Component Inspection
- CHECK BATTERY CURRENT SENSOR
- Turn ignition switch OFF.
- Reconnect harness connectors disconnected.
- Disconnect battery negative cable.
- Install jumper cable between battery negative terminal and body ground.
- Turn ignition switch ON.
- Check the voltage between ECM harness connector terminals as per the following.
ECM
Voltage
(Approx.)
+
-
Connector
Terminal
Connector
Terminal
F143
56
(Battery current sensor signal)
F143
29
2.3 V
Before measuring the terminal voltage, confirm that the battery is fully charged. Refer to How To Check .
Is the inspection result normal?
YES
INSPECTION END
NO
Replace battery negative cable assembly.