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Jon.C

Link G4 stream to racepak iq3

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are there any general settings ore an file that can be transfered in to the can setting for iq3 on the link g4? 

i have some deviation in the readings between racepak dash and ecu values. 

if there is no file to insert what kind of values should the can settings be?

thanks, 

Jon

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Hi Jon

For CAN we send the data as follows on the Generic Dash stream.

Generic Dash CAN Data Format

 

All parameters are sent as 16 bit unsigned numbers, with low byte first.  Some parameters must be multiplied or offset (constant value added) to get the correct calibrated value.  The limits flags are sent through as a bit field (described below).

 

 

Data 0

Data 1

Data 2-3

Data 4-5

Data 6-7

Frame 1

0

0

Engine Speed

Display (RPM) = Raw

Range = 0 - 15000 RPM

MAP

Display (kPa) = Raw

Range = 0 - 650 kPa

MGP

Display (kPa) = Raw -100

Range = -100 - 550 kPa

Frame 2

1

0

Barometric Pressure

Display (kPa) = Raw * 0.1

Range = 0 - 200 kPa

TPS

Display (%) = Raw * 0.1

Range = 0-100%

Injector DC

Display(%) = Raw * 0.1

Range = 0-100 %

Frame 3

2

0

Injector DC (Sec)

Display (%) = Raw * 0.1

Range = 0 - 100%

Injector Pulse Width

Display (ms) = Raw * 0.001

Range = 0 - 65 ms

ECT

Display (deg C) = Raw - 50

Range = -50 - 205 deg C

Frame 4

3

0

IAT

Display (deg C) = Raw - 50

Range = -20 - 205 deg C

ECU Volts

Display (V) = Raw * 0.01

Range = 0 - 65 V

MAF

Display (g/s) = Raw * 0.1

Range = 0 - 6500 g/s

Frame 5

4

0

Gear Position

Display (gear) = Raw

Range = 0 - 6

Injector Timing

Display (deg) = Raw

Range = 0 - 719 deg

Ignition Timing

Display (deg) = (Raw * 0.1) - 100

Range = -100 - 100 deg

Frame 6

5

0

Cam Inlet Position L

Display (deg) = Raw * 0.1

Range = 0 - 60 deg

Cam Inlet Position R

Display (deg) = Raw * 0.1

Range = 0 - 60 deg

Cam Exhaust Position L

Display (deg) = Raw * -0.1

Range = -60 - 0 deg

Frame 7

6

0

Cam Exhaust Position R

Display (deg) = Raw * -0.1

Range = -60 - 0 deg

WBO2 1

Display (AFR) = Raw * 0.01

Range  = 0 - 65 AFR

WBO2 2

Display (AFR) = Raw * 0.01

Range  = 0 - 65 AFR

Frame 8

7

0

Trig 1 Error Counter

Display (counts) = Raw

Range = 0 - 255

Fault Codes

Display (code) = Raw

Range = 0 - 255

Fuel Pressure

Display (kPa) = Raw

Range = 0 - 6550 kPa

Frame 9

8

0

Oil Temp

Display (deg C) = Raw - 50

Range = -50 - 205 deg C

Oil Pressure

Display (kPa) = Raw

Range = 0 - 6550 kPa

Speed 1

Display (kph) = Raw * 0.1

Range  = 0 - 1000 kph

Frame 10

9

0

Speed 2

Display (kph) = Raw * 0.1

Range  = 0 - 1000 kph

Speed 3

Display (kph) = Raw * 0.1

Range  = 0 - 1000 kph

Speed 4

Display (kph) = Raw * 0.1

Range  = 0 - 1000 kph

Frame 11

10

0

Knock Level 1

Display (units) = Raw * 5

Range = 0 - 1000 units

Knock Level 2

Display (units) = Raw * 5

Range = 0 - 1000 units

Knock Level 3

Display (units) = Raw * 5

Range = 0 - 1000 units

Frame 12

11

0

Knock Level 4

Display (units) = Raw * 5

Range = 0 - 1000 units

Knock Level 5

Display (units) = Raw * 5

Range = 0 - 1000 units

Knock Level 6

Display (units) = Raw * 5

Range = 0 - 1000 units

Frame 13

12

0

Knock Level 7

Display (units) = Raw * 5

Range = 0 - 1000 units

Knock Level 8

Display (units) = Raw * 5

Range = 0 - 1000 units

Limits Flags - Refer bit field definition below.

 

Limits Flags Definition

Bit

 

0

RPM Limit

1

MAP Limit

2

Speed Limit

3

Maximum Ignition Flag

4

Anti-lag Ignition Cut

5

High Supply Voltage Limit

6

Overrun Flag

7

Traction Limit

8

Low Supply Voltage Flag

9

Launch RPM Limit

10

Wakeup Flag

11

GP RPM Limit 1

12

CL Stepper Limit

13

GP RPM Limit 2

14

EThrottle Limit

15

Cyclic Idle Active

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