Engine & fuel system
1 documented fault — symptoms, causes and workshop fixes.
Engine malfunction indicator lamp (MIL) illuminated. Trouble code stored: P1298
Failure of electrical load sensor located in engine bay fuse box/relay plate. Fix: fit a new part.
Overview
- Affects
- All models.
- Fault codes
P1298- Remedy
- Fit new part
Repair steps
- Disconnect battery.
- Remove engine bay fuse box/relay plate lower cover.
- Disconnect 3-pin multi-plug from engine bay fuse box/relay plate.
- Remove fuses and electrical load sensor from engine bay fuse box/relay plate&.
- Fit new electrical load sensor.
- Refit components in reverse order of removal.
- Carry out electric window/sunroof initialisation and resetting procedures as necessary after reconnection of battery.
- Carry out idle speed learning procedure: Start engine and allow to idle. Ensure engine is at normal operating temperature. Ensure all electrical load is switched OFF. Allow engine to idle for 10 minutes.
Parts
| Part | Part number | Qty |
|---|---|---|
| Electrical load sensor | 38255-S5A-003 | 1 |
Data: Motorwise Workshop. Bulletin 6.
Electrical & ignition
2 documented faults — symptoms, causes and workshop fixes.
Buzzing or rattling/clattering noises from headlamps with ignition ON
Cause
Faulty headlamp adjustment motor.
Repair
- Replace headlamp adjustment motor.
Data: Motorwise Workshop. Bulletin 1.
Radio interference
Overview
- Affects
- All models.
- Remedy
- Fit modified part
Cause
Poor earth connection on roof aerial base.
Signal interference from alternator.
Repair steps
- Clean and check earth connection on roof aerial base.
- Fit modified aerial base nut.
- Tighten aerial base nut. Tightening torque: 4.5 - 5.0 Nm.
Parts
| Part | Part number | Qty |
|---|---|---|
| Aerial base nut | 39153-S6A-J01 | 1 |
Data: Motorwise Workshop. Bulletin 2.
Brakes
1 documented fault — symptoms, causes and workshop fixes.
Front brake judder
Overview
- Affects
- All models, 2005-08.
Cause
Excessive front brake disc runout.
Repair
- Check front brake disc runout is less than 0.04 mm. Reface or replace front brake discs as necessary.
- Check front brake disc thickness variation is less than 0.015 mm. Reface or replace front brake discs as necessary.
Data: Motorwise Workshop. Bulletin 3.
Suspension & drivetrain
1 documented fault — symptoms, causes and workshop fixes.
Knocking noise from front wheel when pulling away
Overview
- Affects
- All models, 1982-05.
- Remedy
- Clean & lubricate
Cause
Contact between driveshaft and front wheel bearing.
Repair
- Clean driveshaft and wheel bearing contact surfaces.
- Apply grease to contact surfaces of driveshaft and wheel bearing.
Data: Motorwise Workshop. Bulletin 4.
Clutch & gearbox
1 documented fault — symptoms, causes and workshop fixes.
Rattling noise from clutch assembly with engine idling and clutch pedal fully released
Cause
Insufficient lubrication of clutch release lever pivot pin.
Repair
- Apply grease to contact surfaces of clutch release lever and pivot pin.
Parts1 part
| Part | Part number | Qty |
|---|---|---|
| Urea grease UM264 | 41211-PY5-305 | As required |
Data: Motorwise Workshop. Bulletin 5.
Glossary
Technical terms used in this guide.
- Nm
- Newton-metres — the standard unit for how tightly a bolt is done up
- Disc Runout
- How much a brake disc wobbles; too much causes vibration or squeal
- Driveshaft
- The shaft that takes drive from the differential out to a wheel
- Multi-Plug
- A multi-pin electrical connector on a wiring harness
- Relay
- An electrically operated switch
- Alternator
- The unit that charges the battery while the engine is running
- Earth
- An electrical ground connection back to the battery or body
Frequently asked questions
What are the common faults with the Honda Civic 1.7 CTDi?
This guide contains six workshop bulletins for the Honda Civic 1.7 CTDi. Of these, two concern the electrical and ignition and one the engine and fuel system. Symptoms, causes, repair steps and part numbers are shown where supplied.
Does every Honda Civic 1.7 CTDi 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 Honda Civic 1.7 CTDi faults myself?
Many of them. The documented symptoms can be seen, heard or felt during a test drive.