| Component |

| Connector Pin Function |
|
Connector |
Pin
No |
Function |
Connector |
Pin
No |
Function |
|
A |
1 |
GND |
B |
14 |
BLOWER ON SIGNAL TO COMMON |
|
2 |
M/HIGH |
15 |
MAX BLOWER ON SIGNAL |
||
|
3 |
M/LOW |
16 |
ILL - (RHEO) |
||
|
4 |
HIGH |
17 |
IGN2 |
||
|
5 |
COMMON |
18 |
IGN1 |
||
|
6 |
LOW |
19 |
SENSOR REF (+5) |
||
|
B |
1 |
ILL+ (TAIL) |
20 |
EVA SENSOR (+) |
|
|
2 |
BATTARY |
21 |
AMB SENSOR (+) |
||
|
3 |
MODE ACT'R (VENT) |
22 |
PTC RELAY 2 |
||
|
4 |
MODE ACT'R (DEF) |
23 |
PTC RELAY 3 |
||
|
5 |
TEMP ACT'R (COOL) |
24 |
HTD |
||
|
6 |
TEMP ACT'R (WARM) |
25 |
Rr DEFOG SW |
||
|
7 |
INTAKE ACT'R (FRE) |
26 |
C_CAN HIGH |
||
|
8 |
INTAKE ACT'R (REC) |
27 |
C_CAN LOW |
||
|
9 |
PTC ON SIGNAL |
28 |
HAZARO BLINK SIGNAL |
||
|
10 |
DETENT OUT (+) |
29 |
ECV + |
||
|
11 |
MODE ACT'R F/B |
30 |
ECV - (GND) |
||
|
12 |
TEMP ACT'R F/B |
31 |
SENSOR GND |
||
|
13 |
INTAKE ACT'R F/B |
32 |
GND |
Controller
Heater & A/C Control Unit (Manual) Repair procedures