2004 sebring 2.7 code "p0688" help please
Finally got this code doing ON and OF 3 times on the key ignition.
Changed the battery, crankshaft position sensor and spark plugs. Still crank and no start. Any help will be appreciated. |
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Thank You!
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RESOLVED, yes finally got fixed. It took me 15 minutes cleaning the ASD relays. I have no idea how all that dirty got inside. all 3 relays needed to be cleaned . I didn't have to spend money buying a new one
I really appreciated from everyone special dcotter0579. |
Hi, Please can you tell me what the ASD relays look like an dhow to locate it?
I would like to clean mine but dont know what it looks like and how to clean it. Can you add a photo? Thank you I have a 2006 Sebring Touring 6 cylinder |
Hi, Please can you tell me what the ASD relays look like an dhow to locate it?
I would like to clean mine but dont know what it looks like and how to clean it. Can you add a photo? Thank you I have a 2006 Sebring Touring 6 cylinder |
The following text is from the factory service manual: (The PDC is the fusebox under the hood)
AUTO SHUT DOWN RELAY DESCRIPTION The relay is located in the Power Distribution Center (PDC). For the location of the relay within the PDC, refer to the PDC cover for location. Check electrical terminals for corrosion and repair as necessary OPERATION The ASD sense circuit informs the PCM when the ASD relay energizes. A 12 volt signal at this input indicates to the PCM that the ASD has been activated. This input is used only to sense that the ASD relay is energized. When energized, the ASD relay supplies battery voltage to the fuel injectors, ignition coils and the heating element in each oxygen sensor. When energized, the ASD relay provides power to operate the injectors, ignition coil, generator field, O2 sensor heaters (both upstream and downstream), (EGR solenoid and PCV heater if equipped) and also provides a sense circuit to the PCM for diagnostic purposes. If the PCM does not receive 12 volts from this input after grounding the ASD relay, it sets a Diagnostic Trouble Code (DTC). The PCM energizes the ASD any time there is a Crankshaft Position sensor signal that exceeds a predetermined value. The ASD relay can also be energized after the engine has been turned off to perform an O2 sensor heater test, if vehicle is equipped with OBD II diagnostics. As mentioned earlier, the PCM energizes the ASD relay during an O2 sensor heater test. This test is performed only after the engine has been shut off. The PCM still operates internally to perform several checks, including monitoring the O2 sensor heaters. |
Thank you
That was a great write up,
Thank you |
It looks like this:
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Check this one too:
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