DMM is cheap and a must for any diy owner.
So is OBD consult cable and the software can be free, obd scan tech nissan is now released free and project that datascan software forked out from .
consult1 cable can be had here for under 20USD, multimeter with temp probe about same but can get half that price and they just good enough for basic car work. Sensor simulating with some resistors alway good too, sending known values from nissan FSM allows you judge gauge accuracy, ecu calculates data values in tolerence, circuit switching cold/hot idle control test, airbags test, knock bypass sensor test, speed sensor output basic test using LED, etc etc .
I always aim diagnose/test first rather than just throw new parts at it. Got be careful with cheap new thermo sensors too and need check them with dmm as many fall out of oem value ranges, with aftermarket and reman parts, just because its new doesn't mean it any good . Most of the sensors on the old R are pretty easy do test plus with standard ecu the logic is pretty basic so easier trace/conclude faults accurately.
So is OBD consult cable and the software can be free, obd scan tech nissan is now released free and project that datascan software forked out from .
consult1 cable can be had here for under 20USD, multimeter with temp probe about same but can get half that price and they just good enough for basic car work. Sensor simulating with some resistors alway good too, sending known values from nissan FSM allows you judge gauge accuracy, ecu calculates data values in tolerence, circuit switching cold/hot idle control test, airbags test, knock bypass sensor test, speed sensor output basic test using LED, etc etc .
I always aim diagnose/test first rather than just throw new parts at it. Got be careful with cheap new thermo sensors too and need check them with dmm as many fall out of oem value ranges, with aftermarket and reman parts, just because its new doesn't mean it any good . Most of the sensors on the old R are pretty easy do test plus with standard ecu the logic is pretty basic so easier trace/conclude faults accurately.