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1999 jimny after market immobiliser removed

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01 Aug 2023 22:40 #250079 by booninup
Hi all,  i have a 19999 auto jimny  with an  aftermarket  immobiliser  that broke down  so i removed it, rejoined the  wires  colour to same colour  , i have power to the injector  but it wont fire somehow i have not matched the  correct earth wire  i think  . does anyone have an idea as to how this can be fixed  its very hard to find a wiring diagram for this specific  model  hope you can help regards  Bill

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02 Aug 2023 14:18 #250086 by fordem
What engine do you have - G13BB, M13A, or ???

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03 Aug 2023 00:37 #250093 by booninup
Replied by booninup on topic 1999 jimny after market immobiliser removed
sorry bout that it has a g 13bb non vvt engine with 120000ks

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03 Aug 2023 02:55 #250095 by fordem
An after market immobilizer will most likely not "tie-in" as closely with the ECU as the factory fitted immobilizer, so once you've spliced the wires by matching the colors I would troubleshoot the problem as if it were a "non-immobilized" vehicle.

Does the check engine light come on when you switch the ignition on? Do you know how to use it to check for codes?

www.rhinopower.org/diag/cel.html

What code do you get after you crank the engine?

How many wires did you need to splice?  What colors were they?

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10 Aug 2023 09:24 #250193 by booninup
Replied by booninup on topic 1999 jimny after market immobiliser removed
Hi all , i have just just got through rechecking the wiring all back to original colours i have power to the injectors, new fuel pump so the pressure is correct at the fuel rail ,car will run well if i introduce fuel into the intake so again i have no idea and the auto sparky also is at a loss cheers

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10 Aug 2023 12:55 #250196 by fordem
Let's try this one more time...

Does the check engine light come on when you switch the ignition on? Do you know how to use it to check for codes?

What code do you get after you crank the engine?

How many wires did you need to splice? What color were they?

Moving on - did you actually MEASURE the fuel pressure or are you assuming it's correct because it's a new pump? You should have power to the injectors as soon as the ignition is switched on, but that doesn't mean that you have injector drive signals, the ECU fires the injectors by grounding them, that's another thing you're going to need to check.

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16 Aug 2023 23:02 - 16 Aug 2023 23:10 #250329 by booninup
Replied by booninup on topic 1999 jimny after market immobiliser removed
hi all, checked fuel pressure all ok , , again went over the wiring all ok so i made a noid light and hooked it up to each individual
injector wiring and it showed that the pulse was in fact correct so i pulled each injector and  it turned out  3 of the four  injectors were stuck so i  soaked each one in injector cleaner gave them a genlte tap used a power source to activate them before installing them all good ,replaced them and hit the key and away it went .thankyou to all, for your help
Last edit: 16 Aug 2023 23:10 by booninup.

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