Electrical & ignition
1 documented fault — symptoms, causes and workshop fixes.
Lane change assist warning lamp illuminated
Overview
- Affects
- All models with lane change assist.
- Fault codes
U0232- Remedy
- Fit modified part
- Parts
- 1 part
Symptoms
Trouble codes stored: C1AB7, U0232.
Cause
Lane change assist control module faulty.
Repair
- Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
- If no fault(s) found: Fit modified lane change assist control module.
Parts1 part
| Part | Part number | Qty |
|---|---|---|
| Lane change assist control module | 88162-0W384 | 1 |
Data: Motorwise Workshop. Bulletin 3.
Brakes
1 documented fault — symptoms, causes and workshop fixes.
Lack of brake servo assistance when braking
Overview
- Affects
- All models with 1WW/2WW engine codes.
- Remedy
- Fit modified part
- Parts
- 2 parts
Cause
Oil contamination of brake servo causing damage to servo diaphragm.
Repair
- Inspect brake servo for internal oil contamination.
- If oil is found: Fit modified brake servo vacuum hose with additional non-return valve Fit new brake servo.
Parts2 parts
| Part | Part number | Qty |
|---|---|---|
| Servo vacuum hose LHD | 44750-64040 | 1 |
| Servo vacuum hose RHD | 44750-64050 | 1 |
Data: Motorwise Workshop. Bulletin 4.
Suspension & drivetrain
1 documented fault — symptoms, causes and workshop fixes.
Knocking noise from rear suspension over uneven surfaces
Cause
Unsatisfactory design of rear trailing arm front bush.
Repair
- Fit modified rear trailing arms.
Parts2 parts
| Part | Part number | Qty |
|---|---|---|
| Rear trailing arm (RH) | 48760-42040 | 1 |
| Rear trailing arm (LH) | 18780-42060 | 1 |
Data: Motorwise Workshop. Bulletin 1.
Air conditioning & heating
1 documented fault — symptoms, causes and workshop fixes.
Squeaking noise from centre of fascia over uneven surfaces
Friction between audio unit and air conditioning (AC) control module. Fix: clean and lubricate.
Overview
- Affects
- All models, →10/16.
- Remedy
- Clean & lubricate
Repair steps
- Remove audio unit.
- Remove and discard the three felt strips located on underside of audio unit.
- Thoroughly clean all mating surfaces.
- Cut two new felt strips 10 mm x 10 mm and apply to underside of audio unit.
- Refit audio unit.
Parts
| Part | Part number | Qty |
|---|---|---|
| Felt strip | 55355-42050 | 1 |
Data: Motorwise Workshop. Bulletin 2.
Glossary
Technical terms used in this guide.
- Brake Servo
- The unit that boosts the force of your foot on the brake pedal
- Trouble Codes
- Standardised fault codes stored by the engine control module, read with a diagnostic tool
- AC
- Air conditioning — the system that cools the cabin
- Control Module
- A control unit for one of the vehicle's systems (engine, gearbox, brakes, body, and so on)
- Bush
- A rubber mounting that lets a suspension or body joint move without metal-to-metal contact
Frequently asked questions
What are the common faults with the Toyota RAV4 2.0 D-4D?
This guide contains four workshop bulletins for the Toyota RAV4 2.0 D-4D. Of these, one concerns the electrical and ignition and one the brakes. Symptoms, causes, repair steps and part numbers are shown where supplied.
Does every Toyota RAV4 2.0 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 RAV4 2.0 D-4D faults myself?
Many of them. The documented symptoms can be seen, heard or felt during a test drive.