ECU Power Source Circuit
PrecautionECU 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 ...
Precaution
PRECAUTION
1. PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable from the negative (-) battery terminal, initialize
the following system after the terminal is reconnected:
System Name
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Reverse Signal Circuit
DESCRIPTION
The radio and display receiver assembly receives a reverse signal from the park/neutral
position switch assembly.
WIRING DIAGRAM
PROCEDURE
1.
CHECK BACK-UP LIGHT
(a) Move the shift lever to R and check if th ...