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2012 Jetta CECM pinouts, lowline and highline

phd-12v

Go Kart Champion
Please know this is here for information purposes and i needed a link for it. ;)


A - Onboard supply control unit -J519- , low-line
B - 73-pin connector -T73a- black
1 - Not assigned
2 - Left dipped beam output signal
3 - Not assigned
4 - Interior lighting out put signal, door contact switch
5 - Not assigned
6 - Rear fog lamp output signal
7 - Fog light switch input signal
8 - Not assigned
9 - Not assigned
10 - Rear lid release motor output signal
11 - Central locking motor "lock" output signal for all doors
12 - Central locking motor output signal for driver's door
13 - Central locking motor "Safe" output signal for all doors
14 - Central locking earth input signal (31)
15 - Central locking motor output signal for front passenger door and rear doors
16 - Central locking supply input signal (30)
17 - Central locking lock unit input signal for rear left door
18 - Central locking lock unit input signal for rear right door
19 - Driver side door contact switch input signal
20 - Front passenger side door contact switch input signal
21 - Central locking lock unit input signal for front passenger door
22 - Central locking lock unit input signal for driver's door
23 - Rear lid handle release button input signal
24 - Central locking input signal, driver door
25 - Interior locking button input signal
26 - Door contact switch input signal for rear right door
27 - Bonnet contact switch -F266- bonnet contact switch input signal
28 - Hazard warning lights button -E229- hazard warning lights button input signal
29 - Horn plate input signal
30 - Rear lid lock position 2 input signal
31 - Rear lid lock position 1 input signal
32 - Right turn signal switch input signal
33 - Left turn signal switch input signal
34 - Door contact switch input signal for rear left door
35 - Not assigned
36 - Switch-off signal for heated seat
37 - Not assigned
38 - Driver side heated exterior mirror -Z4- , front passenger side heated exterior mirror -Z5- heated exterior mirrors output signal
39 - Earth input signal (31)
40 - Rear right side light bulb output signal
41 - Rear left side light bulb output signal
42 - Supply input signal (86s) for ignition/starter switch
43 - Brake pedal position sender input signal
44 - Supply input signal (15) for ignition/starter switch
45 - Side light switch input signal
46 - Not assigned
47 - Not assigned
48 - Not assigned
49 - Headlight washer system relay output signal
50 - Not assigned
51 - Not assigned
52 - Fuel supply relay output signal
53 - Alarm horn relay -J641-
54 - Supply input signal (75a) for ignition/starter switch
55 - Starter inhibitor relay output signal (only models with automatic gearbox)
56 - Hazard warning light button -E229- hazard warning light system warning lamp output signal
57 - Interior monitoring "off" warning lamp output signal
58 - Central locking SAFE function warning lamp output signal
59 - Interior locking warning lamp output signal
60 - Heated rear window warning lamp output signal
61 - Not assigned
62 - Main beam output signal
63 - Supply input signal (30), left headlight
64 - Supply input signal (30), heated exterior mirrors
65 - Supply input signal (30), interior lights
66 - Supply input signal (30), interior lights
67 - Not assigned
68 - Supply input signal (30), window wiper
69 - Window wiper position 1 output signal
70 - Window wiper earth input signal
71 - Window wiper position 2 output signal
72 - Horn output signal
73 - Horn supply input signal (30)
C - 73-pin connector -T73b- , white


Connector assignment:

73-pin connector -T73b- black -C-

A - Onboard supply control unit -J519- , low-line
B - 73-pin connector -T73a- black
C - 73-pin connector -T73b- , white
1 - Not assigned
2 - Right dip beam output signal
3 - Not assigned
4 - Not assigned
5 - Not assigned
6 - Not assigned
7 - Not assigned
8 - Not assigned
9 - Left fog light bulb output signal
10 - Right fog light bulb output signal
11 - Fog light bulb supply input signal (30)
12 - Reversing light output signal (only models with automatic gearbox)
13 - Turn signal and brake light supply input signal (30)
14 - Left turn signal output signal
15 - Right turn signal output signal
16 - Brake lights output signal
17 - LIN bus, door control unit and switches in steering wheel
18 - Powertrain CAN, low
19 - Powertrain CAN, high
20 - Convenience CAN, high
21 - Convenience CAN, low
22 - Diagnosis CAN, low
23 - Diagnosis CAN, high
24 - LIN bus, sliding sunroof adjustment control unit, rain and light detector sensor, interior monitoring sensor,
25 - Not assigned
26 - Not assigned
27 - Window wiper position 1 input signal
28 - Central locking input signal, front passenger door
29 - Not assigned
30 - Interior monitoring deactivation switch input signal
31 - Heated rear window button input signal
32 - Wiper limit switch input signal
33 - Not assigned
34 - Switch and Instrument Illumination (58d) Output Signal
35 - Not assigned
36 - LIN bus, alarm horn
37 - Signal (K), diagnosis
38 - Earth input signal (31) for electronics
39 - Supply input signal (30) for electronics
40 - Not assigned
41 - Not assigned
42 - Brake contact switch input signal
43 - Not assigned
44 - Cruise control system "Set" input signal
45 - Cruise control system "On/Off" input signal
46 - Cruise control system "Reset" input signal
47 - Cruise control system "Cancel" input signal
48 - Reversing light switch input signal
49 - Signal (L) alternator
50 - Starter relay input signal
51 - Supply input signal (75a) for ignition/starter switch
52 - Window washer pump supply input signal
53 - Window wiper position 2 input signal
54 - Not assigned
55 - Starter inhibitor signal (only models with automatic gearbox)
56 - Not assigned
57 - Not assigned
58 - Heated exterior mirror switch input signal
59 - Input signal for reference voltage (30)
60 - Input signal for earth - reference voltage (31)
61 - Washer pump motor and rear window wiper motor output signal
62 - Windscreen wiper intermittent operation input signal
63 - Heated rear window output signal
64 - Not assigned
65 - Not assigned
66 - Not assigned
67 - Heated rear window supply input signal (30)
68 - Supply input signal (30), right headlight
69 - Not assigned
70 - Not assigned
71 - Not assigned
72 - Not assigned
73 - Not assigned
SEE LOW LINE PHOTO BELOW FOR THE ABOVE PIN CONFIGURATIONS


Onboard supply control unit -J519-
Only models with Pr. number AW1
Fitting location:
under dash panel on driver side, under relay carrier
Connector assignment:

52-pin connector -T52 A- black -A-

1 - Fuse 26 on fuse holder B -SB26-
2 - Not assigned
3 - Not assigned
4 - Right washer jet heater element -Z21-
5 - Left headlight main beam bulb -M30-
6 - Not assigned
7 - Left daytime running light bulb -L174-
8 - Right daytime running light bulb -L175-
9 - Rear right turn signal bulb -M8-
10 - Front left turn signal bulb -M5-
11 - Left headlight dipped beam bulb -M29-
12 - Not assigned
13 - Rear lid handle release button -E234- , soft touch
14 - Bonnet contact switch -F266-
15 - Not assigned
16 - Reversing light switch -F4-
17 - Rear fog light switch -E18-
18 - Light switch -E1- , zero position
19 - Light switch -E1- , side lights
20 - Light switch -E1- , driving light assist
21 - Fog light switch -E7-
22 - Light switch -E1- , dip beam
23 - Earth connection 2, in main wiring harness-367-
24 - Positive connection 24 (30a), in main wiring harness -B684- terminal 30ref
25 - Left fog light bulb -L22-
26 - Right brake and tail light bulb -M22-
27 - Left tail light bulb -M4- , rear left tail light
28 - Left reversing light bulb -M16-
29 - Rear lid lock unit -F256-
30 - Rear right door contact switch -F11-
31 - Not assigned
32 - Not assigned
33 - Not assigned
34 - Not assigned
35 - Heater/heat output switch -E16-
36 - Interior monitoring deactivation switch -E267-
37 - Rear left door central locking motor, lock -V214-
38 - Rear left door control unit -J388-
39 - Rear right door control unit -J389-
40 - Rear left door control unit -J388-
41 - Rear left door contact switch -F10-
42 - Earth connection 2, in main wiring harness -367-
43 - Washer pump -V5-
44 - Right side light bulb -M3-
45 - Additional brake light bulb -M25-
46 - Tank filler flap locking motor -V155-
47 - Not assigned
48 - Rear left central locking lock unit -F222-
49 - Rear right door central locking motor, lock -V215-
50 - Not assigned
51 - Button illumination bulb -L76-Connection 1 (58d), in main wiring harness -B340-
52 - Not assigned


Connector assignment:

52-pin connector -T52 B- white-B-


1 - Fuse 36 on fuse holder C -SC36- , central locking
2 - Washer pump -V5-
3 - Not assigned
4 - Not assigned
5 - Tank filler flap locking motor -V155-
6 - Not assigned
7 - Rear left door central locking motor, lock -V214-
8 - Rear right central locking lock unit -F223-
9 - Not assigned
10 - Not assigned
11 - Rear lid release motor -V139-
12 - Terminal 15 voltage supply relay 2 -J681-
13 - Not assigned
14 - Heater/heat output switch -E16-Heated rear window warning lamp -K10-
15 - Switch and instrument illumination regulator -E20-
16 - Sliding sunroof control unit -J245-
17 - Sliding sunroof adjustment control unit -J245- , convenience closing
18 - Wiper motor switch-over relay 1 -J368-
19 - Not assigned
20 - Wiper motor -V-
21 - Heated front seats control unit -J774-
22 - Heated rear window relay -J9-
23 - Wiper motor switch-over relay 2 -J369-
24 - Hazard warning lights button -E229-
25 - Not assigned
26 - Rear left door central locking SAFE function motor -V163-
27 - Rear right door central locking SAFE function motor -V164-
28 - X-contact relief relay -J59-
29 - Terminal 50 voltage supply relay -J682-
30 - Switch and instrument illumination regulator -E20-
31 - Not assigned
32 - Not assigned
33 - Rain and light detector sensor -G397- , LIN bus
34 - Not assigned
35 - Not assigned
36 - Alarm horn -H12-Interior monitoring sensor -G273-
37 - Interior monitoring deactivation switch -E267-
38 - Fuel supply relay -J643-
39 - Not assigned
40 - Headlight washer system relay -J39-
41 - Dual tone horn relay -J4-
42 - Fuse 48 on fuse holder C -SC48-
43 - Positive connection, in roof wiring harness -B250-
44 - Not assigned
45 - Not assigned
46 - Not assigned
47 - Not assigned
48 - Not assigned
49 - Not assigned
50 - Not assigned
51 - Connection 1 (58d), in main wiring harness -B340-
52 - Earth connection 2, in main wiring harness -367-



Connector assignment:

52-pin connector -T52 C- brown-C-

1 - Positive connection (30), in dash panel wiring harness -A32-
2 - Alarm system horn -H18-
3 - Connection (58R), in dash panel wiring harness -A85-
4 - Left brake lamp bulb -M9- , left tail lamp -MX3-
5 - Earth connection 2, in main wiring harness -367-
6 - Not assigned
7 - Hazard warning lights button -E229-
8 - Not assigned
9 - Not assigned
10 - Connection 1 (TK), in interior wiring harness -B154- , front interior light -W1-
11 - Not assigned
12 - Not assigned
13 - Steering column electronics control unit -J527-Ignition/starter switch -D- Terminal S, Electronic steering column lock control unit -J764-
14 - Positive connection (50), in main wiring harness -B276-Steering column electronics control unit -J527-
15 - Data bus diagnostic interface -J533-Connection 2 (convenience CAN bus, high), in main wiring harness -B407-
16 - Data bus diagnostic interface -J533-Connection 2 (convenience CAN bus, low), in main wiring harness -B407-
17 - Brake light switch -F-
18 - Not assigned
19 - Not assigned
20 - Not assigned
21 - Not assigned
22 - Not assigned
23 - Not assigned
24 - Entry and start authorisation control unit -J518-
25 - Connection (fog light), in main wiring harness -B554-
26 - Left side light bulb -M1-
27 - Positive connection (58), in number plate lights wiring harness -W41-
28 - Connection (RL), in dash panel wiring harness -A87-
29 - Not assigned
30 - Mechatronic unit for dual clutch gearbox -J743- P-N / Earth connection 3, in main wiring harness -368- , start/stop
31 - Steering column electronics control unit -J527-
32 - Connection (61), in interior wiring harness -B177- / heater control unit -J162-
33 - Not assigned
34 - Not assigned
35 - Switch and instrument illumination regulator -E20-
36 - Not assigned
37 - Not assigned
38 - Not assigned
39 - Not assigned
40 - Central locking and anti-theft alarm system aerial -R47- , aerial screening
41 - Central locking and anti-theft alarm system aerial -R47-
42 - Fuse 29 on fuse holder B -SB29-
43 - Not assigned
44 - Not assigned
45 - Not assigned
46 - Right headlight main beam bulb -M32-
47 - Rear left fog light bulb -L46-
48 - Not assigned
49 - Not assigned
50 - Front right turn signal bulb -M7-
51 - Rear left turn signal bulb -M6-
52 - Right headlight dipped beam bulb -M31-
SEE HIGH LINE PHOTO BELOW FOR THE ABOVE PIN CONFIGURATIONS

 

Attachments

LSIII

New member
Where did you get the pin outs for the Jetta MK6 CECMs? It appears that one of them has changed on the 2015 Jetta low line CECM and was wondering how I could get access to similar documents to verify.

Thanks!
 
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