INSPECTION PROCEDURE 1. INSPECT INNER REAR VIEW MIRROR ASSEMBLY (w/ EC Mirror) (a) Inspect the operation of the electrochromic inner rear view mirror assembly. 
(1) Connect a positive (+) lead from the battery to terminal 10(+B) and a negative (-) lead to terminal 3(E). (2) Press the EC switch. (3) Attach black colored tape to the forward sensor to prevent it from sensing. (4) Light up the mirror with an electric light, and check that the mirror surface changes from bright to dark. OK: Mirror surface changes from bright to dark. |
Toyota Tundra Service Manual > Occupant Classification System: Terminals Of Ecu
TERMINALS OF ECU 1. CHECK OCCUPANT CLASSIFICATION ECU Terminal No. (Symbols) Wiring Color Terminal Description Condition Specification Y2-1 (+B) - Y2-3 (GND) W - W-B Battery Ignition switch ON 11 to 14 V Y2-2 (DIA) - Y2-3 (GND) GR - W-B Diagnosis (DLC3) Ignition switch ON Pulse generation Y2-3 (GND) ...
