Check for voltage between the No. 3 terminal of the floor wire harness 4P connector and body ground, and between the No. 4 terminal and body ground. There should be 0.5 V or less.
Is the voltage as specified?
YES
-
Short to power in the right side wire harness; replace the right side wire harness.■
NO
-
Short to power in the floor wire harness; replace the floor wire harness.■