 Service RxD 68 Ground PDT Grey Grey Brown black Diagnose connector Tank wiring loom 2 12V Tank relay 12 Tank level IN 26 Ground tank relay red blue black Connect to the tank lock off Connect the tank level gauge Conn...

Page 21: ...ctrical connections Driver room 51 CAN1 High 70 CAN1 Low Yellow Green Connect to EOBD diagnose connector Pin 6 Pin 14 3 pole micro connector 66 Ground fuel switch 3 12V fuel switch 49 LIN fuel switch Brown black Red white Yellow Connect the 3 pole connector to the Prins fuel selection switch ...

Page 22: ...time is expired 5 Check all components and connections for any gas leakage use a LPG leak detector device or a fluid detection like soap Caution for moving and rotating parts in the engine compartment 6 Let the engine run warm on petrol 80 C Check if the evaporator heats up Check the engine signals petrol injection time RPM ECT lambda MAP signal petrol pressure signal Let the engine run idle on LP...

Page 23: ...en 320 Psys voltage to low Check the ground connection of the Pressure temperature sensor in the filter unit 321 Psys voltage to high Check the power connection of the Pressure temperature sensor in the filter unit 322 Psys 3 5 Bar Check the coolant temperature T ect and the evaporator for leakage of the first stage 330 unexpected parameter change Contact Prins Autogassystemen 340 reducer warms up...

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