Tacoma Extra Cab 2WD L4-2438cc 2.4L DOHC MFI (1997)
Engine Control Module: Testing and Inspection
Related Diagnostic Procedures
ECM Power Source Circuit
CIRCUIT DESCRIPTION
When the ignition switch is turned ON, battery positive voltage is applied to the coil, closing the contacts of the EFI relay and supplying power to
the terminal +B of the ECM.
WIRING DIAGRAM