On-vehicle Inspection
ComponentsBack Door cannot be Opened
DESCRIPTION
When the back door cannot be opened, one of the following may be malfunctioning:
1) power back door ECU (power back door motor unit)*1 or back door closer ECU (multiplex
network door ECU)*2, 2) back door lock assembly, 3) back door opener swit ...
Open in Rear Floor Electrical Key Oscillator Circuit (B27A6)
DESCRIPTION
The certification ECU (smart key ECU assembly) generates a request signal and
sends it to the indoor electrical key oscillator (for center floor). To detect the
key inside the cabin, the indoor electrical key oscillator (for center floor) crea ...
ECU Power Source Circuit
DESCRIPTION
When the ignition switch is turned to ON, voltage from the ECM's MREL terminal
is applied to the EFI MAIN relay. This causes the contacts of the EFI MAIN relay
to close, which supplies power to terminal +B of the TCM.
WIRING DIAGRAM
PR ...