PRECAUTION PRECAUTIONS WHEN USING TECHSTREAM (a) When using the Techstream with the vehicle power switch off, connect the Techstream to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the Techstream and the vehicle begins. Then sel
DESCRIPTION When selecting ECO mode, the mode switch (integration control & panel assembly) operation signal is sent to the air conditioning amplifier assembly. Following this, ECO mode control is activated for the heater and air conditioning system. WIRING DIAGRAM PROCEDURE 1. READ VALUE