1. CHECK MAIN BODY ECU
Symbols (Terminal No.)
Wiring Color
Condition
Specified Condition
BECU (11) - Body ground
- - Body ground
Always
11 to 14 V
SIG (10) - Body ground
Ignition switch ON
GND1 (4) - Body ground
Below 1 Ω
GND2 (16) - Body ground
DBKL (B7-13) - Body ground
G - Body ground
Driver seat buckle switch is on (seat belt is fastened)
Below 1 V