Lemmiwinks - Revision history

Mike Jones: /* Channel summary */

2022-12-06T21:55:48Z

Channel summary

← Older revision		Revision as of 21:55, 6 December 2022
Line 63:		Line 63:
	\| vstfrk		\| vstfrk
	\|-		\|-
	\| 11 \|\| EGR Adjustment (~~unused~~)		\| 11 \|\| EGR Adjustment (Unused)
	\| %AGR EGR rate adjustment		\| %AGR EGR rate adjustment
	\| 0x380C62 byte		\| 0x380C62 byte
Line 73:		Line 73:
	\| vstrlx		\| vstrlx
	\|-		\|-
	\| 13 \|\| Control Bits		\| 13 \|\| Control Bits (Unused ?)
	\| Unused ?
	\| %LLRNS Adaptation of code word LL setpoint speed changeover		\| %LLRNS Adaptation of code word LL setpoint speed changeover
	\| 0x380C63 byte		\| 0x380C63 byte

Mike Jones: /* Channel summary */

2022-12-06T21:55:16Z

Channel summary

← Older revision		Revision as of 21:55, 6 December 2022
Line 11:		Line 11:
	==Channel summary==		==Channel summary==
	{\| class="wikitable"		{\| class="wikitable"
	! Ch. \|\| Name \|\| Function ~~\|\| Increase/decreasing value result~~ \|\| M-Box Address \|\| FR Designation		! Ch. \|\| Name \|\| Function \|\| M-Box Address \|\| FR Designation
	\|-		\|-
	\| 01 \|\| Idle Speed Offset		\| 01 \|\| Idle Speed Offset
	\| Adjust idle RPM level
	\| %LLRNS adjustment LL target speed		\| %LLRNS adjustment LL target speed
	\| 0x380C6D byte x10		\| 0x380C6D byte x10
Line 20:		Line 19:
	\|-		\|-
	\| 02 \|\| Fuel Tweak (Accel Pump) - Increasing Loads		\| 02 \|\| Fuel Tweak (Accel Pump) - Increasing Loads
	\| Fuel trim while load is increasing
	\| %ESUK adjustment factor BA		\| %ESUK adjustment factor BA
	\| 0x380C65 byte		\| 0x380C65 byte
Line 26:		Line 24:
	\|-		\|-
	\| 03 \|\| Fuel Tweak (Accel Pump) - Decreasing Loads		\| 03 \|\| Fuel Tweak (Accel Pump) - Decreasing Loads
	\| Fuel trimwhile load is decreasing
	\| %ESUK adjustment factor VA		\| %ESUK adjustment factor VA
	\| 0x380C69 byte		\| 0x380C69 byte
Line 32:		Line 29:
	\|-		\|-
	\| 04 \|\| Start Up Fuel Enrich		\| 04 \|\| Start Up Fuel Enrich
	\| Fuel trim during start
	\| %ESNST adjustment factor after start		\| %ESNST adjustment factor after start
	\| 0x380C66 byte		\| 0x380C66 byte
Line 38:		Line 34:
	\|-		\|-
	\| 05 \|\| Warm Up fuel Enrich		\| 05 \|\| Warm Up fuel Enrich
	\| Fuel trim during warmup
	\| %ESWL Adjustment factor warm-up		\| %ESWL Adjustment factor warm-up
	\| 0x380C6A byte		\| 0x380C6A byte
	\| vstfwl		\| vstfwl
	\|-		\|-
	\| 06 \|\| Lambda Regulation		\| 06 \|\| Lambda Regulation -NB O2 cycle time
	\| Controls NB O2 cycle time
	\| %LR adjustment factor lambda control TV offset		\| %LR adjustment factor lambda control TV offset
	\| 0x380C6B byte		\| 0x380C6B byte
Line 50:		Line 44:
	\|-		\|-
	\| 07 \|\| Additive Offset To Speed Limiter		\| 07 \|\| Additive Offset To Speed Limiter
	\| Speed limiter
	\| %VMAXMD V-lock adjustment		\| %VMAXMD V-lock adjustment
	\| 0x380C6F byte -128		\| 0x380C6F byte -128
Line 56:		Line 49:
	\|-		\|-
	\| 08 \|\| Secondary Fuel Tweak		\| 08 \|\| Secondary Fuel Tweak
	\| Additive fuel term
	\| %ESSTT Adjustment factor start		\| %ESSTT Adjustment factor start
	\| 0x380C68 byte x0.0078125		\| 0x380C68 byte x0.0078125
Line 62:		Line 54:
	\|-		\|-
	\| 09 \|\| Ignition Timing Offset		\| 09 \|\| Ignition Timing Offset
	\| Adjust overall timing
	\| %ZUE Additive ignition angle adjustment		\| %ZUE Additive ignition angle adjustment
	\| 0x380C64 byte x0.75		\| 0x380C64 byte x0.75
Line 68:		Line 59:
	\|-		\|-
	\| 10 \|\| Primary Fuel Tweak		\| 10 \|\| Primary Fuel Tweak
	\| Multiplicative fuel term
	\| %ESGRU adjustment factor basic adjustment		\| %ESGRU adjustment factor basic adjustment
	\| 0x380C64 byte x0.75		\| 0x380C64 byte x0.75
	\| vstfrk		\| vstfrk
	\|-		\|-
	\| 11 \|\| EGR Adjustment		\| 11 \|\| EGR Adjustment (unused)
	\| Unused w/VVT?
	\| %AGR EGR rate adjustment		\| %AGR EGR rate adjustment
	\| 0x380C62 byte		\| 0x380C62 byte
Line 80:		Line 69:
	\|-		\|-
	\| 12 \|\| SEL Scaling (Turbo Cars Only)		\| 12 \|\| SEL Scaling (Turbo Cars Only)
	\| Scale specified load
	\| %LDRLMX Adjustment of maximum charge pressure		\| %LDRLMX Adjustment of maximum charge pressure
	\| 0x380C6E byte x0.392156863		\| 0x380C6E byte x0.392156863
Line 86:		Line 74:
	\|-		\|-
	\| 13 \|\| Control Bits		\| 13 \|\| Control Bits
	\| Unused (??)		\| Unused ?
	\| %LLRNS Adaptation of code word LL setpoint speed changeover		\| %LLRNS Adaptation of code word LL setpoint speed changeover
	\| 0x380C63 byte		\| 0x380C63 byte
Line 92:		Line 80:
	\|-		\|-
	\| 14 \|\| Idle Torque Additive Offset		\| 14 \|\| Idle Torque Additive Offset
	\| Controls engine load at idle
	\| %LLRMR Adjustment torque reserve idle control		\| %LLRMR Adjustment torque reserve idle control
	\| 0x380C63 byte		\| 0x380C63 byte

Mike Jones: /* Channel summary */

2022-12-06T21:48:49Z

Channel summary

← Older revision		Revision as of 21:48, 6 December 2022
Line 11:		Line 11:
	==Channel summary==		==Channel summary==
	{\| class="wikitable"		{\| class="wikitable"
	! Ch. \|\| Name \|\| Function \|\| Increase/decreasing value result \|\| M-Box ~~Addrress~~ \|\| FR Designation		! Ch. \|\| Name \|\| Function \|\| Increase/decreasing value result \|\| M-Box Address \|\| FR Designation
	\|-		\|-
	\| 01 \|\| Idle Speed Offset		\| 01 \|\| Idle Speed Offset

Mike Jones: /* Channel summary */

2022-12-06T21:48:41Z

Channel summary

← Older revision		Revision as of 21:48, 6 December 2022
Line 11:		Line 11:
	==Channel summary==		==Channel summary==
	{\| class="wikitable"		{\| class="wikitable"
	! Ch. \|\| Name \|\| Function \|\| Increase/decreasing value result \|\| M-Box ~~Addr~~ \|\| FR Designation		! Ch. \|\| Name \|\| Function \|\| Increase/decreasing value result \|\| M-Box Addrress \|\| FR Designation
	\|-		\|-
	\| 01 \|\| Idle Speed Offset		\| 01 \|\| Idle Speed Offset

Mike Jones: /* Channel summary */

2022-12-06T21:48:02Z

Channel summary

← Older revision		Revision as of 21:48, 6 December 2022
Line 97:		Line 97:
	\| vstmdr		\| vstmdr
	\|}		\|}
			Data from Setzi62 and Tony > [http://nefariousmotorsports.com/forum/index.php?topic=937.0]

	==[[Bosch ME7.1]], [[load]], and you==		==[[Bosch ME7.1]], [[load]], and you==

Mike Jones: /* Channel summary */

2022-12-06T21:46:32Z

Channel summary

← Older revision		Revision as of 21:46, 6 December 2022
Line 74:		Line 74:
	\|-		\|-
	\| 11 \|\| EGR Adjustment		\| 11 \|\| EGR Adjustment
	\| Unused w/VVT		\| Unused w/VVT?
	\| %AGR EGR rate adjustment		\| %AGR EGR rate adjustment
	\| 0x380C62 byte		\| 0x380C62 byte

Mike Jones: /* Channel summary */

2022-12-06T21:46:04Z

Channel summary

← Older revision		Revision as of 21:46, 6 December 2022
Line 11:		Line 11:
	==Channel summary==		==Channel summary==
	{\| class="wikitable"		{\| class="wikitable"
	! Ch. \|\| Name \|\| Function \|\| Increase/decreasing value result		! Ch. \|\| Name \|\| Function \|\| Increase/decreasing value result \|\| M-Box Addr \|\| FR Designation
	\|-		\|-
	\| 01 \|\| Idle Speed Offset		\| 01 \|\| Idle Speed Offset
	\| Adjust idle RPM level		\| Adjust idle RPM level
			\| %LLRNS adjustment LL target speed
	\| Increase/decrease idle (RPM)
			\| 0x380C6D byte x10
			\| vstnls
	\|-		\|-
	\| 02 \|\| Fuel Tweak (Accel Pump) - Increasing Loads		\| 02 \|\| Fuel Tweak (Accel Pump) - Increasing Loads
	\| Fuel trim ~~tweak~~ while load is ~~rapidly~~ increasing		\| Fuel trim while load is increasing
			\| %ESUK adjustment factor BA
	\| Add/remove fuel (%)
			\| 0x380C65 byte
			\| vstfba
	\|-		\|-
	\| 03 \|\| Fuel Tweak (Accel Pump) - Decreasing Loads		\| 03 \|\| Fuel Tweak (Accel Pump) - Decreasing Loads
	\| Fuel ~~trim tweak while~~ load is ~~rapidly~~ decreasing		\| Fuel trimwhile load is decreasing
			\| %ESUK adjustment factor VA
	\| Add/remove fuel (%)
			\| 0x380C69 byte
			\| vstfva
	\|-		\|-
	\| 04 \|\| Start Up Fuel Enrich		\| 04 \|\| Start Up Fuel Enrich
	\| Fuel trim during ~~engine~~ start		\| Fuel trim during start
			\| %ESNST adjustment factor after start
	\| Add/remove fuel (%)
			\| 0x380C66 byte
			\| vstfns
	\|-		\|-
	\| 05 \|\| Warm Up fuel Enrich		\| 05 \|\| Warm Up fuel Enrich
	\| Fuel trim during ~~engine~~ warmup		\| Fuel trim during warmup
			\| %ESWL Adjustment factor warm-up
	\| Add/remove fuel (%)
			\| 0x380C6A byte
			\| vstfwl
	\|-		\|-
	\| 06 \|\| Lambda Regulation		\| 06 \|\| Lambda Regulation
	\| Controls ~~narrow~~ ~~band 02~~ cycle time		\| Controls NB O2 cycle time
			\| %LR adjustment factor lambda control TV offset
	\| Increase/decrease cycle time
			\| 0x380C6B byte
			\| vstlr
	\|-		\|-
	\| 07 \|\| Additive Offset To Speed Limiter		\| 07 \|\| Additive Offset To Speed Limiter
	\| Speed limiter		\| Speed limiter
			\| %VMAXMD V-lock adjustment
	\| Increase/decrease speed limiter (km/hr)
			\| 0x380C6F byte -128
			\| vstvvr
	\|-		\|-
	\| 08 \|\| Secondary Fuel Tweak		\| 08 \|\| Secondary Fuel Tweak
	\| Additive fuel term		\| Additive fuel term
			\| %ESSTT Adjustment factor start
	\| Increase/decrease additive term (offset)
			\| 0x380C68 byte x0.0078125
			\| vstfst
	\|-		\|-
	\| 09 \|\| Ignition Timing Offset		\| 09 \|\| Ignition Timing Offset
	\| Adjust overall timing		\| Adjust overall timing
			\| %ZUE Additive ignition angle adjustment
	\| Advance/retard timing (degrees)
			\| 0x380C64 byte x0.75
			\| vstdzw
	\|-		\|-
	\| 10 \|\| Primary Fuel Tweak		\| 10 \|\| Primary Fuel Tweak
	\| Multiplicative fuel term		\| Multiplicative fuel term
			\| %ESGRU adjustment factor basic adjustment
	\| Increase/decrease multiplicative term (%)
			\| 0x380C64 byte x0.75
			\| vstfrk
	\|-		\|-
	\| 11 \|\| ~~Unused~~		\| 11 \|\| EGR Adjustment
	\| Unused		\| Unused w/VVT
			\| %AGR EGR rate adjustment
	\|
			\| 0x380C62 byte
			\| vstagr
	\|-		\|-
	\| 12 \|\| SEL Scaling (Turbo Cars Only)		\| 12 \|\| SEL Scaling (Turbo Cars Only)
	\| Scale specified load		\| Scale specified load
			\| %LDRLMX Adjustment of maximum charge pressure
	\| Increase/decrease requested boost (%)
			\| 0x380C6E byte x0.392156863
			\| vstrlx
	\|-		\|-
	\| 13 \|\| Control Bits		\| 13 \|\| Control Bits
	\| Unused		\| Unused (??)
			\| %LLRNS Adaptation of code word LL setpoint speed changeover
	\|
			\| 0x380C63 byte
			\| vstcns
	\|-		\|-
	\| 14 \|\| Idle Torque Additive Offset		\| 14 \|\| Idle Torque Additive Offset
	\| Controls engine load at idle		\| Controls engine load at idle
			\| %LLRMR Adjustment torque reserve idle control
	\| Increase/decrease spec load at idle
			\| 0x380C63 byte
			\| vstmdr
	\|}		\|}

Nyet: /* Bosch ME7.1, load, and you */

2008-01-21T18:14:05Z

[[Bosch ME7.1]], [[load]], and you

← Older revision		Revision as of 18:14, 21 January 2008
Line 73:		Line 73:
	So, how does the ECU decide on injector on time, boost, and timing? One word: [[load]]. The [[ME7.1]] is a "requested torque" based control system, which basically means that all decisions it makes is based on what it thinks the driver is asking for in terms of torque. The B5S4 is completely [[drive by wire]] (a.k.a [[Electronic Throttle Control]] or ETC), which means there is no direct connection between the accelerator pedal and the [[throttle valve]]. All the accelerator pedal does is tell the ECU how much the driver wishes to "accelerate".		So, how does the ECU decide on injector on time, boost, and timing? One word: [[load]]. The [[ME7.1]] is a "requested torque" based control system, which basically means that all decisions it makes is based on what it thinks the driver is asking for in terms of torque. The B5S4 is completely [[drive by wire]] (a.k.a [[Electronic Throttle Control]] or ETC), which means there is no direct connection between the accelerator pedal and the [[throttle valve]]. All the accelerator pedal does is tell the ECU how much the driver wishes to "accelerate".

			See also the [[Bosch ME7.1]] article.
	Based on that input, the ECU calculates a "target torque" that the user seems to be requesting. This, in turn generates a "requested [[load]]", which is capped by "specified corrected [[load]]" (a function of RPM, IAT and other limiting parameters, such as knock control, etc.). This requested [[load]] determins the throttle plate angle and requested boost.

	Once the ECU decides the requested [[load]] is large enough(?), its fueling control system goes [[open loop]]. In the [[ME7.1]] [[asynchronous path]], this means that all fueling decisions are going to be made almost soley based on [[Mass air flow\|mass air flow sensor]] readings. Those [[mass air flow\|MAF]] readings also go into the fueling maps as a "engine [[load]]" and are used to generate injector on times independent of O2 sensor readings.

	In the ME7.1 [[synchronous path]], the timing maps determine the timing at every cycle of every cylinder, and should the knock sensor for a given cylinder reach a certain threshold, the timing will be cut down for the next cycle for that cylinder. If the knock sensor activity subsides, the timing will be restored, one step at a time, until another knock event occurs on that cylinder.

	==Fueling curve==		==Fueling curve==

Nyet: /* Bosch ME7.1, load, and you */

2008-01-21T18:03:41Z

[[Bosch ME7.1]], [[load]], and you

← Older revision		Revision as of 18:03, 21 January 2008
Line 71:		Line 71:

	==[[Bosch ME7.1]], [[load]], and you==		==[[Bosch ME7.1]], [[load]], and you==
	So, how does the ECU decide on injector on time, boost, and timing? One word: [[load]]. The [[ME7.1]] is a "requested torque" based control system, which basically means that all decisions it makes is based on what it thinks the driver is asking for in terms of torque. The B5S4 is completely [[drive by wire]] (a.k.a [[Electronic Throttle Control]] or ETC), which means there is no direct connection between the accelerator pedal and the [[throttle valve]]. All the accelerator pedal does is tell the ECU how much the driver wishes to "accelerate". Based on that input, the ECU calculates a "target torque" that the user seems to be requesting. This, in turn generates a "requested [[load]]", which is capped by "specified corrected [[load]]" (a function of RPM, IAT and other limiting parameters, such as knock control, etc.).		So, how does the ECU decide on injector on time, boost, and timing? One word: [[load]]. The [[ME7.1]] is a "requested torque" based control system, which basically means that all decisions it makes is based on what it thinks the driver is asking for in terms of torque. The B5S4 is completely [[drive by wire]] (a.k.a [[Electronic Throttle Control]] or ETC), which means there is no direct connection between the accelerator pedal and the [[throttle valve]]. All the accelerator pedal does is tell the ECU how much the driver wishes to "accelerate".

			Based on that input, the ECU calculates a "target torque" that the user seems to be requesting. This, in turn generates a "requested [[load]]", which is capped by "specified corrected [[load]]" (a function of RPM, IAT and other limiting parameters, such as knock control, etc.). This requested [[load]] determins the throttle plate angle and requested boost.
⚫	Once the ECU decides the requested [[load]] is large enough(?), its fueling control system goes [[open loop]]. In the [[ME7.1]] [[asynchronous path]], this means that all fueling decisions are going to be made almost soley based on [[Mass air flow\|mass air flow sensor]] readings. Those [[mass air flow\|MAF]] readings also go into the fueling maps as a "engine [[load]]" and are used to generate injector on times independent of O2 sensor readings. In the ME7.1 [[synchronous path]], the timing maps determine the timing at every cycle of every cylinder, and should the knock sensor for a given cylinder reach a certain threshold, the timing will be cut down for the next cycle for that cylinder. If the knock sensor activity subsides, the timing will be restored, one step at a time, until another knock event occurs on that cylinder.

		⚫	Once the ECU decides the requested [[load]] is large enough(?), its fueling control system goes [[open loop]]. In the [[ME7.1]] [[asynchronous path]], this means that all fueling decisions are going to be made almost soley based on [[Mass air flow\|mass air flow sensor]] readings. Those [[mass air flow\|MAF]] readings also go into the fueling maps as a "engine [[load]]" and are used to generate injector on times independent of O2 sensor readings.

			In the ME7.1 [[synchronous path]], the timing maps determine the timing at every cycle of every cylinder, and should the knock sensor for a given cylinder reach a certain threshold, the timing will be cut down for the next cycle for that cylinder. If the knock sensor activity subsides, the timing will be restored, one step at a time, until another knock event occurs on that cylinder.

	==Fueling curve==		==Fueling curve==

Nyet: /* Bosch ME7.1, load, and you */

2008-01-21T18:01:21Z

[[Bosch ME7.1]], [[load]], and you

← Older revision		Revision as of 18:01, 21 January 2008
Line 71:		Line 71:

	==[[Bosch ME7.1]], [[load]], and you==		==[[Bosch ME7.1]], [[load]], and you==
	So, how does the ECU decide on injector on time, boost, and timing? One word: [[load]]. The [[ME7.1]] is a "requested torque" based control system, which basically means that all decisions it makes is based on what it thinks the driver is asking for in terms of torque. The B5S4 is completely [[drive by wire]] (a.k.a [[Electronic Throttle Control]] or ETC), which means there is no direct connection between the accelerator pedal and the [[throttle valve]]. All the accelerator pedal does is tell the ECU how much the driver wishes to "accelerate". Based on that input, the ECU calculates a "target torque" that the user seems to be requesting. This, in turn generates a "~~specified~~ [[load]]", which, if ~~large~~ ~~enough,~~ ~~will~~ ~~put the ECU in~~ [[~~open loop~~]] ~~operation~~ or ~~[[wide~~ ~~open throttle]] (WOT)~~, ~~or,~~ to ~~put~~ it ~~another~~ ~~way~~ ~~"give~~ me ~~all~~ ~~you got Scotty~~."		So, how does the ECU decide on injector on time, boost, and timing? One word: [[load]]. The [[ME7.1]] is a "requested torque" based control system, which basically means that all decisions it makes is based on what it thinks the driver is asking for in terms of torque. The B5S4 is completely [[drive by wire]] (a.k.a [[Electronic Throttle Control]] or ETC), which means there is no direct connection between the accelerator pedal and the [[throttle valve]]. All the accelerator pedal does is tell the ECU how much the driver wishes to "accelerate". Based on that input, the ECU calculates a "target torque" that the user seems to be requesting. This, in turn generates a "requested [[load]]", which is capped by "specified corrected [[load]]" (a function of RPM, IAT and other limiting parameters, such as knock control, etc.).

	Once the ECU decides the ~~specifed~~ [[load]] is ~~greater or equal to what the ECU thinks the engine can deliver at WOT from the current calculated~~ (~~actual~~) ~~[[load]]~~, its fueling control system goes [[open loop]]. In the [[ME7.1]] [[asynchronous path]], this means that all fueling decisions are going to be made almost soley based on [[Mass air flow\|mass air flow sensor]] readings. Those [[mass air flow\|MAF]] readings also go into the ~~boost~~ ~~map~~ as a "~~calculated (actual)~~ [[load]]" and, ~~along~~ ~~with~~ ~~RPM,~~ ~~determine~~ ~~specified~~ ~~load,~~ ~~and~~ ~~hence~~ ~~requested~~ ~~boost~~. In the ME7.1 [[synchronous path]], the timing maps determine the timing at every cycle of every cylinder, and should the knock sensor for a given cylinder reach a certain threshold, the timing will be cut down for the next cycle for that cylinder. If the knock sensor activity subsides, the timing will be restored, one step at a time, until another knock event occurs on that cylinder.		Once the ECU decides the requested [[load]] is large enough(?), its fueling control system goes [[open loop]]. In the [[ME7.1]] [[asynchronous path]], this means that all fueling decisions are going to be made almost soley based on [[Mass air flow\|mass air flow sensor]] readings. Those [[mass air flow\|MAF]] readings also go into the fueling maps as a "engine [[load]]" and are used to generate injector on times independent of O2 sensor readings. In the ME7.1 [[synchronous path]], the timing maps determine the timing at every cycle of every cylinder, and should the knock sensor for a given cylinder reach a certain threshold, the timing will be cut down for the next cycle for that cylinder. If the knock sensor activity subsides, the timing will be restored, one step at a time, until another knock event occurs on that cylinder.

	==Fueling curve==		==Fueling curve==