1997 Nissan Altima I/M readiness

ALEX_BUENA

MEMBER
1997 NISSAN ALTIMA
2.4L
4 CYL
FWD
AUTOMATIC
175,000 MILES

Took off battery to work on intake manifold about a week ago because of it being clogged. Drove it regularly for about a week now wanted to take it to get smogged but the I/M readiness for catalyst, oxygen, and egr monitors are INC. I followed the drive cycle but still doesn't turn on, how can I get them to turn on?

6 Replies

HMAC300

MECHANIC
48,601 POSTS

If the ecm memory is interrupted for several hours or if self diagnostics was erased for any reason sets this. There is a tsb on this but do the drive pattern again and see if clears and check items in pic. If it still doesn't clear then have a dealer look at it.

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Sunday, May 10th, 2015 AT 11:26 AM

ALEX_BUENA

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28 POSTS

Ok well there is no codes, the fuel trims are in the + and - 5 range and haven't messed with the ecm by clearing codes or taking off battery( except a week ago). I will do the drive cycle again. What will the dealership do? And will it be expensive if I go to dealership?

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Sunday, May 10th, 2015 AT 11:57 AM

HMAC300

MECHANIC
48,601 POSTS

When you disconnect the battery it erases most of the codes and memory

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Sunday, May 10th, 2015 AT 3:29 PM

ALEX_BUENA

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Ok well tried the drive cycle again today, successfully got the catalyst and egr monitor to OK. But not the O2 monitor. Tried for hours of driving. You said something about the dealership what will they do?

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Monday, May 11th, 2015 AT 7:48 PM

ALEX_BUENA