Check Power Supply And Ground Circuit

Step	Check	Yes	No
1 CHECK POWER SUPPLY. Disconnect the connector of body integrated unit. Measure the voltage between body integrated unit connector and chassis ground. Connector & terminal (i84) No. 6 (+) - Chassis ground (-): (i171) No. 1 (+) - Chassis ground (-): (B281) No. 7 (+) - Chassis ground (-):	Is the voltage 10 V or more?	Go to step 2.	Check the harness for open or short circuit between body integrated unit and fuse.
2 CHECK GROUND CIRCUIT. Measure the resistance between body integrated unit connector and chassis ground. Connector & terminal (i84) No. 1 - Chassis ground: (i171) No. 29 - Chassis ground: (B280) No. 1 - Chassis ground: (B281) No. 31 - Chassis ground:	Is the resistance less than 10 Ω?	The power supply and ground circuit are OK.	Repair or replace the harness.