Nissan leaf pdm
Nissan leaf POWER DISTROBUTION MODULE (PDM) charger, dcdc converter and HVJB found in the mid 2012-present nissan leafs.
it mounts directly on top of the leaf motor inverter. completing what is known as the "full stack"
there has been various changes over the years to the top shape and weight of the pdms, as the early year units are quite big and heavy. nissan has streamlined the pdms, making them more suitable for fitting under the hood in a ev conversion.
Charger
early models where 3.3kw/h only, where as newer generation units are 6.6kw/h
controlled via CAN
DCDC
controlled via CAN
DC fast charger
the pdm has 2 HV contactors connected to the HV bus, used for controlling the chademo fast charging.
the contactors them selves are not economized, but are connected to a economizer board located right about them.
connections
LV connections:
The main data/signal connector on the PDM is a 36-pin Yasaki CVT circular connector.
| Part | PDM (Male) | Wire Harness (Female) |
|---|---|---|
| Housing | 7236-1525-30 | 7289-9871-40 |
| Terminal | ? | 7116-4415-02 |
| Wire Seal | ? | 7158-3165-90 |
| Blind plug | ? | 7158-3169-40 |
DCDC ground is through the case
DCDC positive is through the isolated M8 stud on the side of the case
HV connections:
battery HV DC in
inverter/motor HV DC out
HVAC pump HV DC out
J1772 charger port AC in