obd1 or obd 2
i have a 93 firebird and it has the 12 pin connecter my ? is is it obd1 or 2 the book says on obd1 theres two wires beside each other on the right you can jump for codes and two up and down far left well my connecter has 3 on the right 2 top one bottom and one on the bottom left i know its supposed to say under the hood but i dont see it anywhere
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RE: obd1 or obd 2
OBDII kicked in on the '96 models, so yours should be OBDI, unless some rediculous and pointless modding went on...
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RE: obd1 or obd 2
thats cool ....can ya tell me why my wires in my test port dont match the diagram in the book? they are in diferent slots i was tryin to jump the test slot with the ground to get the codes but all that happens is my fans turn on when i jump the ones that the book says
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RE: obd1 or obd 2
Some of the cars came with OBD2 ALDL connectors, but are still OBD1. This can cause all sorts of confusion, especially when trying to pull codes without a scanner.
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RE: obd1 or obd 2
I believe with the LT1 era F-bods, only the 93 LT1 can be jumped with a paperclip (or other tool of choice) to have the codes read.
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RE: obd1 or obd 2
yes well thats what i have is a 93 with the lt1 motor
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RE: obd1 or obd 2
The 93s are definetely OBD1, and the connector has the OBD1 pin pattern. The ALDL connector is inside the car under the dash, near the steering column.
OBD1 Connector pinout, looking at front of ALDL connector: F E D C B A G H J K L M A ground B diagnostic request C-F not used G keyless entry H-L not used M serial data ---------------------------- OBD2 Connector pinout: 1 . 2 . 3 . 4 . 5 . 6 . 7 . 8 16 15 14 13 12 11 10 9 1 not used 2 serial data 3 not used 4 ground 5 ground 6-15 not used 16 battery voltage |
RE: obd1 or obd 2
I have a 1995 Camaro 3.4L and I've been wondering if it is OBDI or OBDII. So the easiest way to tell is the number of pins? Or is there another way to find out.
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RE: obd1 or obd 2
Your '95 is probably like mine, it's OBDI, but has the OBD2 connector. I tried to get the codes read once, but it didn't work...
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