B Terminal Circuit

B TERMINAL CIRCUIT


Description

The terminal "1" circuit supplies power to charge the battery and operate the vehicles electrical system.





B TERMINAL CIRCUIT


Diagnosis Procedure

1.CHECK TERMINAL "1" CONNECTION
1. Turn ignition switch OFF.
2. Verify terminal "1" is clean and tight.
Is the inspection result normal?
YES - GO TO 2.
NO - Repair terminal "1" connection. Confirm repair by performing complete Starting/Charging system test. Refer to diagnostic station instruction manual.
2.CHECK TERMINAL "1" CIRCUIT





Check voltage between generator connector E204 terminal 1 and ground.





Is voltage reading as specified?
YES - GO TO 3.
NO - Check harness for open between generator and fusible link.
3.CHECK TERMINAL "1" CONNECTION (VOLTAGE DROP TEST)





1. Start engine, then engine running at idle and warm.
2. Check voltage between battery positive terminal and generator connector E204 terminal 1.





Is the voltage reading as specified?
YES - Terminal "1" circuit is normal. Refer to Work Flow.
NO - Check harness between battery and generator for high resistance.