Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSJEEP2008LIBERTY 2WD V6-3.7LREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGCONTROL ASSEMBLYLOCATIONS
2008 Jeep Liberty 2WD V6-3.7L
Control Assembly: Locations
2008 Jeep Liberty 2WD V6-3.7LSECTION Locations
Component ID: 66
Component : CONTROL-A/C-HEATER
Connector:
Name : CONTROL-A/C-HEATER C1
Color :
# of pins : 16
Qualifier : (MTC)
Gender : FEMALE
Pin Circuit Description
1 - -
2 - -
3 F921 18PK/YL FUSED RUN/START RELAY OUTPUT
4 Z910 18BK/PK GROUND
5 D264 20WT CAN INTERIOR BUS (-)
6 D265 20WT/OR CAN INTERIOR BUS (+)
7 C121 20DB/DG SENSOR GROUND
8 C21 20DB/LG EVAPORATOR TEMPERATURE SENSOR SIGNAL
9 L24 20WT/VT -
10 G939 20VT/DB -
11 C32 20DB/TN RECIRCULATION DOOR DRIVER
12 C35 20LB/OR MODE DOOR DRIVER
13 C54 20LB/YL DRIVER BLEND DOOR DRIVER
14 C154 20LB/OR COMMON DOOR DRIVER
15 - -
16 - -
Component Location - 34
Component Location - 36
Component Location - 15
Connector:
Name : CONTROL-A/C-HEATER C1 (ATC)
Color :
# of pins : 16
Gender : FEMALE
Pin Circuit Description
1 C56 18DB/LB BLOWER MOTOR CONTROL
2 A417 18RD FUSED B(+)
3 F921 20PK/YL FUSED RUN RELAY OUTPUT
4 Z910 18BK/PK GROUND
5 D264 20WT CAN INTERIOR BUS (125K) (-)
6 D265 20WT/OR CAN INTERIOR BUS (125K) (+)
7 C121 20DB/DG REAR TEMPERATURE RETURN
8 C21 20DB/LG EVAPORATOR TEMPERATURE SENSOR SIGNAL
9 L24 20WT/VT AUTO HEADLAMPS SIGNAL
10 G939 20VT/DB SUN SENSOR RETURN
11 C32 20DB/TN RECIRCULATION DOOR DRIVER
12 C35 20LB/OR MODE DOOR DRIVER
13 C54 20LB/YL BLEND DOOR DRIVER
14 C154 20LB/OR COMMON DOOR DRIVER
15 C830 22DB/YL IR SENSOR RETURN
16 C83 22DB/LG INFRARED SENSOR SIGNAL
Component Location - 34
Component Location - 36
Component Location - 15
Connector:
Name : CONTROL-A/C-HEATER C2
Color :
# of pins : 5
Qualifier : (MTC)
Gender : FEMALE
Pin Circuit Description
1 Z911 10BK GROUND
2 C71 16DB/BR FRONT BLOWER LOW SPEED
3 C72 16DB/OR FRONT BLOWER M1 SPEED
4 C73 12DB/VT FRONT BLOWER M2 SPEED
5 C75 12DB/GY BLOWER MOTOR HIGH DRIVER
Component Location - 34
Component Location - 36
Component Location - 15
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.