Check and replace ecuEcm power source circuit
Description
When the ignition switch is turned on, the battery voltage is applied to the
igsw 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 main relay) and supplying power to either term ...
Operation flow
Hint:
Perform troubleshooting in accordance with the
procedures below. The following is an outline of basic
troubleshooting procedures. Confirm the troubleshooting
procedures for the circuit you are working on before
beginning troubleshooting.
Ask
the customer about the conditions and en ...
Display contents
Following information is displayed
on the multi-information
display.
Content display area (left)
Content display area (center)
Content display area (right)
Driving support system information
display area
When driving information support
system is displayed on the content
display area, the sy ...