Can a GM PCM be used for a low resolution crankshaft signal?
General Motors never released a coil-per-cylinder ignition system that used a low-resolution crankshaft signal, meaning that the PCM cannot be recalibrated for coil-per-cylinder ignition with a low-resolution crankshaft signal.
What does no start no crank no click mean?
If you have a late model GM vehicle and turn the key only to hear nothing, you’ll most likely think you have a dead battery—and you may. But a no start, no crank, no click condition can be far more involved than that. In the old days, power flowed through the ignition switch and down to the starter solenoid. Not anymore.
What are the crankshaft and camshaft signals on a Gen I Chevy?
The 24x crankshaft signal components and 1x camshaft signal components make the Gen I small-block Chevy engine ready for Gen III PCM control. EFI Connection eliminated the problematic Optispark distributor used with all Gen II LT1 and LT4 engines by using the same 24x small-block reluctor and a 1996ñ1997 LT1 timing cover.
Is the crank sensor good on a GM 4?
TIP 3: If your GM vehicle starts and runs then you can conclude that the crank sensor is good, and this article will not help you. TIP 4: Since this is an on-car test of the crank sensor, DO NOT remove the crank sensor to test it. In the photo you’ll notice it’s out but this is just to make it easier to explain the test to you.
Can a failed crank sensor cause no start?
The thing to remember about having a failed crank sensor, is that if you have spark or fuel injector pulses, the crank sensor is OK and not the cause of your No Start Condition. The crankshaft position sensor, on your 4.8L, 5.3L, 6.0L GM vehicle, is a Hall-Effect three wire crankshaft position sensor.
If you have a late model GM vehicle and turn the key only to hear nothing, you’ll most likely think you have a dead battery—and you may. But a no start, no crank, no click condition can be far more involved than that. In the old days, power flowed through the ignition switch and down to the starter solenoid. Not anymore.
Where can I buy a crank sensor test?
Where To Buy The Crank Sensor And Save. How The Crank Sensor Works. CKP TEST 1: Verifying The Crank Signal. CKP TEST 2: Verifying Power (12 Volts). CKP TEST 3: Verifying Ground. Related Test Articles. Multimeter. TIP 1: To perform the test, you’ll need to manually turn the engine.