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code 232 on 960 ? 900 1993

posted by  spook on  Fri Nov 23 07:56 CST 2012
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last visit: Fri Oct 24 08:06 CST 2014
[RELATED]

Dear Waynepatek,

Hope you're well. A 2-3-2 code obtained at the A-1 OBD Port means the transmission is not getting a speed signal. The Aisin-Warner transmissions used in 960s are controlled by a computer module, whereas Aisin-Warner transmissions used in 940s are not controlled by a computer module.

I do not operate 960s and so do not have a wiring diagram for any 960. As a result, I do not know: (a) where the transmission control module is located and (b) by which wires the speedometer's signal is sent to the transmission control module.

That wiring - rather than that which connects the speedometer's pick-up (mounted in the differential) to the instrument cluster - is likely to be the source of the problem.

I'd begin by inspecting all wiring harnesses that go to the transmission. Look for signs of damage to harnesses, corrosion on connectors, etc. If you do not have a wiring diagram, you may be able to find the location of the control module by "back-tracking" the wiring harness that goes to the transmission.

Hope this helps.

Yours faithfully,

Spook






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