B Terminal Circuit

B TERMINAL CIRCUIT


Description

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




B TERMINAL CIRCUIT


Diagnosis Procedure

Regarding Wiring Diagram information. Refer to Coupe or Sedan.
1.CHECK TERMINAL "1" CONNECTION
1. Turn ignition switch OFF.
2. Check if 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 F6 terminal 1 and ground.

1 - ground Battery voltage

Is the inspection result normal?
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 F6 terminal 1.

1 - B+ Less than 0.2 V

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