Diagnosis
- No "IDL" signal, "NSW" signal or "A/C" signal to ECU, during diagnosis check.
Trouble Area
- A/C switch circuit
- A/C switch
- A/C amplifier
- Throttle position sensor circuit
- Throttle position sensor
- ECU
I would
guess that it's probably a loose TPS connection from where you've been working around the engine to fix the KS wiring, but that's
only a guess. As you can see from the list, there are a couple of different possibilities to explain the problem.
Good luck with it in any case.