OBD-II to DSUB wiring:
Nissan says: (looking at harness) --------------------- \ 8 7 6 5 4 - - - / \ 16- 141312- - - / ---------------/
CAN is 6 and 14?
PG-17: pin 16 is (something about power?) OBDII standard: 16 +12V 5 GND 14 CAN_L 6 CAN_H
__
___/ |
/ |
12? 16 | o o | 8 ??
- | o o | 7 ??
CAN 14 | o o | 6 CAN
?? 13 | o O | 5 GND?
12 | o O | 4 ??
- | o o | -
- | o o | -
- | o o | -
\___ |
\__|
Cable:
###################################
###################################
### ###
### OBD-II: ###
### Looking at connector ###
### ###
### --------------------- ###
### \ 6 2 3 5 4 - 8 - / ###
### \ - 7 1 - - - 9 - / ###
### \---------------/ ###
### ###
### ###
### Looking at back of harness ###
### --- ###
__
___/ |
/ |
- | - 6 | 8
15 | 7 2 | 7
yellow 14 | 1 3 | 6 red
- | - 5 | 5 black
- | - 4 | 4
- | - - | -
10 | 9 8 | 2
- | - - | -
\___ |
\__|
### ###
### ###
### ###
### DB-9 ###
### ==== ###
### ###
### Looking at connector ###
### --- ###
### ###
### ----------- ###
### | 1 2 3 4 5 | ###
### \ 6 7 8 9 / ###
### \---------/ ###
### ###
### Looking at canusb ###
### --- ###
### ###
### ______ ###
### / | ###
### / o | 5 ###
### 9 | o | ###
### | o | 4 darkred ###
### blue 8 | o | ###
### | o | 3 red ###
### 7 | o | ###
### | o | 2 ###
### 6 | o | ###
### \ o | 1 ###
### \______| ###
### ###
### ###
### ###
###################################
###################################
______
/ |
/ o | 12V_2
GND_1 | o |
| o | CAN_L
CAN_H | o |
| o | GND_2
- | o |
| o | -
12V_1 | o |
\ o | -
\______|
CANUSB CAN_H -> 8 -> 2 -> ---
CANUSB CAN_L -> 4 -> 4 -> ??? CAR
CANUSB GND_1 -> 9 -> 10-> ---
CANUSB GND_2 -> 3 -> 6 -> CAN CAR
CANUSB 12V_1 -> 6 -> 8 -> ??? CAR
CANUSB 12V_2 -> 5 -> 5 -> GND CAR
Or, if the CANUSB is looking at the connector:
CANUSB CAN_H -> 7 -> 15-> --- CAR
CANUSB CAN_L -> 2 -> 7 -> ??? CAR
CANUSB GND_1 -> 6 -> 8 -> ??? CAR
CANUSB GND_2 -> 3 -> 6 -> CAN CAR
CANUSB 12V_1 -> 9 -> 10-> ---
CANUSB 12V_2 -> 1 -> 14-> CAN CAR