Technical '06 Panda crank sensor issue.....

[RDM1]

Just built a led lamp tester with a small one about 5w i think you don't feel any pulsing while cranking

 

[RDM1]

Will send you a video when the weather clears a bit

 

[koalar]

Don't put nothing other than the test light or meter

No need for a video


Are all the injectors the same, go off after 3 seconds

 

[RDM1]

The go out after 3 seconds is random it doesn't always occur and happened on the coil packs aswell

 

[RDM1]

Is it possible that the ignition is faulty? Because i noticed it happening when i sometimes let the key a tiny little bit loose while cranking

 

[RDM1]

But now there is raw fuel being injected but no coils activating because i checked for a spark still nothing and if i activate the injectors through the scan tool there's nothing so I'm not understanding how the system is supposed to function of the is power but not properly activating

 

[koalar]

The go out after 3 seconds is random it doesn't always occur and happened on the coil packs aswell

Right

Are the brake lights going off as well

If you switch to the power side of the injector does the lamp stay lite

 

[RDM1]

Will check it as soon as it stops raining

 

[RDM1]

May i ask what do you mean with brake light going off?

 

[RDM1]

And no, on the positive while cranking the lamp goes out

 

[koalar]

Relay side of the injector test light on ground

On ignition on, there should be power for 2 or three seconds and the go off

Then if you crank it should come back on permanently

If you wait the pump to finish priming, before cranking, does the light comes on at all

 

[RDM1]

No it's all natural even on the coil packs 3 or 2 seconds of priming lamp is on then goes out. Then after i start cranking it keeps lighting

 

[koalar]

Right the ECU isn't activating the start sequence all

 

[RDM1]

This is the behavior on all 4 injectors and both coil packs on the signal wires one of the lights on the negative and the other on the positive as you can see in the video

 

[RDM1]

Now the ECU faults i have are:

P1687 motorised throttle (Stop learn) intermittent
P1300 Phonic Wheel Learn present

BCM:

9022 serial line W, incorrect code

Everything else is clean

 

[RDM1]

In the morning the rpm sensor was there but didn't show up again after clearing it and the other can fault on the BCM did not show up again aswell dunno what was it's meaning

 

[koalar]

This is the behavior on all 4 injectors and both coil packs on the signal wires one of the lights on the negative and the other on the positive as you can see in the video

I am confused

There's voltage there during cranking

There's voltage there during pump priming

All good as far as I can see

 

[RDM1]

I'm as confused as you are as to why there is constant voltage and no startup or pulsing

 

[RDM1]

I was thinking is it possible because I'm probing directly on the back of the injectors and coils? Should i do it on the looms?

 

[koalar]

Let's have a recap

Ground okay at ECU
Ground okay at engine block
Camshaft sensor being read
Crankshaft sensor being read
Timing is correct
Key being read
Brake switch working
Power to the injector
Power to the coils
Power to the pump
Gearbox in neutral
compression is okay
locksmith checked the key information
5V reference is okay


no spark from any coil, while cranking
no spark from any coil, via scan tools
no click from any injector, while cranking
no click from any injector, via scan tools

Wasn't working at all
Then worked for a bit
Then isn't working at all