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Author Topic: Weird Automatic Problems  (Read 3415 times)

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cjackel492

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Re: Weird Automatic Problems
« Reply #15 on: 29 January 2015, 23:42:48 »
Looking at the TIS, there isn't a kick down switch, I'm assuming it gets accelerator position from the engine ECU as there are 2 com's wires.

Carl,
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dbug

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Re: Weird Automatic Problems
« Reply #16 on: 30 January 2015, 00:05:29 »
Have a look here - Kickdown switch removal ;)
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05omegav6

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Re: Weird Automatic Problems
« Reply #17 on: 30 January 2015, 00:55:32 »
Quote from: cjackel492 on 29 January 2015, 23:42:48
Looking at the TIS, there isn't a kick down switch, I'm assuming it gets accelerator position from the engine ECU as there are 2 com's wires.

Carl,
What engine is in your car? Does it have a throttle cable?

2.5/3.0 as per Dbugs link... kickdown switch is built into the throttle cable...
2.6/3.2 engine ecu sends throttle position info to gearbox ecu...
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dbug

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Re: Weird Automatic Problems
« Reply #18 on: 30 January 2015, 02:27:59 »
Says 2001 3.0 Elite on ops profile ;)
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05omegav6

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Re: Weird Automatic Problems
« Reply #19 on: 30 January 2015, 03:17:43 »
Quote from: dbug on 30 January 2015, 02:27:59
Says 2001 3.0 Elite on ops profile ;)
Agreed, but why the TIS reference to no kickdown switch :-\
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cjackel492

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Re: Weird Automatic Problems
« Reply #20 on: 30 January 2015, 08:21:49 »
Quote from: Taxi Al on 30 January 2015, 00:55:32
Quote from: cjackel492 on 29 January 2015, 23:42:48
Looking at the TIS, there isn't a kick down switch, I'm assuming it gets accelerator position from the engine ECU as there are 2 com's wires.

Carl,
What engine is in your car? Does it have a throttle cable?

2.5/3.0 as per Dbugs link... kickdown switch is built into the throttle cable...
2.6/3.2 engine ecu sends throttle position info to gearbox ecu...
It's the 3.0 which isn't covered by the TIS so I made an assumption (and we all know what assumption's are..) that the 3.2 must be the same.. Opps..

Will look into switch.

Carl,
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05omegav6

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Re: Weird Automatic Problems
« Reply #21 on: 30 January 2015, 09:23:30 »
Switch is located between the egr valve and the plenum :y

It's part of the throttle cable so diagnostically all you can do is unplug the switch or change the cable...
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TheBoy

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Re: Weird Automatic Problems
« Reply #22 on: 31 January 2015, 11:36:37 »
There is a kickdown switch.

Additionally has the MPG dropped since this has started, as it may be a symptom of the engine being under more load for an unrelated reason.

The speeds quoted are in that range of changedowns if needing to accelerate more than at a tunnie pace.  Remember, he TC unlocks, then it changes down. This may feel like 2 change downs (and the change up and TC lock may feel like 2 change ups). At 60mph, 2nd gear will be about 4.5k rpm
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