DISASSEMBLY PROCEDURE 1. REMOVE COOLER COMPRESSOR BRACKET
(b) Remove the screw and the cooler compressor bracket. 2. REMOVE MAGNET CLUTCH ASSEMBLY
(b) Using SST, hold the magnet clutch hub. SST: 09985-00270 (c) Remove the bolt, magnet clutch hub and magnet clutch washer(s). HINT: There is no set number of magnet clutch washers since they are used for adjusting.
(e) Disconnect the connector.
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Toyota Tundra Service Manual > Sfi System: ECM Power Source Circuit
DESCRIPTION When the ignition switch is turned to ON, the battery voltage is applied to the IGSW terminal of the ECM. The output signal from the MREL terminal of the ECM causes a current to flow to the coil, closing the contacts of the integration relay (EFI relay) and supplying power to terminals + ...