Continued water circulation pumps running - Flat Battery (Resolved)
- Thread starter Samfisher
- Start date
SSP 564 - The T6 2.0L TDi
VW Self Study Programme, Document 564 - The 2.0 litre TDI Engine In The T6 The introduction of modern, particularly efficient Euro-6 engines represents a central feature of the new T6. All units are equipped with Blue Motion Technology as...
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High-temperature circuit
The pump for the exhaust gas recirculation cooler V400 (15) is activated after the ignition is switched on with a delivery rates of 70% by a PWM signal from the engine control unit. It runs permanently across all operating ranges. Activation is increased to 100% delivery rates if there is a higher EGR cooling requirement.
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The liquid-cooled charge air cooling makes it possible for the air temperature in the intake manifold to be controlled at a nominal value according to requirements. The charge air temperature is controlled by the engine control unit activating the charge air cooling pump V188 (12).
The guidance parameter for activation is the intake manifold temperature after the charge air cooler. The coolant circuit for charge air cooling is connected to the engine cooling circuit via a non-return valve and a throttle for filling and venting. There is no connection to the engine cooling circuit during operation. The injector for reducing agent N474 (9) is integrated in the low-temperature cooling circuit.
In order to flush out possible air bubbles after filling, a bleeder process must be carried out with the tester. This involves activating the electric coolant pumps in various combinations. Activation is first without the engine running, and then at specified engine speeds.
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so we need to look at - intake manifold temperature after the charge air cooler
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G811 - Charge air temperature sender after charge air cooler ---> input to j623 engine ecm
2pin:
br - ground
ws- signal (ref pulled to ground/resistance)
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can you post VCDS scan data for:?
G811 - Charge air temperature sender after charge air cooler ---> input to j623 engine ecm
G811 - Charge air temperature sender after charge air cooler ---> input to j623 engine ecm
more info on clamp meters and power draw:
www.t6forum.com
Heres mine from just now.
(remember you need to flick the catches so the van sees all the doors and bonnet etc closed for the van to go sleep properly.
add, current draws:
IGN ON - engine OFF, ------- 8.33A
IGN OFF - van unlocked. ----- 0.06A
IGN OFF - VAN locked. (after 30sec) ------- 0.007A
IGN OFF - VAN locked (after 15mins)(sleeping) ------- 0.029A
Add pics is you can.
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Clamp Meters
Any recommendations for clamp meters? They have been mentioned in a few threads but I can’t find suggested products. Suitable for small mA measurements with dc in the van and elsewhere and also if possible up to mains ac. I’m not sure how much I need to spend for a tolerably decent one with the...
Heres mine from just now.
(remember you need to flick the catches so the van sees all the doors and bonnet etc closed for the van to go sleep properly.
add, current draws:
IGN ON - engine OFF, ------- 8.33A
IGN OFF - van unlocked. ----- 0.06A
IGN OFF - VAN locked. (after 30sec) ------- 0.007A
IGN OFF - VAN locked (after 15mins)(sleeping) ------- 0.029A
Add pics is you can.
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I’m new to VCDS to be honest if it hasn’t got a carb and points then I’m a bit confused!!!
I’ve got the charge air temp sensor but no specific input to j623 ? Is there a way to it ?
lets see what i have. . .
looks like i have on the 01 Engine ECM.
IDE07800 - heater supp. pump. charge air cooler - active 10% PWM
and
IDE11870 - heater supp. pump exh. gas recir cool, circ. - active 100%
im thinking these are the two pumps
IDE07800 - heater supp. pump. charge air cooler - active 10% PWM
and
IDE11870 - heater supp. pump exh. gas recir cool, circ. - active 100%
im thinking these are the two pumps
in 01 engine there is output tests.
IDE00879 - EGR cooler pump
that you can test.
i set the command time to 5sec, - you could then hear the pump cycling on/off/on/off every 5sec.
IDE00879 - EGR cooler pump
that you can test.
i set the command time to 5sec, - you could then hear the pump cycling on/off/on/off every 5sec.
there is switchable water pump too. . .
IDE05036 - switchable water pump
but im not sure thats the same pump?
IDE05036 - switchable water pump
but im not sure thats the same pump?
i also noticed on the LONG CODING for 01 Engine. . .
that byte 4 details electric water pumps installed - again not sure if that relates to these pumps or not?
that byte 4 details electric water pumps installed - again not sure if that relates to these pumps or not?
the pumps on mine started up as soon as the IGN key was in.. .
then after sutting down the engine. . . they were still running. . .
it was only after REMOVING the key and waiting about 60sec that they went silent.
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so . . . KEY had to be removed
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can we check your key barrel as well that its detecting the key being removed.
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then after sutting down the engine. . . they were still running. . .
it was only after REMOVING the key and waiting about 60sec that they went silent.
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so . . . KEY had to be removed
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can we check your key barrel as well that its detecting the key being removed.
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i had this:
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Address 01: Engine (04L 906 056 KQ)
12:39:57
IDE00021 Engine RPM 0 /min
IDE00025 Coolant temperature 10 °C
IDE00348 Intake air temperature 14 °C
IDE07710 Charge air cooler output: temp. sensor 1: B1: raw value 10.5 °C
IDE07711 Charge air cooler output: temp. sensor 1: B1: raw voltage 4.622 V
IDE10312 Exh. gas recirc. 1 bank 1: act.temp. of water upst. of radiator 10.7 °C
IDE11870 Heater supp.pump 1 bank 1 exh.gas recir.cool.circ.: activation 100.00 %
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Ok on it
I know that if I have my battery disconnected, after reconnecting the pumps are off until I open the door then they go on without the key in
this table shows both pumps. . .
charge air & EGR pump (PWM 10% & 100%)
charge air & EGR pump (PWM 10% & 100%)
Mine after 5 mins locked with everything closed
data from a blockmap - engine off, after short run. (-1307)
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| IDE00021 | Engine RPM | 0 | /min |
| IDE07706 | Outside temperature sensor 1: B1: raw value | 17.5 | °C |
| IDE07710 | Charge air cooler output: temp. sensor 1: B1: raw value | 27.5 | °C |
| IDE07725 | Coolant temperature sensor 1: B1: on cylinder head: raw value | 61.2 | °C |
| IDE07727 | Coolant temperature sensor 1: B1: on radiator output: raw value | 43 | °C |
| IDE07729 | EGR temp. sensor 1: B1: raw value | 37.5 | °C |
| IDE07798 | Heater support pump 1 bank 1 second.circuit: activat. | 95 | % |
| IDE07799 | Heater support pump 1 bank 1 primary circuit: activation | 0 | % | |
| IDE07800 | Heater supp.pump 1 bank 1 charg.air cool.circuit: activat. | 10 | % |
| IDE07832 | Coolant fan 1: activation | 10 | % |
| IDE07833 | Coolant fan 2: activation | 0 | % |
| IDE10312 | Exh. gas recirc. 1 bank 1: act.temp. of water upst. of radiator | 43.5 | °C |
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yours show 7.71A similar to my readings . . IGN ON - engine OFF
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Heres mine from just now.
(remember you need to flick the catches so the van sees all the doors and bonnet etc closed for the van to go sleep properly.
add, current draws:
IGN ON - engine OFF, ------- 8.33A
IGN OFF - van unlocked. ----- 0.06A
IGN OFF - VAN locked. (after 30sec) ------- 0.007A
IGN OFF - VAN locked (after 15mins)(sleeping) ------- 0.029A
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