On–Board Tests    


Vehicle On-Board EVAP Self-Test Methods

Automaker

Natural Vacuum

Engine Vacuum

Pump

Acura

 

X

 

Audi

 

 

X

BMW

 

 

X

Chrysler

X
(NGC-Next Generation Controller)

 

X
    (JTEC-Jeep/Truck Engine Controller)

Ford

 

X

 

General Motors

X
(Later models use engine-off natural vacuum--EONV--for small leak detection.)

X
 (1996-2002)
(Later models use engine vacuum for large leak detection.)

 

Hyundai

X 
(Accent 1996-1999, Elantra 1996-2005, Santa Fe 2001-2005, Sonata 1998-2006, Tiburon 1996-2005, Tucson 2005, XG 300 2001, XG 350 2002-2004)

X
(Diagnostic Module-Tank Leakage or DM-TL:  Accent 2000-2005)

Infiniti

 

X

 

Isuzu

X

X

 

Jaguar

 

X

X
(Diagnostic Module-Tank Leakage or DMTL pump on S-Type and XJ 2006 models)

Kia

 

X
 (Optima 2.4L, Optima 2.5L, Rio 1.5L, Sportage 2.0L Sedona 3.5L and most Kia ECM-controlled EVAP systems)

X
  (Spectra 1.8L vehicles and the latest Kia ECM-controlled EVAP systems use leak detection pumps, Diagnostic Module for Tank Leakage--DM-TL.)

Land Rover

 

X
(Generic Engine Mgt Systems--GEMS--on Discovery Series I 1996-1999, Range Rover 1995-mid 1999, Defender 1997 and Range Rover Classic 1995; Bosch M5.2.1 on Range Rover mid 1999-2002, Discovery Series II 1999-2004 and Range Rover Classic 1995)

X
(Siemens MS43 on Freelander 2002-2005; ME7.2 on New Range Rover 1995-2005; New Range Rover 2006 and Range Rover Sport 2006 -- Diagnostic Module Tank Leakage--DMTL)

Lexus

 

X

 

Mazda

 

X

X

Mercedes-Benz

 

X

 

Mitsubishi

 

X
(Mitsubishi)

X
(Chrysler LDP)

Saab

 

X

 

Subaru

 

X

 

Suzuki

 

X
(When the engine is running)

X
 (When the engine is not running)

Volkswagen

 

 

X

Volvo

 

X
(DENSO and ME7)

X
(ME7.01 and EMS 2000)



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