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.
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HOMESERVICE MANUALSJEEP2009WRANGLER X, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSWIRING DIAGRAMSCONNECTOR END VIEWSCONNECTOR PIN-OUTSPOWERTRAIN CONTROL MODULE (GAS) CONNECTOR END VIEW (C3)
2009 Jeep Wrangler X, Automatic
Powertrain Control Module (Gas) Connector End View (C3)
2009 Jeep Wrangler X, AutomaticSECTION Powertrain Control Module (Gas) Connector End View (C3)
MODULE-POWERTRAIN CONTROL C3 - BLACK/NATURAL 38 WAY (GAS)
| CAV | CIRCUIT | FUNCTION |
| 1 | - | - |
| 2 | - | - |
| 3 | K51 20BR/LB | ASD RELAY CONTROL |
| 4 | - | - |
| 5 | - | - |
| 6 | - | - |
| 7 | - | - |
| 8 | - | - |
| 9 | K299 18BR/WT | O2 1/2 HEATER CONTROL |
| 10 | K399 18BR/GY | O2 2/2 HEATER CONTROL |
| 11 | C13 18LB/OR | A/C CLUTCH CONTROL |
| 12 | - | - |
| 13 | - | - |
| 14 | B16 18LB/DG | BRAKE SIGNAL 2 |
| 15 | V937 18VT/BR | S/C SWITCH GROUND |
| 16 | K167 18BR/YL | APP 1 SENSOR GROUND |
| 17 | K400 18BR/VT | APP 2 SENSOR GROUND |
| 18 | V72 18OR/VT | S/C SIGNAL 2 |
| 19 | F342 16BR/WT | FUSED ASD RELAY OUTPUT |
| 20 | K52 18DB/WT | EVAP PURGE CONTROL |
| 21 | T141 18YL/OR | CLUTCH INTERLOCK SIGNAL (M/T) |
| 22 | - | - |
| 23 | B15 18DG/WT | BRAKE SIGNAL 1 |
| 24 | - | - |
| 25 | K23 18BR/WT | APP 1 SIGNAL |
| 26 | - | - |
| 27 | - | - |
| 28 | F342 16BR/WT | FUSED ASD RELAY OUTPUT |
| 29 | K70 18DB/BR | EVAP PURGE RETURN |
| 30 | - | - |
| 31 | - | - |
| 32 | - | - |
| 33 | - | - |
| 34 | V71 18VT/OR | S/C SIGNAL 1 |
| 35 | K107 18VT/WT | ESM SIGNAL |
| 36 | K29 18WT/BR | APP 2 SIGNAL |
| 37 | K31 18BR | FUEL PUMP CONTROL |
| 38 | T752 18DG/OR | STARTER RELAY CONTROL |
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:
- • 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.