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 > 1ur-fe Engine Control: Efi Relay
On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE 1. REMOVE INTEGRATION RELAY 2. INSPECT INTEGRATION RELAY (EFI) NOTICE: Some relays are built into the integration relay. The integration relay cannot be disassembled. If there is a malfunction in the circuit of the integration relay, replace the ...
