LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Jeep >> 2004 >> Liberty 2WD L4-2.4L VIN 1 >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Relays and Modules - Computers and Control Systems >> Body Control Module >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> Electrically Heated Systems
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Electrically Heated Systems

Test 1 - 3:




Test 4 - 9:




Test 10 - 12:






SYMPTOM
REAR WINDOW DEFOGGER INOPERATIVE

POSSIBLE CAUSES
- Junction block fuse 29
- PDC fuse 19
- Rear defogger relay DTC'S
- Rear window defogger relay output circuit open
- Rear window defogger relay
- Rear window defogger grid open
- Fused B(+) CKT open at relay
- A/C-heater control
- Open ground circuit
- Fused rear window defogger relay output circuit open
- Rear window defogger control open
- Body control module
- A/C-heater control led