Toyota Avensis (2003-2009) Wiring Diagram Manual PDF (AZT250, ZZT250, ZZT251, CDT250) – EWD526 & EWD625

This is the official Toyota Electrical Wiring Diagram (EWD) manual for the Toyota Avensis T25 platform, including model codes AZT250, ZZT250, ZZT251, and CDT250, covering manufacturing years 2003 to 2009.

The manual includes complete and detailed electrical schematics for all systems, including engine control, lighting, ABS, air conditioning, immobilizer, power windows, airbag (SRS), and more. These diagrams are essential for diagnosing, repairing, or modifying any electronic system within the vehicle.

This wiring diagram is divided into two main volumes:
526 (EWD526E): Early models (~2003–2005)
625 (EWD625E): Later models (~2006–2009)

Category: Electrical Wiring Diagram (EWD)
Format: PDF (Digital Download)
Language: English
File Type: Searchable & Printable
Manual Codes: EWD526E & EWD625E
Applicable Years: 2003–2009
Vehicle Series: AZT250 / ZZT250 / ZZT251 / CDT250

📑 What’s Included:
✅ System-Wise Wiring Diagrams:
Engine ECU, ignition system
Charging & starting system
Air conditioning & heater system
Audio and navigation
Lighting (headlamp, fog lamps, interior lights)
Airbag (SRS) & seat belt warning
ABS, VSC, TRC systems
Combination meter and warning indicators
Power windows, mirrors, locks
Instrument panel & relay blocks

✅ Location Diagrams:
Junction block locations
ECU & relay locations
Ground points (G1, G2, etc.)
Splice point diagrams

✅ Connector and Wire Identification:
Connector view with pin numbers & shapes
Wire color codes (e.g. B-W = Black with White stripe)
Terminal part numbers and harness codes
Connector-to-connector routing paths

✅ Other Sections:
“How to Use This Manual” section with full symbol key
Abbreviations used in circuits
Relay and fuse list
Connector part number charts
Index by system and page reference

🚗 Applicable Vehicles (T25 Platform):
This manual is applicable to:
Toyota Avensis 1.6L / 1.8L / 2.0L / 2.4L Petrol (ZZT250, ZZT251, AZT250)
Toyota Avensis 2.0L / 2.2L D-4D Diesel (CDT250)
Left-hand and right-hand drive variants
Covers sedan, liftback, and estate (wagon) body types manufactured between 2003 and 2009.

🛠️ Why You Need This Manual:
Essential for electrical troubleshooting and diagnosis
Used by Toyota dealerships and professional workshops
Shows exact wiring and connector paths, no guesswork
Helps with ECU swaps, custom wiring, retrofits
Accurate pinouts and connector types for repair or replacement

📥 File Details:
Property    Details
File Type    PDF
Download Type    Instant Digital Download
Manual Codes    EWD526E, EWD625E
Scan Quality    High-resolution & Searchable

🖼️ Sample Topics Inside:
“Combination Meter” circuit with pinout
“Engine Immobilizer” system wiring
“Air Conditioning Relay Location”
“Splice Point G2 near driver kick panel”
“Audio system – with and without amplifier”

⚠️ Important Notes:
This manual is not a mechanical service manual; it only contains electrical schematics and connector details.
Perfect for use with Toyota’s repair manual for (AZT250 / ZZT250 / ZZT251 / CDT250) complete vehicle servicing.