About UstadFix
UstadFix is a free, independent car information site. Each car guide brings together the information owners and mechanics usually have to dig out of forum posts, parts catalogues and factory manuals that are often only in Japanese.
What each car guide contains
- A parts map of the engine bay, the underside and the cabin, with genuine part numbers where known.
- Warning lights for that car, with what each one means and what to do.
- Fault codes (DTCs) from factory service material where available, or generic OBD-II meanings, clearly marked. Where the maker has not published a code list (Mehran EFI, Cultus EFI) we do not guess codes; the guide explains which scanner to use instead.
- Common problems reported by owners, with likely causes and fixes.
- Maintenance intervals, fluids and capacities, and the fuse and relay layout.
Car guides available
Toyota · 2004–2010Toyota Passo (1st gen)Daihatsu Boon M300 · KGC10 / KGC15 / QNC10Fault codes, parts map with Toyota part numbers, common problems, service and fuses.PassoFix →
Toyota · 1999–2005Toyota Vitz (1st gen)SCP10 · 1SZ-FE 1.0Fault codes, warning lights, common problems, fluids and fuses.VitzFix →
Toyota · 2002–2008Toyota Corolla (9th gen, E120)E120 · 2NZ-FE 1.3 / 3ZZ-FE 1.6 / 1ZZ-FE 1.8 · JDM 1NZ-FE 1.5Pakistan and Japan versions: fault codes, warning lights, wiring diagrams, problems, specs and fuses.CorollaFix →
Toyota · 2014+Toyota Corolla (11th gen, E170)E170 · 1.3 2NZ-FE / 1.6 1ZR-FE / 1.8 2ZR-FEPakistan Corolla XLi, GLi, Altis and Grande: warning lights, common problems, service, fluids, parts map and OBD codes.CorollaFix →
Toyota · 2008–2014Toyota Corolla (10th gen, E140)E140 · 1.3 2NZ-FE / 1.6 1ZR-FE / 1.8 1ZZ-FE / 2.0D 2CPakistan Corolla XLi, GLi, Altis and 2.0D: warning lights, common problems, engine specs, parts map and OBD codes.CorollaFix →
Honda · 2009–2021Honda City (5th gen, GM2)GM2 / GM3 · 1.3 i-VTEC / 1.5 i-VTEC (Aspire)Pakistan City 1.3 and 1.5 Aspire: warning lights, common problems, service, fluids, parts map and OBD codes.CityFix →
Honda · 2016–2021Honda Civic (10th gen, FC)FC · 1.8 i-VTEC R18Z1 / 1.5 VTEC Turbo L15B7 · CVTPakistan Civic X 1.8 and 1.5 Turbo: steering rack, A/C and other common problems, warning lights, fluids, fuses and OBD codes.CivicFix →
Suzuki · 2012–2019Suzuki Mehran (EFI, Euro II)SB308 · F8B 796 cc EFI · 4-speed manualMehran VX and VXR EFI: missing and jerking, check-engine light help, service, fluids, fuses and parts map.MehranFix →
Suzuki · 2007–2016Suzuki Cultus (2nd gen, EFI)G10B 993 cc EFI · 5-speed manualCultus VXR and VXL EFI: idle drop, overheating, check-engine light help, specs and parts map.CultusFix →
Suzuki · 2014–presentSuzuki Wagon R (Pakistan, K10B)K10B 998 cc · 5-speed manual or AGSWagon R VXR, VXL and AGS: reverse gear, vibration, A/C, fault codes, service, fuses and parts map.WagonRFix →How the information is checked
Each fact comes from a listed source (factory manuals, parts catalogues, recall notices, owner forums, and UstadFix owner notes from Pakistani owners and mechanics), and every item shows a confidence level. Each guide has its own sources page. Pictures of cars and parts are illustrations, not photos of a specific vehicle.
Independence
UstadFix is not affiliated with, sponsored by or endorsed by any vehicle manufacturer, dealer or distributor. See the disclaimer. Some pages show ads from the Adsterra ad network to cover hosting costs; see the privacy policy.
Community
Ask other owners in our free WhatsApp group or in each guide's forum (posts appear straight away; an automatic filter blocks links, phone numbers and email addresses).
Found a mistake? Please tell us through the contact page.

