Toyota2004–2007

Landcruiser Prado 3.0 D-4D: Common faults & known problems

Common faults & known problems

13 known faults documented in workshop bulletins. Of these, five concern the engine and fuel system and three the electrical and ignition. Symptoms, causes, repair steps and part numbers are shown where supplied.

Technical specifications

Engine & fuel system

5 documented faults — symptoms, causes and workshop fixes.

Engine malfunction indicator lamp (MIL) illuminated. Trouble code stored: P1121

Affects All models with Diesel engines.P1121

Cause

Internal failure of accelerator pedal position (APP) sensor.

Repair

Replace APP sensor.

Data: Motorwise Workshop. Bulletin 9.

Excessive vibration through vehicle when stationary with engine idling

Affects All models with Diesel engines.

Cause

Engine mounting(s) collapsed.

Repair

Check engine mountings. Replace as necessary.

Data: Motorwise Workshop. Bulletin 10.

Erratic idle

Overview

Affects: All models with Diesel engines.
Fault codes: P1238

Symptoms

Trouble code stored in engine control module (ECM) fault memory: P1238.

Cause

Faulty fuel injector(s).

Repair

Check fuel injectors for leaks. Repair/replace component(s) as necessary.
If fuel injector(s) replaced: Carry out injector calibration code programming in engine control module (ECM).

Data: Motorwise Workshop. Bulletin 11.

Black smoke when accelerating from cold start

Affects All models with 1KD-FTV engine code.P1604

Symptoms

Engine knock and/or shudder when starting engine from cold. Long cranking time before starting. Trouble code stored: P1604.

Cause

Injectors over-fuelling during pilot injection stage.

Repair

Test fuel injectors and replace as necessary.

Data: Motorwise Workshop. Bulletin 12.

Engine malfunction indicator lamp (MIL) illuminated. Possible trouble codes stored: P0671, P0672, P0673, P0674

Affects All models with 4-cylinder Diesel engine, →10/14.P0671P0672P0673P0674Fit new part

Cause

Defective glow plugs.

Repair

Fit new glow plugs.

Parts1 part

Parts listed in the bulletin
Part	Part number	Qty
Glow plug	19850-30030, or 19850-30040	4

Data: Motorwise Workshop. Bulletin 13.

Electrical & ignition

3 documented faults — symptoms, causes and workshop fixes.

Electric windows not fully closing

Overview

Affects: All models.

Cause

Battery has been disconnected.

Window channel movement restricted.

Repair steps

Check window channel for restrictions.
Disconnect battery for 10 seconds.
Reconnect battery.
Switch ignition ON.
Open window half way.
Close window and hold window switch in closed position for approximately 12 seconds.
Carry out procedure for remaining windows.
Check one-touch automatic function of windows.

Data: Motorwise Workshop. Bulletin 1.

Abnormal noise from front windows during operation

Affects All models, →08/05.Fit modified part

Symptoms

Front door window glass detached from window winder mechanism.

Cause

Poor manufacture of front door window glass mounting bolts.

Repair

Fit modified front door window glass mounting bolts and tighten to 8 Nm.

Parts1 part

Parts listed in the bulletin
Part	Part number	Qty
Bolt	91671-80612	2

Data: Motorwise Workshop. Bulletin 5.

Reverse lamps not working even though fuse intact

Affects All models.

Cause

Additional fuse for reverse lamp circuit blown.

Repair

Check all fuses. Replace blown fuse(s).

Data: Motorwise Workshop. Bulletin 8.

Brakes

1 documented fault — symptoms, causes and workshop fixes.

Parking brake ON warning lamp illuminates intermittently when driving

Low brake fluid level.

Overview

Affects: All models.

Repair steps

Top up brake fluid to correct level.
Check brake pad thickness. Replace component(s) as necessary.
Check for brake fluid leaks. Replace component if necessary.

Data: Motorwise Workshop. Bulletin 7.

Steering

1 documented fault — symptoms, causes and workshop fixes.

Ignition switch turns freely with key, but engine fails to crank

Affects All models, →01/07.Fit modified part

Symptoms

Engine will not crank. Steering column lock not disengaging.

Cause

Internal damage to ignition switch/steering column lock assembly.

Repair

Fit modified ignition switch/steering column lock assembly.

Data: Motorwise Workshop. Bulletin 4.

Clutch & gearbox

2 documented faults — symptoms, causes and workshop fixes.

Metallic noise from clutch assembly

Affects All models with 1KD-FTV engine code, →01/07.Fit modified part

Cause

Dirt trapped in clutch pressure plate.

Repair

Fit modified clutch pressure plate and clutch release lever.

Parts2 parts

Parts listed in the bulletin
Part	Part number	Qty
Clutch pressure plate	31210-60251	1
Clutch release lever	31204-60140	1

Data: Motorwise Workshop. Bulletin 3.

Oil leak from transmission

Overview

Affects: All models with automatic transmission (AT).

Cause

Transmission breather hose chafed through on wiring harness.

Repair

Replace transmission breather hose.
Ensure suitable clearance between transmission breather hose and surrounding components.

Data: Motorwise Workshop. Bulletin 6.

Wipers & visibility

1 documented fault — symptoms, causes and workshop fixes.

Windscreen wipers not working

Overview

Affects: All models, →02/08.
Remedy: Fit modified part
Parts: 5 parts

Cause

Water ingress into windscreen wiper motor.

Repair

Fit modified windscreen wiper motor.
Fit waterproof cover onto windscreen wiper motor.

Parts5 parts

Parts listed in the bulletin
Part	Part number	Qty
Windscreen wiper motor - RHD	85110-60330	1
Windscreen wiper motor - LHD	85110-60350	1
Waterproof cover - RHD	85111-60130	1
Waterproof cover - LHD	85111-60110	1
Clamp	85371-60040	1

Data: Motorwise Workshop. Bulletin 2.

Glossary

Technical terms used in this guide.

ECM: Engine control module — the electronic unit that manages the engine
Nm: Newton-metres — the standard unit for how tightly a bolt is done up
Accelerator Pedal Position: The sensor that tells the engine control module how far the accelerator is pressed
Control Module: A control unit for one of the vehicle's systems (engine, gearbox, brakes, body, and so on)
Fault Memory: The list of stored trouble codes in a control module
Glow Plugs: Heaters that help a diesel engine start from cold
Trouble Code: A standardised fault code stored by a control module, read with a diagnostic tool
Wiring Harness: The bundled cables that carry power and signals around the vehicle
Calibration: Setting a sensor or module so its readings match the real world

Frequently asked questions

What are the common faults with the Toyota Landcruiser Prado 3.0 D-4D?

This guide contains 13 workshop bulletins for the Toyota Landcruiser Prado 3.0 D-4D. Of these, five concern the engine and fuel system and three the electrical and ignition. Symptoms, causes, repair steps and part numbers are shown where supplied.

Does every Toyota Landcruiser Prado 3.0 D-4D have these faults?

No. These are patterns documented across the model by workshops, not predictions for an individual vehicle. Where a fault applies only to certain vehicles or VIN ranges, that is listed with the fault.

Can I check for Toyota Landcruiser Prado 3.0 D-4D faults myself?

Many of them. The documented symptoms can be seen, heard or felt during a test drive.