Description
Factory Lexus RX 400H Workshop Manual (2004–2009)
This factory-level service manual delivers complete repair, maintenance, and wiring diagram coverage for the second-generation Lexus RX 400H luxury hybrid SUV — the XU30-chassis model sold across North American and international markets from 2004 through 2009.
Powertrain & Drive Coverage
| Component | Variants Covered |
|---|---|
| Petrol | 3.3L 3MZ-FE V6 (hybrid) |
| Diesel | N/A |
| Transmissions | E-CVT (Lexus Hybrid Drive); 5-speed U151E/F automatic |
| Drive | AWD (electric rear motor-generator) |
| Model Years | 2004–2009 |
| Badge Twins | Toyota Highlander Hybrid (XU20/XU30) |
Common RX 400H Repairs Covered
| System | Procedures |
|---|---|
| Hybrid Battery & Inverter | High-voltage NiMH pack inspection, inverter diagnostics, cooling fan replacement — a known age-related concern on XU30 hybrid systems |
| Engine — Timing Belt | 3MZ-FE timing belt, tensioner, and water pump replacement at scheduled intervals |
| Regenerative Braking / ABS | Brake actuator service, VSC calibration, regenerative braking system bleeding procedures |
| Suspension | Front strut and rear shock absorber replacement, alignment specifications, wheel bearing service |
Format & Delivery
PDF. Instant download; lifetime re-downloads.
Frequently Asked Questions
Why does my RX 400H show a “Ready” light but won’t move — what does the manual cover for this?
This is commonly linked to a fault in the high-voltage inverter, hybrid control module, or transaxle motor-generator. The manual includes detailed diagnostic flowcharts for hybrid system DTCs, inverter output testing, and MG1/MG2 resistance checks specific to the XU30 platform.
Is the Toyota Highlander Hybrid covered by this same manual?
No — while the RX 400H and Toyota Highlander Hybrid share the XU30 platform and 3MZ-FE hybrid powertrain, this manual is written specifically for the Lexus RX 400H variant, including its unique body structure, interior electronics, and Lexus-specific trim and navigation systems.
Does the manual cover the high-voltage hybrid battery replacement procedure?
Yes. Full safety precautions, high-voltage disconnect procedures, NiMH battery module removal and installation, and battery cooling system service are all documented, including torque specifications and insulation resistance test values.
What format is the manual?
The manual is delivered as a PDF file available for instant download after purchase. It is fully searchable, compatible with Windows, Mac, iOS, and Android PDF readers, and individual pages can be printed as needed for workshop use.
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