(06-08-2021, 09:40 AM)motaratak Wrote: I will check the fuses again and I will ensure that the relay is getting appropriate signals.the dead relay coil, only has the following causes (electronics basics)
bad relay.(coil dead, contacts burned)
bad wires connectors.
bad fuse and no power to coil hot side
transistor blown. (some are just diode here that blows up or blows traces to it to hell , copper now smoke.)
the transistor is very simple and small, and wired directly to the dead relay coil pin.
the processor turns on this transistor,as a first step. (with FP relays is way more complex ECU firmware, it must see spark or FP is kept off line, no spark , detected sets fuel to disabled)
btw the pink wire means fuel in suzuki 's !!! not main.
on other cars like used in Europe, that same pin is the output of the alarm system , secure start up. using wrong key , keeps the relay dead.
I say that only due to rare possibility of having one of those non USA PCM.
good luck to you !!!!!!!
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