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C30 / S40 & V50 '04-'12 / C70 '06-'13 General Forum for the P1-platform C30 / S40 / V50 / C70 models |
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Volvo S40 Accelerator Pedal Position Sensor problemViews : 7643 Replies : 11Users Viewing This Thread : |
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May 29th, 2019, 08:12 | #1 |
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Volvo S40 Accelerator Pedal Position Sensor problem
Hello everybody.
I have some issues with my newly bought 2006 Volvo S40 2.4 (B5244S5) 230 K miles driven. Once in a while, a Engine service Urgent warning comes up, with the code reader saying something like Accelerator Pedal Position sensor fault. I forgot to write down the code, but do you know of any common issues here? Seems i am not the only one having some trouble with this kind of thing. I'll add in the codes ASAP, do not know have the code reader near me right now. It runs fine even when the warning light is on, cruise control works too. Any ideas on how to test it, i figured it could be some fault in the comparation between the pedal sensor and throttle blade position sensor. Last edited by Surfingbird; May 29th, 2019 at 08:21. |
May 29th, 2019, 10:28 | #2 | |
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May 29th, 2019, 10:58 | #3 | |
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I will try looking at it, thanks a lot. |
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May 29th, 2019, 11:35 | #4 |
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The signal line from pedal to CEM is a white wire and is an analogue 0 to 5 v signal depending on the position of the pedal , there is a duplicate digital signal which goes through the network system to the Engine ECU for safety , they must both match otherwise it sets a fault code .
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May 29th, 2019, 11:44 | #5 | |
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Thanks a lot for helping. Do you have any locations for diagrams that can be of use? |
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Jun 1st, 2019, 21:29 | #6 |
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Would one expect to see 0% at the accelerator pedal at ignition on, engine off? I see 8% and around 60% opening at pedal to the floor, ignition on, engine off.
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Jun 1st, 2019, 21:32 | #7 |
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yes , it is not 0 - 100% :-)
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Jun 1st, 2019, 22:14 | #8 |
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Jun 18th, 2019, 07:59 | #9 |
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Fixed
So far it seems like it is fixed. No faults for the last week or so
I degreased and cleaned all connectors in the CEM module, and covered all connectors in oxidizing protection. |
Jun 18th, 2019, 09:39 | #10 |
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you should have replaced the connector terminals at the CEM and pedal , the problem will come back ....
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