Diagnosis system (BCM) (without intelligent key system)
BCM (body control module)NISSAN Jackknife key (if so equipped)
Replace the battery in the jackknife key as follows:
Hold jackknife key button side up. Insert a
small screwdriver into the slit of the corner
and twist it to separate the upper part from
the lower part. Use a cloth to protect the
casing.
Remove old battery.
Replace t ...
Sensor power supply2 circuit
Description
ECM supplies a voltage of 5 V to some of the sensors systematically divided
into 2 groups, respectively.
Accordingly, when a short circuit develops in a sensor power source, a
malfunction may occur simultaneously
in the sensors belonging to the same group as the short-circuited ...
P0643 sensor power supply
Description
ECM supplies a voltage of 5 V to some of the sensors systematically divided
into 2 groups, respectively.
Accordingly, when a short circuit develops in a sensor power source, a
malfunction may occur simultaneously
in the sensors belonging to the same group as the short-circuited ...