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.
2007 Jeep Wrangler V6-3.8LFACTORY OEM SERVICE PROCEDURE
Module-Occupant Classification
Component ID: 158
Component : MODULE-OCCUPANT CLASSIFICATION
Connector:
Name : MODULE-OCCUPANT CLASSIFICATION C1
Color :
# of pins : 10
Qualifier : (EXCEPT EXPORT)
Pin Description Circuit
1 FUSED B(+) A27 20RD/LB
2 - -
3 - -
4 CAN C BUS (+) D65 20WT/LG
5 CAN C BUS (-) D64 20WT/LB
6 - -
7 - -
8 - -
9 - -
10 GROUND Z913 20BK
Component Location - 27
Fig. 27:
Connector:
Name : MODULE-OCCUPANT CLASSIFICATION C2
Color :
# of pins : 12
Qualifier : (EXCEPT EXPORT)
Pin Description Circuit
1 SEAT WEIGHT SENSOR 5 VOLT SUPPLY R701 20LG
2 - -
3 SEAT WEIGHT LEFT FRONT SENSOR SIGNAL R717 20LG/DG
4 - -
5 SEAT WEIGHT RIGHT FRONT SENSOR SIGNAL R718 20LB/DG
6 - -
7 SEAT WEIGHT RIGHT REAR SENSOR SIGNAL R706 20LB/OR
8 - -
9 SEAT WEIGHT LEFT REAR SENSOR SIGNAL R705 20LG/OR
10 - -
11 - -
12 SEAT WEIGHT SENSOR GROUND R728 20LB/YL
Component Location - 27
Fig. 27:
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.