Check BCM Power Supply and Ground Circuit
- CHECK FUSE
- Check 15A fuse [No. 1, located in fuse block (J/B)]
- Check 10A fuse [No. 21, 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
OK: GO TO 2.
NG: If fuse is blown out, be sure to eliminate cause of malfunction before installing new fuse. Refer to "POWER SUPPLY ROUTING CIRCUIT ".
- CHECK POWER SUPPLY CIRCUIT
Check voltage between BCM connector and ground.
VOLTAGE SPECIFICATIONTerminals Condition of ignition switch Voltage (V) (Approx.) (+) (-) BCM connector Terminal M1 38 Ground ON Battery voltage M2 42 OFF 55 OK or NG
OK: GO TO 3.
NG: Check BCM power supply circuit for open or short.
- CHECK GROUND CIRCUIT
- Turn ignition switch OFF.
- Disconnect BCM connector.
- Check continuity between BCM connector and ground.CONTINUITY SPECIFICATION
BCM connector Terminal Ground Continuity M2 52 Yes
OK or NG
OK: Power supply and ground circuit are OK.
NG: Check BCM ground circuit for open or short.