Diagnosis Procedure
- CHECK TERMINAL B POWER SUPPLY VOLTAGE
- Turn ignition switch OFF.
- Make sure that starter motor connector F27 connection is clean and tight.
- Check voltage between starter motor connector F27 and ground.
(+)
(-)
Voltage
(Approx.)
Connector
Terminal
F27
B
Ground
Battery voltage
Is the inspection result normal?
YES
GO TO 2
NO
Check harness between battery and starter motor for open circuit.
- CHECK BATTERY CABLE (VOLTAGE DROP TEST)
- Shift the transmission into P (Park) or N (Neutral).
- Check voltage between battery positive terminal and starter motor connector F27 while cranking the engine.
(+)
(-)
Condition
Voltage
(Approx.)
Connector
Terminal
Battery (+) terminal
F27
B
While cranking the engine
Less than 0.5V
Is the inspection result normal?
YES
GO TO 3 .
NO
Check harness between the battery and the starter motor for high resistance.
- CHECK GROUND CIRCUIT STATUS (VOLTAGE DROP TEST)
Check voltage between starter motor case and battery negative terminal while cranking the engine.
(+)
(-)
Condition
Voltage
(Approx.)
Starter motor case
Battery (-) terminal
While cranking the engine
Less than 0.5V
Is the inspection result normal?
YES
Terminal B circuit is OK. Further inspection is necessary. Refer to Work Flow (With DSS-5000P NI) or Work Flow (Without DSS-5000P NI) .
NO
Check the starter motor case to engine mounting for high resistance.