Quote:
Originally Posted by b3lha
There is a fundamental difference between the Econ light and the Power light.
The Power light is controlled by the TCU. The TCU switches on the power light when power mode is engaged. The Power light is not wired to the Power switch at all.
My objective, once I figure out how to mod the TCU, will be that with the Econ switch on (and therefore the Econ light) the TCU will operate in Normal mode (power mode will come on when you mash the pedal). With the Econ switch off, the TCU will operate in Power mode (the power light will be on). The current Econ mode functionality will be removed.
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Phil is planning to mod the software [or firmware] in the box. What I was trying to do was to offer the Manu button as a means of switching between Normal [but without 1 range] and Power [but with the Econ light showing Power was on]
I purposely did not choose to connect live to the Power light for this as the Econ light was not in use in US TCUs, but the Power lamp is used to show codes etc for OBD1s.
That way the mod would be simple and work for all years of the SVX.
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