BCM Power Supply and Ground Circuit Check

WARNING: This page is about a different car, the 2003 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FUSE
- Check 10A fuse [No. 1, located in fuse block (J/B)[
- Check 50A fusible link (letter F located in the fuse and fusible link box)
NOTE: Refer to COMPONENT PARTS AND HARNESS CONNECTOR LOCATION .

OK or NG
1. OK : GO TO 2.
2. NG : If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to POWER DISTRIBUTION .
CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between BCM connector M35, E118 terminal 7, 35 and ground.
  1. 7 (W/B) - Ground : Battery voltage
  2. 35 (R) - Ground : Battery voltage
OK or NG
1. OK : GO TO 3.
2. NG : Check BCM power supply circuit for open or short.
Fig 1: Checking Voltage Between BCM Connector M35, E118 Terminal 7, 35 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check continuity between BCM connector E118 terminal 8 and ground.
  1. 8 (B) - Ground : Continuity should exist.
OK or NG
1. OK : BCM power supply and ground circuit is OK.
2. NG : Check BCM ground circuit for open or short.
Fig 2: Checking Continuity Between BCM Connector E118 Terminal 8 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.