Emission inspection and maintenance (I/M) programs
Do-it-yourself service precautionsECU 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 ...
Back door
The back door can be opened using the back door opener. The back door can
be locked and unlocked using the entry function (vehicles with smart key system),
wireless remote control or door lock switch.
In addition, the power back door (if equipped) can be ...
Horn Circuit
DESCRIPTION
When the theft deterrent system is switched from the armed state to the alarm
sounding state, the main body ECU (driver side junction block assembly) transmits
a signal to cause the horn to sound at intervals of 0.4 seconds.
WIRING DIAGRAM
...