Description
Factory Lexus LS 400 Workshop Manual (1989–2000)
This factory-sourced repair manual delivers complete service coverage for every Lexus LS 400 sold in the US market across both chassis generations, from the debut 1989 model year through the final 2000 production run.
Powertrain & Drive Coverage
| Component | Variants Covered |
|---|---|
| Petrol | 4.0L 1UZ-FE naturally aspirated aluminum V8 |
| Diesel | N/A |
| Transmissions | A341E 4-speed automatic (early models); A650E 5-speed automatic (later models) |
| Drive | RWD |
| Model Years | 1989–2000 (UCF10/XF10 and UCF20/XF20 chassis) |
| Badge Twins | Toyota Celsior (Japan-market equivalent) |
Common LS 400 Repairs Covered
| System | Procedures |
|---|---|
| 1UZ-FE Timing Belt | Timing belt, idler pulley, and water pump replacement — a known high-interval service on all LS 400 models |
| Air Suspension (UCF20) | Height sensor calibration, air strut replacement, and compressor diagnostics for XF20-generation rear air suspension faults |
| Brake System | ABS actuator service, brake booster inspection, caliper overhaul, and rotor resurfacing specifications |
| Climate Control | Blend door actuator replacement, refrigerant system service, and HVAC wiring diagnostics |
Format & Delivery
PDF. Instant download; lifetime re-downloads.
Frequently Asked Questions
Does this manual cover both the XF10 and XF20 chassis generations?
Yes. The manual addresses both the first-generation UCF10/XF10 platform (1989–1994) and the second-generation UCF20/XF20 platform (1995–2000), including differences in suspension design, transmission variants, and updated engine management systems introduced for each generation.
Is the Toyota Celsior covered by this manual?
The Toyota Celsior is the Japan-domestic-market counterpart to the LS 400 and shares the same 1UZ-FE engine and platform architecture. While this manual is written specifically for the Lexus LS 400, most mechanical procedures apply directly to the Celsior as well.
Are wiring diagrams included for the ABS and electrical systems?
Full electrical schematics are included, covering ABS brake circuits, engine management wiring, climate control, lighting, power seat systems, and audio connections. Color-coded diagrams with connector locations are provided for systematic fault diagnosis.
What format is the manual?
The manual is a PDF file, compatible with Windows, Mac, iOS, and Android devices using any standard PDF reader. After purchase you receive an instant download link, and the file is available for re-download at any time.
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