Automatic Control Switch Circuit
The SW contact is ON while the automatic control SW is pushed, and turns OFF when automatic control SW is released. When the SW is turned ON, the voltage at the SAUTO terminal of A/C control assembly is almost O V and the ECU begins fully automatic control of the blower speed, air inlet, air outlet and compressor operation.
Diagnostic Chart:
Wiring Diagram:
Inspection Procedure - Step 1:
Step 2:
Step 3:
