Isuzu D-Max 2019-2023 Workshop Repair Manual Download PDF

Isuzu D-Max Workshop Repair Manual Download PDF

This Isuzu D-Max Workshop Manual bundle includes 2 professional manuals in PDF format: a comprehensive main vehicle workshop manual archive covering the full vehicle, chassis, driveline, transmission, body, electrical systems and wiring diagrams, plus a separate dedicated Isuzu 4JJ3 Engine (with DPD) supplemental service manual with detailed engine teardown, timing chain, injector, and DPD aftertreatment procedures.

Official Workshop manual used by Isuzu Approved Garages worldwide.

Model:
Isuzu D-Max Third Generation RG01
Single Cab, Space Cab, Crew Cab — all body styles and trim levels
4×2 and 4×4 drivetrain configurations
Left and Right hand drive covered
Does not include the 2023 facelift model.

Engines:
Diesel:
1.9 L RZ4E-TC turbo diesel
3.0 L 4JJ1-TC turbo diesel
3.0 L 4JJ3-TCX turbo diesel (with DPD aftertreatment)

Transmissions:
6-speed MVL manual gearbox with clutch system
6-speed AWR6B45 automatic transmission
6-speed TB-50LS automatic transmission
4WD Transfer Case

Years: 2023, 2022, 2021, 2020, 2019

Format: PDF (2-manual bundle)

Language: English

Manual 1 — Main D-Max Vehicle Workshop Manual

The main vehicle manual covers every D-Max system: engine mechanical, fuel, cooling, lubrication, induction, exhaust, and emission control for the 4JJ1 and RZ4E engines. AWR6B45 automatic, TB-50LS automatic, and MVL manual transmission service including clutch, transfer case, differentials, and drive shafts. Front and rear suspension, power steering, ABS brakes, HVAC climate control, airbags, seat belts, body panels, cab structure, seats, locks, trim, glass, and mirrors. Includes full colour wiring diagrams, connector location diagrams, relay and fuse information, BCM, keyless entry, TPMS, and headlight leveling references.

Manual 2 — Isuzu 4JJ3 Engine (with DPD) Supplement

The dedicated 4JJ3 engine supplement provides deep teardown procedures: cylinder head, camshaft, timing chain, idle gears, crankshaft, pistons, cylinder block, and crankcase service with torque specs and wear limits. Common rail injector replacement, valve clearance adjustment, and EGR cooler bypass solenoid service. DPD-specific coverage including exhaust differential pressure sensor, exhaust gas temperature sensor harness, and DPD bracket procedures.

Key Features:
Comprehensive Diagrams
Zoom-In Illustrations
Torque Specifications
Special Tooling Requirements
Menu-Driven Pages
Thousands of Photographs and Diagrams
Fully Searchable Text

Isuzu D-Max 2019-2023 Workshop Service Repair Manual PDF Download

Contents:
General Information, Manufacturer Specifications, Maintenance, Technical Diagnostics, Torques, Fault Finding Diagnostics, Engine (4JJ1, 4JJ3 with DPD, RZ4E), Fuel System & Exhaust, Lubrication, Transmission (AWR6B45 Auto, TB-50LS Auto, MVL Manual), Clutch, Transfer Case, Timing Chain, Scheduled Service Information, Electrical System, Lights and Switch, Wheels & Tyres, Suspension, Body & Chassis, Interior Fittings, Ventilation System, Cooling System, Heater, Air Conditioning, Safety Systems, Brake System, ABS, Steering System, Front & Rear Axle, Propeller Shaft & Differential, Operating Fluids, Special Tooling Requirements, Wiring Diagrams, Connector Locations, Relay & Fuse Information, And much more…

Isuzu D-Max 2019-2023 Wiring Diagrams Download PDF

Instant PDF Download

Frequently Asked Questions

Does the Isuzu D-Max have a timing belt or timing chain?

The Isuzu D-Max 2019-2023 with the 3.0L 4JJ1 and 4JJ3 turbo diesel engines uses a timing chain, not a timing belt. The 4JJ3 engine supplement in this bundle includes complete timing chain inspection, alignment mark positions, idle gear service, and step-by-step removal and installation instructions with torque specifications.

Does this manual cover DPF/DPD problems and regeneration?

Yes. The 4JJ3 engine supplement covers the Diesel Particulate Device (DPD/DPF) system including exhaust differential pressure sensor diagnosis, exhaust gas temperature sensor locations and harness routing, and EGR cooler bypass control solenoid valve service. This helps diagnose DPD warning lights and regeneration issues common during short-trip driving.

What engines and transmissions are covered?

Three diesel engines: 1.9L RZ4E-TC, 3.0L 4JJ1-TC, and 3.0L 4JJ3-TCX with DPD. Three transmissions: 6-speed MVL manual with clutch, Aisin AWR6B45 6-speed automatic, and TB-50LS 6-speed automatic. 4WD transfer case and differentials are also covered for all drivetrain configurations.

Does this manual include wiring diagrams?

Yes. The main vehicle manual includes full colour wiring diagrams for all D-Max systems, dedicated connector location diagrams showing where each plug is physically located on the vehicle, plus relay and fuse information. Additional sections cover the BCM, keyless entry, passive entry-start, TPMS, and headlight automatic leveling.

What is the difference between the 4JJ1 and 4JJ3 engine?

The 4JJ3-TCX is an evolution of the 4JJ1 equipped with a Diesel Particulate Device (DPD) aftertreatment system for stricter emissions standards. Both share the same 3.0-litre architecture. This bundle covers both: the main manual handles the 4JJ1, while the supplemental manual provides 4JJ3-specific teardown, rebuild, and DPD service procedures.

Is this the same manual used by Isuzu dealerships?

Yes. This is the same factory workshop manual content used by Isuzu Approved Garages and authorised service centres worldwide, containing manufacturer-approved repair procedures, torque values, service intervals, and diagnostic protocols as used by factory-trained technicians.