Summary of Contents for Link G4 Storm
- Page 1 Link G4 Storm Link G4 Xtreme Wiring & Installation Manual Copyright 2009 Link ElectroSystems Ltd...
-
Page 2: Table Of Contents
2 MAP Sensor ........................... 22 3 TPS Wiring ........................... 24 4 Engine Coolant Temperature Sensor ........................... 25 5 Intake Air Temperature Sensor ........................... 25 6 Narrow Band Oxygen Sensor ........................... 26 7 Wide Band Oxygen Sensor ........................... 27 © 2009 Link... -
Page 3: Contents
3 Communicating With Your ECU ........................... 50 Part XI First Time Setup 1 Pre-start Checks ........................... 51 2 Initial Setup ........................... 51 3 Trigger Calibration ........................... 57 4 First Time Startup ........................... 58 5 Essential Tuning Adjustments ........................... 60 Index © 2009 Link... -
Page 4: Part I Introduction
LinkWire-In systems are deigned to be wired to either existing wiring or preferably as a complete re-wire. In some cases adapter looms or header boards can be purchased to allow wiring of the G4 ECU to factory ECU headers. Contact your nearest Link dealer for more information on these. -
Page 5: Part Ii Choosing A Configuration
Introduction 2. Technical Support Email: tech@LinkECU.com 3. Online Discussion Board: Available from the Link website. The majority of questions received by the technical support team are clearly answered in the manuals. To speed up your technical inquiry please consult the manuals to make sure that your question has not already been answered. -
Page 6: Ignition Outputs
· Any function requiring an output activated by temperature, manifold pressure (MAP), RPM, gear position, digital input state etc. · Water Injection / nitrous oxide control (uses PWM) · Inter-cooler Water Spray · Air Conditioning Clutch / Fan · General Purpose PWM © 2009 Link... -
Page 7: Analog/Temperature Inputs
G4 ECU's have up to 10 Digital Inputs that can be configured for sensors/ switches such as: · Vehicle Speed Sensor · Antilag Switch · Clutch Switch (for launch control and flat shifting) · High / Low Boost Switch · Water Spray Switch · Dual Fuel / Ignition Map Switch © 2009 Link... -
Page 8: Trigger Inputs
Set-up of the trigger inputs is performed using PCLink Tuning Software. Contact your nearest Link dealer for advice on wiring and set-up of trigger inputs if unsure. Trigger 1 is used to determine crankshaft position. Trigger 2 is used to determine the engines position in the firing order. - Page 9 Digital Input 2 Variable Valve Timing Cam Position Sensor Digital Input 3 A/C Request Switch Digital Input 4 I/C Spray Switch Digital Input 5 Start Position Switch Digital Input 6 Power Steer Switch Digital Inputs 7 to 10 © 2009 Link...
-
Page 10: Installer Io Table
+5V Out TPS and MAP sensor power +5V Power OUT +8V Out Ignition 1 Ignition 2 Ignition 3 Use spare Ignition Ignition 4 channels for switching type Ignition 5 Auxiliary Outputs Ignition 6 Ignition 7 Ignition 8 © 2009 Link... - Page 11 (Shared with An Volt 2 on Storm) Digital Input 4 Digital Input 5 Frequency Input or Switch Input Digital Input 6 Digital Input 7 Switch Input Only Digital Input 8 Digital Input 9 Digital Input 10 Installer IO Table © 2009 Link...
-
Page 12: Part Iii Component Installation Locations
If vibration levels will be excessively high, some form of soft or rubber mounting is advisable to prevent component and wiring fatigue. Preferably igniters should be mounted on the chassis rather than the engine to reduce vibration. © 2009 Link... -
Page 13: Map Sensor Location
Ideally the MAP sensor should be mounted higher than the inlet manifold so that moisture will not condense in the MAP sensor hose. Storm Header Pinout Viewed looking into ECU header (or wire side of loom connector) * Pin can be used as either An Volt 2 or DI 4 © 2009 Link... -
Page 14: Part V Xtreme Header Pinout
G4 Wiring and Installation Manual Xtreme Header Pinout Viewed looking into ECU header (or wire side of loom connector) © 2009 Link... -
Page 15: Part Vi Power And Ground Wiring
· When the main relay is turned off all other relays will turn off. However, the high current supplied by the other relays is NOT drawn through the main relay. © 2009 Link... -
Page 16: Aux9/10
This allows external disconnection of the supply to these drivers as a safety measure when electronic throttle control is used. If electronic throttle control is not being used connect this wire to the same power supply as the ECUs +14V In wire. If wiring with © 2009 Link... -
Page 17: Power Ground
Care must be taken as some optical and hall sensors are designed to use a 5V supply and may be damaged if supplied with 8V. If a 5V supply is required then the '+5V Out' may be used. © 2009 Link... -
Page 18: Ecu Hold Power Wiring
The correct operation of this wiring system can be tested by listening for a pause of a few seconds between switching the key off and the ECU and Main relays switching off. The ISC stepper motor may also be heard operating during this period. © 2009 Link... -
Page 19: Part Vii Input Signal Wiring
720 degree engine cycle. The Trigger 1 and Trigger 2 cables each include two wires surrounded by a braided shield. These have the following functions. © 2009 Link... -
Page 20: Reluctor/Magnetic Sensors
Reluctor sensors MUST be wired so that the ECU sees a positive voltage as the tooth approaches the sensor and a negative voltage as the tooth leaves the sensor. An oscilloscope is usually required to determine correct reluctor polarity. Correct Reluctor Polarity © 2009 Link... -
Page 21: Hall/Optical/Proximity Sensors
Note: many hall sensors will not tolerate 12V and require a 5V or 8V regulated supply. Most optical or hall sensors will require the 'Trigger Pull-up Resisters' to be turned on in. This is done in the 'Trigger 1' and 'Trigger 2' menus in PCLink Tuning Software © 2009 Link... -
Page 22: Map Sensor
The fuel pressure regulator's pressure signal is usually a good take-off point. However, do not be tempted to share the MAP sensor vacuum hose with other devices such as a boost gauge or in particular a blow off valve. © 2009 Link... - Page 23 2. Power - The ECUs +5V Out can power +5V MAP sensors otherwise power the sensor as per manufacturers specifications. 3. Ground - The MAP sensor MUST be grounded back at the ECU using a green Sensor Ground wire, not the engine block. MAP Sensor Wiring © 2009 Link...
-
Page 24: Tps Wiring
The third terminal must show a variable resistance between it and the ground terminal as the throttle position is changed. This is the TPS output and should be connected to any Analogue Volt input. © 2009 Link... -
Page 25: Engine Coolant Temperature Sensor
G4 ECU's are compatible with any NTC or PTC thermistor sensors. The default calibration is for either of the Bosch sensors listed above. In order to use a sensor with a different calibration you will need to know how the sensor’s resistance changes with temperature and © 2009 Link... -
Page 26: Narrow Band Oxygen Sensor
Caution: EGO sensors use ceramic material internally and are susceptible to impact damage. Handle probes carefully to avoid impacts at all times. Narrow Band Oxygen Sensor Wiring Typically narrow-band EGO sensors can be recognised as having one, two, three or four © 2009 Link... -
Page 27: Wide Band Oxygen Sensor
PCLink Tuning Software. GP Pressure and Temperature Sensor Wiring: · Signal – Analogue Volt Channel · Power – As per sensor manufacturers specification (can use ECU's +5V out if required) · Ground – Ground to ECU's Sensor Ground. © 2009 Link... -
Page 28: Digital Input Wiring
Vehicle Speed may be calculated using the output from a digital speedometer drive or in some cases from the speedometer assembly itself. This may be connected directly to a Digital Input. Some sensors will require that the Digital Inputs 'Pull-up Resister' is enabled © 2009 Link... -
Page 29: Part Viii Output Wiring
Trigger Sensors. This includes the use of Sensor ground and shielded cables. Shielded cable for Digital Input wiring is not included in the standard loom but can be purchased from your Link dealer. Not using shielded cable can result in cam shaft position measurement errors. -
Page 30: High Impedance Injectors
BALLAST RESISTORS FITTED. Ballast resistors must be used to limit the current through the injectors and injector drive to avoid damage. It is recommended to wire a single injector to each injector drive. On engines with more than eight cylinders injectors should be paired. © 2009 Link... -
Page 31: Injection Mode
Do not use common 0.25W or 1.0W resistors, as these will burn out almost immediately. 50W resistors should be used. These are relatively uncommon at hobbyist shops, but are readily available from your Link dealer in groups of 2, 4, 6 or 8 resistors on a heat sink. 8.1.3 Injection Mode G4 ECUs have up to eight independent injector drives. - Page 32 Inj 4 = Sec 2 Inj 1 = Pri 1 Inj 4 = Sec 1 Inj 7-8 Spare Inj 2 = Pri 2 Inj 5 = Sec 2 Inj 3 = Pri 3 Inj 6 = Sec 3 © 2009 Link...
-
Page 33: Ignition Drives
8.2.1 Igniter Requirements An igniter acts as an interface between the ECU and the ignition coil(s). The Igniter is used to drive the coil(s) by supplying a ground for the coils negative terminal. Wiring of an igniter © 2009 Link... -
Page 34: Coil Requirements
The coil required for a particular application will depend largely on the method used to drive the coil and the spark energy requirements. Consult the igniter manufacturer for a recommended coil for use with a particular igniter. The required Dwell Time will be entirely dependent on the coils inductance. Dwell time © 2009 Link... -
Page 35: Ignition System Wiring
HT wiring. A distributed engine requires one ignition drive and a single channel igniter. Use Ignition Drive 1 to switch the igniter. Because the rotor will only point to each post on the distributor cap for a short amount of © 2009 Link... -
Page 36: Multi-Coil Wasted Spark Ignition
HT Leads. This will help reduce the electrical noise generated when the spark plugs are fired. Dual Post Coil The main concern when using dual post coils is the generation of electrical interference. This can interfere with ECU operation and cause unwanted static on car radios. The ignition © 2009 Link... - Page 37 Ign 3 Ign 2 Ign 1 Ign 4 Ign 2 Ign 1 Ign 3 Ign 2 Ign 3 Ign 4 Wasted spark Ignition Wiring Example - Wasted spark set-up for a 4 cylinder engine with 1-3-4-2 firing order. © 2009 Link...
-
Page 38: Multi-Coil Direct Spark Ignition
Ignition Drive 1 must be wired to cylinder 1 coil, Ignition Drive 2 to cylinder 2, 3 to 3, etc. Auxiliary Output Wiring G4 ECUs have up to 10 auxiliary outputs. Unused ignition and injection channels can also be used as auxiliary outputs. Auxiliary outputs are general-purpose outputs that may be © 2009 Link... -
Page 39: Low Side Driving (Switching To Ground)
(through a relay) source. Do NOT use a +12V hot supply (direct from the battery). Doing so may result in the ECU staying powered up when the key is switched off. © 2009 Link... -
Page 40: High Side Driving (Switching Power Supply)
To switch any large load through a relay, the wiring shown below should be used. Examples of such loads include fuel pumps, engine coolant fans and air conditioning compressor clutches. DO NOT wire high current devices directly to the ECU. © 2009 Link... -
Page 41: Switching An Led
This air may be bypassed using either a solenoid or stepper motor. G4 ECU's employ a sophisticated closed loop idle speed control system that provides factory like idle speed control. This system can be used to provide idle speed control using © 2009 Link... -
Page 42: Two Terminal Isc Solenoid
An ISC solenoid must be wired to a switched power supply. Note that some Nissan ISC solenoids are powered directly from the battery. This wiring must be changed, Wiring for two-terminal ISC solenoid on Auxiliary Output © 2009 Link... -
Page 43: Three Terminal Isc Solenoid
Aux 7 and 8 must be connected to the terminals for the other coil. If it is found that the stepper motor runs in the opposite direction to that expected, reverse the wiring to Aux 5 and Aux 6. © 2009 Link... -
Page 44: Six Terminal Isc Stepper Motor
Aux 7 and 8 must be connected to the terminals for the other coil. If it is found that the stepper motor runs in the opposite direction to that expected, reverse the wiring to Aux 5 and Aux 6 channels. © 2009 Link... -
Page 45: Tachometer
For compatibility, the following use of Digital Inputs and Auxiliary outputs is recommended for VVT wiring. Note that in practice any Digital Input/Auxiliary Output combination can be used. Cam Shaft Digital Input Auxiliary Output Inlet or Inlet LH DI 1 Aux 1 © 2009 Link... -
Page 46: Electronic Throttle Control
This section of the manual will be updated once the feature is enabled. E-Throttle Wiring Rotary Engine Wiring This section outlines wiring of G4 ECU's to Rotary engines. Wiring of Injection, Ignition and Metering Oil Pump control is covered. This applies to two, three and four rotor engines. © 2009 Link... -
Page 47: Rotary Injection Wiring
· Ensure the Ignition Mode is set to Rotary – Direct or Rotary – Leading Wasted. Do not use the generic Direct Spark or Wasted Spark modes. · Igniters must be wired. Do not wire coils directly to the ECU. · Spare Ignition drives can be used as additional auxiliary outputs if required. © 2009 Link... -
Page 48: Metering Oil Pump Wiring
Instructions for configuring and calibrating the ECU for Metering Oil Pump Control can be found in the PCLink Tuning Software online help (search Metering Oil Pump). These must be followed exactly to ensure accurate oil metering. This MUST be done before attempting to start the engine. © 2009 Link... -
Page 49: Part X Pc Tuning
Rotary Engine Wiring Your nearest Link dealer can provide you with a factory metering oil pump control calibration table if required. Motor Position Sensor PICTURE - motor pinout 1 – Black – Aux 7 Blue = +5V 2 – Red/White – Power Supply Yellow = Position Signal 3 –... -
Page 50: Communicating With Your Ecu
After PCLink Tuning Software installation, you will be able to connect the G4 ECU to the laptop to perform set-up and tuning work. 1. Connect the ECU to your laptop using a Link G4 ECU USB Cable. If not supplied with the ECU, these can be purchased from a Link dealer. No other adapter or cabling is required. -
Page 51: Pre-Start Checks
3. Check all oil and water levels are correct. Connecting to PCLink Tuning Software Use the following procedure to establish a connection between your Link ECU and PCLink Tuning Software tuning software. 1. Make sure your laptop battery is fully charged or plugged in to mains power. - Page 52 Turn each injection channel on one by one and check that the correct cylinders injector clicks. Fix any problems now if the injectors do not © 2009 Link operate. 12.Perform a Store to permanently save changes to the ECU by pressing F4.
- Page 53 At this stage it is not necessary to precisely set all limits. However, it is essential to ensure they are set to values that will not interfere with tuning procedures. It is advisable to err on the conservative side when setting limit values. © 2009 Link...
- Page 54 ECU by pressing F4. Digital Input Set-up This section configures the ECU's Digital Input channels for the devices they have been wired to. Preparing a configuration table as shown in Section 2.7 will greatly simplify set-up of Digital Inputs. © 2009 Link...
- Page 55 This section configures the ECU’s Analogue Input channels for the devices they have been wired to. Preparing a configuration table as shown in Section 2.7 will greatly simplify set-up of Analogue Inputs. Essential inputs are configured in this section. All steps must be performed on all applications. © 2009 Link...
- Page 56 These are probably the most critical set-up values. Do not attempt to start the engine unless you are 100% confident that these values are correct. If trigger information is unknown, consult your nearest Link dealer for further assistance. © 2009 Link...
-
Page 57: Trigger Calibration
Only after all pre-start checks have been made should an attempt be made to crank the engine. The following steps must be performed before an attempt is made to start the engine to ensure the ECU is calibrated to precisely measure engine position. © 2009 Link... -
Page 58: First Time Startup
2000-4000 RPM where engine speed is stable and a more consistent timing reading can be obtained. 11.4 First Time Startup After performing all set-up instructions given in previous sections, including trigger calibration, the engine is now ready to be started. The following procedure should be used for first time start-up: © 2009 Link... - Page 59 Don’t forget to keep an eye on engine temperature. 11.Once the engine is warmed up and running well, perform another trigger calibration (known “as setting the base timing”). 12.Perform a Store by pressing F4. © 2009 Link...
-
Page 60: Essential Tuning Adjustments
Vary the supply voltage to the injector and measure minimum pulse width at which the injectors will flow for a particular voltage. This is the required dead-time for that injector at that tested voltage. To determine injector dead time on a running engine, with the engine fully warmed and © 2009 Link... - Page 61 Master Master should be set so that the numbers in the middle of the fuel table end up around a value of 50. This is to allow sufficient span of the numbers in the main fuel table. © 2009 Link...
-
Page 62: Index
Oxygen Sensor (Wideband) Wiring First Time Startup Four Terminal Stepper Wiring - P - Fuel Injector Wiring PC Tuning - G - Pinout - Storm Pinout - Xtreme Getting Help Power and Ground Wiring Power Ground Wiring Power Supply Wiring © 2009 Link... - Page 63 Temperature Inputs Wiring Three Terminal ISC Solenoid Wiring TPS Wiring Trigger Calibration (Wiring Manual) Trigger Input Wiring Trigger Inputs Wiring Two Terminal ISC Solenoid Wiring - V - Variable Valve timing Solenoid Wiring - W - Wasted Spark Ignition © 2009 Link...