EC-342
< DTC/CIRCUIT DIAGNOSIS >
[MR18DE]
P1551, P1552 BATTERY CURRENT SENSOR
1.
Turn ignition switch OFF.
2.
Reconnect harness connectors disconnected.
3.
Disconnect battery negative cable.
4.
Install jumper cable (A) between battery negative terminal and
body ground.
5.
Turn ignition switch ON.
6.
Check the voltage between ECM harness connector and
ground.
Before measuring the terminal voltage, confirm that the battery is fully charged. Refer to
PG-3, "How to Handle Battery"
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace battery negative cable assembly.
1
: Battery negative terminal
: To body ground
JMBIA2313ZZ
ECM
Voltage
Connector
+
-
Terminal
Terminal
F8
57
(Battery current sensor signal)
64
Approx. 2.5 V