My 3.5se has a p0507 code, anyone know the idle relearn procedure?

cobra0827 · Apr 8th, 2005, 10:57 AM

Does anyone know the Idle relearn procedure for my 2002 Altima 3.5se?
Idle is at about 950rpm and them kicked a p0507 code for high idle.

please help

lshadoff · Apr 8th, 2005, 11:33 AM

From the FSM:

IDLE SPEED CHECK
1. Run engine at about 2,000 rpm for about 2 minutes under no-load.
2. Rev engine (2,000 to 3,000 rpm) two or three times under no-load, then run engine at idle speed for about
1 minute.
3. Check idle speed.
OK or NG
OK >> GO TO 10.
NG >> GO TO 4.

4. PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING
1. Stop engine.
2. Perform EC-668, "Accelerator Pedal Released Position Learning" .
>> GO TO 5.

5. PERFORM THROTTLE VALVE CLOSED POSITION LEARNING
Perform EC-669, "Throttle Valve Closed Position Learning" .
>> GO TO 6.

6. PERFORM IDLE AIR VOLUME LEARNING
Perform EC-669, "Idle Air Volume Learning" .
Which is the result CMPLT or INCMP?
CMPLT or INCMP
CMPLT>> GO TO 7.
INCMP >> 1. Follow the construction of “Idle Air Volume Learning”.

__________________________________________________ ______
Accelerator Pedal Released Position Learning UBS0035C
DESCRIPTION
“Accelerator Pedal Released Position Learning” is an operation to learn the fully released position of the accelerator
pedal by monitoring the accelerator pedal position sensor output signal. It must be performed each time
harness connector of accelerator pedal position sensor or ECM is disconnected.
OPERATION PROCEDURE
1. Make sure that accelerator pedal is fully released.
2. Turn ignition switch “ON” and wait at least 2 seconds.
3. Turn ignition switch “OFF” wait at least 10 seconds.
4. Turn ignition switch “ON” and wait at least 2 seconds.
5. Turn ignition switch “OFF” wait at least 10 seconds.

Throttle Valve Closed Position Learning UBS0035D
DESCRIPTION
“Throttle Valve Closed Position Learning” is an operation to learn the fully closed position of the throttle valve
by monitoring the throttle position sensor output signal. It must be performed each time harness connector of
electric throttle control actuator or ECM is disconnected.
OPERATION PROCEDURE
1. Make sure that accelerator pedal is fully released.
2. Turn ignition switch “ON”.
3. Turn ignition switch “OFF” wait at least 10 seconds.
Make sure that throttle valve moves during above 10 seconds by confirming the operating sound.

Idle Air Volume Learning UBS0035E
DESCRIPTION
“Idle Air Volume Learning” is an operation to learn the idle air volume that keeps each engine within the specific
range. It must be performed under any of the following conditions:
Each time electric throttle control actuator or ECM is replaced.
Idle speed or ignition timing is out of specification.
PREPARATION
Before performing “Idle Air Volume Learning”, make sure that all of the following conditions are satisfied.
Learning will be cancelled if any of the following conditions are missed for even a moment.
Battery voltage: More than 12.9V (At idle)
Engine coolant temperature: 70 - 100°C (158 - 212°F)
PNP switch: ON
Electric load switch: OFF
(Air conditioner, headlamp, rear window defogger)
On vehicles equipped with daytime light systems, set lighting switch to the 1st position to light
only small lamps.
Steering wheel: Neutral (Straight-ahead position)
Vehicle speed: Stopped
Transmission: Warmed-up
For A/T models with CONSULT-II, drive vehicle until “FLUID TEMP SE” in “DATA MONITOR” mode of “A/
T” system indicates less than 0.9V.
For A/T models without CONSULT-II and M/T models, drive vehicle for 10 minutes.
OPERATION PROCEDURE
EC-670
Without CONSULT-II
NOTE:
It is better to count the time accurately with a clock.
It is impossible to switch the diagnostic mode when an accelerator pedal position sensor circuit
has a malfunction.
1. Perform EC-668, "Accelerator Pedal Released Position Learning" .
2. Perform EC-669, "Throttle Valve Closed Position Learning" .
3. Start engine and warm it up to normal operating temperature.
4. Check that all items listed under the topic “PRE-CONDITIONING” (previously mentioned) are in good
order.
5. Turn ignition switch “OFF” and wait at least 10 seconds.
6. Confirm that accelerator pedal is fully released, turn ignition switch “ON” and wait 3 seconds.
7. Repeat the following procedure quickly five times within 5 seconds.
a. Fully depress the accelerator pedal.
b. Fully release the accelerator pedal.
8. Wait 7 seconds, fully depress the accelerator pedal and keep it for approx. 20 seconds until the MIL stops
blinking and turned ON.
9. Fully release the accelerator pedal within 3 seconds after the MIL goes off.
10. Start engine and let it idle.
11. Wait 20 seconds.

12. Rev up the engine two or three times and make sure that idle speed and ignition timing are within the
specifications.
13. If idle speed and ignition timing are not within the specification, the result will be incomplete. In this case,
find the cause of the problem by referring to the “DIAGNOSTIC PROCEDURE” below.
DIAGNOSTIC PROCEDURE
If idle air volume learning cannot be performed successfully, proceed as follows:
1. Check that throttle valve is fully closed.
2. Check PCV valve operation.
3. Check that downstream of throttle valve is free from air leakage.
4. When the above three items check out OK, engine component parts and their installation condition
are questionable. Check and eliminate the cause of the problem.
It is useful to perform EC-752, "TROUBLE DIAGNOSIS - SPECIFICATION VALUE" .
5. If any of the following conditions occur after the engine has started, eliminate the cause of the problem and perform “Idle air volume learning” all over again:
– Engine stalls.
– Erroneous idle.
ITEM SPECIFICATION
Idle speed M/T: 700±50 rpm
A/T: 700±50 rpm (in “P” or “N” position)
Ignition timing M/T: 15±5° BTDC
A/T: 15±5° BTDC (in “P” or “N” position)
SEC897C

cobra0827 · Apr 8th, 2005, 12:57 PM

Is this something I can do myself or does a dealer need to do it?
any equiptment needed

lshadoff · Apr 8th, 2005, 01:21 PM

Quote:

Originally Posted by cobra0827

Is this something I can do myself or does a dealer need to do it?
any equiptment needed

The way I read it, all you need is a watch with a second hand.

Lew

bullet_73 · Jul 17th, 2006, 04:08 PM

I am having same problem after cleaning throttle by spray & cloth. I am sure you guys can help me.

To perform UBS 0035C-D how I can disconnect ECM or both harnesses. Also Do I have to reconnect harness after performing UBS0035C to go to the UBS0035D.
Please help me with this issue.

2002 2.5 SL / Auto

Thakns
MP

rps180 · Jul 19th, 2006, 01:42 AM

If you want the problem to go away right away then you will need to take the vehicle to a dealer and have them perform the Idle Air Volume Relearn using a CONSULT II.
Otherwise, the vehicle will do it on its own, it will just take awhile. Just have someone clear the code and let the ECM do its thing. If the code keeps coming back, then you may have to have someone check and be sure there isn't something else wrong.

bobbo27 · Nov 24th, 2008, 03:43 PM

guys,

have an 03' ALtima SE, 3.5L, have tried the manual procedures which work perfectly and idles about 700-750 RPMs, but as soon as i shut the engine off (at proper operating temp) and restart,the idle is back up to about 1000 RPM and the P0507 code sets...why won't the relearn stick??
ideas??

Stumbler · Mar 11th, 2009, 05:15 PM

Hey all. I've been searching this topic, I have the '03 3.5 se, same problem. Found you guys, and done the relearn procedure, which works. Like Bobbo, mine reverts to high idle the next time I start it. RPS180, you say the ECM will relearn on its own, any idea how long? I've done the relearn, all 3 steps about 10 times. It works every time, but reverts every time when you shut it off. Last time I clean the throttle body!

Stumbler · Apr 28th, 2009, 08:54 AM

Ok, I'm about to take it to the dealership and get bent over the counter. Anyone know why the relearn won't stick? I get the idle down to where it should be evey time I do the procedures, and it runs how it should for as long as I keep it running. Shut it off and restart and the high idle comes back. Help?

Outkast · Apr 28th, 2009, 11:41 AM

Quote:

Originally Posted by cobra0827

Is this something I can do myself or does a dealer need to do it?
any equiptment needed

A dealer does cause the idle learn is done with Consult that's why it ask if it showed complete or incomplete.

headlight_clip · Apr 29th, 2009, 01:37 PM

I recently took my 2.5 2002 Altima in for an oil change and they sold me on doing an intake cleaning, using one of those cans. They showed it to me and it did look dirty. I drove home, 2 blocks away, and didn't notice any problems. An hour or so later I used the car again and the check engine light came on, and I noticed the RPM needle move quickly. I bought it back and it was a P0507 code, the service tech said something probably just had to be adjusted.

The service tech did turn off the check engine light - is that the same as clearing the code? The engine may be re-learning, it seems a lot better than when I first noticed this happening. Also I notice if the engine has been running longer, it happens less.

I think my Altima could also use a general overall tune-up, something I haven't done since I bought it new (57k miles on it) - does anyone recommend a place to have this done in the NYC area?

Stumbler · Apr 30th, 2009, 05:09 PM

Hey OUTKAST, since I got the manual relearn to work as long as the car stays running, but it reverts the next time it starts, that means the computer relearn was incomplete. Some cars are fine with the manual relearn and some aren't. What could cause that? I know pcv valve or intake leaks can cause the problem but my problem was initiated by a throttle body clean, it ran perfect prior to that. I'd like to know as much as I can before getting the dealer to hook up the consult II and telling me I need some $800 job done.
Thanks man.

Outkast · Apr 30th, 2009, 09:48 PM

Quote:

Originally Posted by headlight_clip

I recently took my 2.5 2002 Altima in for an oil change and they sold me on doing an intake cleaning, using one of those cans. They showed it to me and it did look dirty. I drove home, 2 blocks away, and didn't notice any problems. An hour or so later I used the car again and the check engine light came on, and I noticed the RPM needle move quickly. I bought it back and it was a P0507 code, the service tech said something probably just had to be adjusted.

The service tech did turn off the check engine light - is that the same as clearing the code? The engine may be re-learning, it seems a lot better than when I first noticed this happening. Also I notice if the engine has been running longer, it happens less.

I think my Altima could also use a general overall tune-up, something I haven't done since I bought it new (57k miles on it) - does anyone recommend a place to have this done in the NYC area?

I quit doing TB cleaning especially on the 2.5's cause it always screws up the IAC and then you have to replace the entire TB. But yes, if it doesn't kill the TB, you're suppose to relearn the idle cause the gap at the throttle plate has changed and the computer can adjust it out just not in.

Quote:

Originally Posted by Stumbler

Hey OUTKAST, since I got the manual relearn to work as long as the car stays running, but it reverts the next time it starts, that means the computer relearn was incomplete. Some cars are fine with the manual relearn and some aren't. What could cause that? I know pcv valve or intake leaks can cause the problem but my problem was initiated by a throttle body clean, it ran perfect prior to that. I'd like to know as much as I can before getting the dealer to hook up the consult II and telling me I need some $800 job done.
Thanks man.

I didn't even know the manual procedure existed. I've always just hooked up Consult and did the idle relearn. It usually takes about 30 minutes depending on what mood the computer is in. It just doesn't want to do it sometimes. Tech line even told me, after I did a computer reprogram, to pull the MAF sensor, let a code set, turn it off, turn it back on, clearn the code, and attempt the relearn. I just keep trying that procedure until it takes.

CaliXterra · May 10th, 2009, 09:19 PM

Thanks for all the info.
I have an 05 Xterra that had an p0507 error as well.
After 10 attemts this is how i finaly fixed the issue.
remove the TB and Clean it. WD40 on the Butterfly.
install the cleaned TB and hook up plumbing. then disconnect the airbox from the Air filter!!!!!!!!!
the do the Idle Air Volume Learning UBS0035E

after that my error went away and idle was from 675 to 700 consistantly.

thanks everone for this great advice.