B Terminal Circuit

B TERMINAL CIRCUIT


Description

The "B" terminal is constantly supplied with battery power.




B TERMINAL CIRCUIT


Diagnosis Procedure


CAUTION:
Perform diagnosis under the condition that engine cannot start by the following procedure.
1. Remove fuel pump fuse.
2. Crank or start the engine (where possible) until the fuel pressure is released.
1.CHECK "B" TERMINAL CIRCUIT
1. Turn ignition switch OFF.
2. Check that starter motor "B" terminal connection is clean and tight.
3. Check voltage between starter motor "B" terminal and ground.





Is the inspection result normal?
YES - GO TO 2.
NO - Check harness between battery and starter motor for open circuit.
2.CHECK BATTERY CABLE CONNECTION STATUS (VOLTAGE DROP TEST)
1. Shift CVT selector lever to "P" or "N" position.
2. Check voltage between battery positive terminal and starter motor "B" terminal.





Is the inspection result normal?
YES - GO TO 3.
NO - Check harness between the battery and the starter motor for poor continuity.
3.CHECK GROUND CIRCUIT STATUS (VOLTAGE DROP TEST)
1. Shift CVT selector lever to "P" or "N" position.
2. Check voltage between starter motor case and battery negative terminal.





Is the inspection result normal?
YES - "B" terminal circuit is OK. Further inspection is necessary. Initial Inspection and Diagnostic Overview.
NO - Check the starter motor case and ground for poor continuity.