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.DB● LIVE
HOMESERVICE MANUALSAUDI2004A4 BASE, 4D SEDAN, 3.0 TREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTHEATED GLASS/DEFOGGERSON BOARD DIAGNOSTIC (OBD)AUTOMATIC CLIMATE CONTROL SYSTEM, ELECTRICAL TESTINGCOMPONENTS ACTIVATED BY A/C CONTROL HEAD -E87-, ELECTRICAL TESTINGHEATED FRONT WINDOW -Z2-, CHECKING ACTIVATION
2004 Audi A4 Base, 4D Sedan, 3.0 T
Heated front window -Z2-, checking activation
2004 Audi A4 Base, 4D Sedan, 3.0 TSECTION Heated front window -Z2-, checking activation
Special tools and equipment
- VAG 1598 A test box and VAG 1598/11 adapter cable and VAG 1598/12
- VAS 5051 Vehicle Diagnostic, Testing and Information System with VAS 5051/7 test leads
- VAG 1594 A connector test kit
- Switch ignition off.
- Remove A/C Control Head -E87-. See A/C CONTROL HEAD -E87-, REMOVING AND INSTALLING .
- Connect VAG 1598 A test box with VAG 1598/11 adapter cable between connector -C- and A/C control head -E87-. See WIRING AND COMPONENT TESTING USING VAG 1598 A TEST BOX .
- Connect VAG 1598/12 adapter cable between connector -D- and A/C control head -E87- (use a second VAG 1598 A test box or connect tester directly to VAG 1598/12 using suitable test leads from VAG 1594 A connector test kit. See WIRING AND COMPONENT TESTING USING VAG 1598 A TEST BOX .
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.