ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL
ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL : Special Repair Requirement
Required Procedure After Battery Disconnection

BatteryU1243 display unit
Description
Part name
Description
DISPLAY UNIT
Display image is controlled by the serial communication from AV
control unit.
Inputs the RGB image signal (RGB, RGB area and RGB
synchronizing) from AV control unit and the auxiliary image ...
U122A AV control unit
DTC Logic
Diagnosis Procedure
1.PERFORM THE SELF-DIAGNOSIS
When U122A is detected, write configuration data with "MULTI AV" of CONSULT.
U122E AV CONTROL UNIT
DTC Logic
DTC DETECTION LOGIC
...
B terminal C
Description
The "B" terminal is constantly supplied with battery power.
Diagnosis Procedure
CAUTION: Perform diagnosis under the condition that
the engine cannot start by the following procedure.
Remove fuel pump fuse.
Crank or start the engine (where possible) unt ...