The MR2, one of Toyota's successful sports car is so popular that quite a number of Japanese spec MR2 has been imported into various countries such as Australia, UK and Ireland which is commonly referred to as parallel imports.
Some were fully supported and serviced by its importers or dealers whilst others are often ignored by local dealers or garages due to lack of information at the time of writing this back in 1999. For this reason, quite a lot of people have requested for the OBD codes...
Therefore charts of OBD fault codes for Japanese spec MR2s, for both AW11 and SW20 models, engines including 4A-GELU, 4A-GZE, 3S-GE and 3S-GTE are listed.
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General |
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TOYOTA OBD |
A simple introduction to pre OBD II (On Board Diagnostic) system and guide towards obtaining the diagnostic code and cancellation without the use of specialist tools. If you are new to the OBD, it is best to start from here. |
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AW11 |
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MR2 NA, JUN/1984 on |
OBD codes for AW11 type MR2 with natural aspirated 4A-GELU engine. Model year, June 1984 onwards.
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MR2 SC, AUG/1986 on |
OBD codes for AW11 type MR2 with super-charged 4A-GZE engine. Model year, August 1986 onwards.
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SW20 NA |
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MR2 NA, OCT/1989 on |
OBD codes for SW20 type MR2 with natural aspirated 3S-GE engine. Model year, October 1989 onwards. |
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MR2 NA, DEC/1991 on
Standard Mode / Enhanced Mode |
OBD codes for SW20 type MR2 with natural aspirated 3S-GE engine. Model year, December 1991 onwards. Choice of testing in Standard Mode or Enhanced Mode.
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MR2 NA, OCT/1993 on
Standard Mode / Enhanced Mode |
OBD codes for SW20 type MR2 with natural aspirated 3S-GE engine. Model year, October 1993 onwards. Choice of testing in Standard Mode or Enhanced Mode.
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SW20 Turbo |
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MR2 TURBO, OCT/1989 on |
OBD codes for SW20 type MR2 with turbo charged 3S-GTE engine. Model year, October 1989 onwards.
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MR2 TURBO, DEC/1991 on
Standard Mode / Enhanced Mode |
OBD codes for SW20 type MR2 with turbo charged 3S-GTE engine. Model year, December 1991 onwards. Choice of testing in Standard Mode or Enhanced Mode.
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MR2 TURBO, OCT/1993 on
Standard Mode / Enhanced Mode |
OBD codes for SW20 type MR2 with turbo charged 3S-GTE engine. Model year, October 1993 onwards. Choice of testing in Standard Mode or Enhanced Mode.
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