Inspection for Diesel-Driven / Diesel Hybrid Vehicles

Stage 1

Above Carriage Check: An inspector carries out visual checks on

- Vehicle identity (number plate, engine and chassis numbers, motor number (if applicable))
- Lighting equipment (headlamps, stop lamps, front and rear lamps, direction indicators, etc)
- Bodywork
- Vehicle modification/accessories
- Road wheel and tyres
- General items (seat belts, horn, windscreen, safety devices,speed limiter, etc)

Chassis Dynamometer Smoke Test: Checks Exhaust Emission Level for Diesel-driven Vehicles when applicable.

- The chassis dynamometer simulates the load and inertia of the vehicle when driven on the road
- Vehicle wheel power is measured
- Smoke sample is collected from the exhaust pipe

 

Stage 2

Alignment Test: Checks front wheel alignment.
The lateral movement of the front wheels is measured as the vehicle is driven over the side-slip tester.

Brake Test: Determines efficiency of brakes.
The brake tester is used to measure brake performance, efficiency and drag force.

Test results are automatically registered. Test instructions and results are displayed on the overhead indicator board.

Stage 3

Headlight Test: Determines proper alignment and focus of headlamps.
The headlight aimer is used to measure the luminous intensity and the horizontal and vertical aim of each headlamp at high beam.

Sound Level Test The engine is revved and noise emission is measured.

Test results are automatically registered. Test instructions and results are displayed on the overhead indicator board.

Stage 4

Under Carriage Check: Checks the condition of car parts and components.
Vehicle is driven over an inspection pit for visual checks on:

- Chassis
- Exhaust system
- Suspension system
- Steering system
- Brake system
- Leakage

Test instructions and results are displayed on the overhead indicator board.

Results

Your vehicle has undergone all inspection stages. In line with Singapore Green Plan 2030, test certificate will only be issued upon request. You may check your inspection results online at (www.onemotoring.lta.gov.sg). Should your vehicle fail an inspection, you will be required to rectify the issues before bringing your vehicle back for re-inspection.