displaying posts 1 to 7 of 7

Author Subject: 2V on crank sensor, why??
Bakov

Newbie

Location: Sofia

Registered: 04 Aug 2018

Posts: 11

Status: Offline

Post #1
I have starting issue, on the sensor`s connector between pin 1 and 2/ 1 and 3 i have only 2V , autodata say 5V
Posted 21st Dec 2019 at 12:39
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,692

Status: Offline

Post #2
the 5v comes from the ecu, so you need to trace back through the loom and find where the problem is, the 5v out is shared with a few other sensors so its worth checking those as well, there are some splices in the loom where one larger wire splits to various components, its likely one of these is at fault.

________________________________________

need a part number? get on here - http://public.servicebox.peugeot.com

Bring on the Trumpets.

Posted 22nd Dec 2019 at 11:14
Bakov

Newbie

Location: Sofia

Registered: 04 Aug 2018

Posts: 11

Status: Offline

Post #3
The 5V comes directly from the ECU in my case 2V, crank sensor is number 57, 3th pin is earth/ screened/, there is no splices in the loom
Posted 23rd Dec 2019 at 17:25
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,692

Status: Offline

Post #4
ah yes, forgot the crank sensor is separate.

are the 12v supplies from the double relay all good?

________________________________________

need a part number? get on here - http://public.servicebox.peugeot.com

Bring on the Trumpets.

Posted 24th Dec 2019 at 13:35
Bakov

Newbie

Location: Sofia

Registered: 04 Aug 2018

Posts: 11

Status: Offline

Post #5
Yes, i have permanent 12V on pins 11,2,8,15,ignition ON - 12V on 14th. If i reconnect the double relay the first start is excellent. On the next i have issue, the relay is blocked from ECU and the engine starts hard, but always 2V on the sensor
Posted 24th Dec 2019 at 22:34
Bakov

Newbie

Location: Sofia

Registered: 04 Aug 2018

Posts: 11

Status: Offline

Post #6
Please tell me how to test camshaft sensor with multimeter, which terminals and what resistance should i have
Posted 26th Dec 2019 at 16:06
cully

Seasoned Pro

Location: Cullompton

Registered: 12 Jun 2013

Posts: 1,091

Status: Offline

Post #7
Camshaft sensor
pin 1 to 3 should see 5v ign on
pin 2 to 3 should see 3.5-4.5V fluctuating with engine running at idle
Posted 26th Dec 2019 at 23:47

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