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Boxer54, Toyota Technician
Category: Toyota
Satisfied Customers: 1753
Experience:  ASE Master tech with L1 certification, Toyota Master Diagnostic Technician
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What is the drive cycle protocol 2000 Tacoma catalytic?

Customer Question

What is the drive cycle protocol for my 2000 Tacoma for the catalytic?
Submitted: 3 months ago.
Category: Toyota
Expert:  Boxer54 replied 3 months ago.

Thank you for trusting us with your questions. Which code did you have, and which monitor has still not passed?

Customer: replied 3 months ago.
There is no code. The catalytic does not show green. so the smog tester says it will not pass the smog test, but because there is no code he does not think anything is wrong with the catalytic converter. He says he has seen many older Toyotas have difficulties resetting and being very particular with the drive cycle, thus I wanted the protocol Toyota suggests.
Expert:  Boxer54 replied 3 months ago.

Do you mean the catalyst monitor is incomplete?

Customer: replied 3 months ago.
That sounds about right.
Expert:  Boxer54 replied 3 months ago.

Here is the drive cycle.

Customer: replied 3 months ago.
as it is warm here, drive 3 min at 40-55 mph, then 7 min at 35-45 mph. what about stop lights and stop signs? And what is MIL?
Expert:  Boxer54 replied 3 months ago.

MIL is malfunction indictaor lamp, or check engine light. You will need to find a highway area capable of letting you drive non stop. It can be very difficult at times to get this to complete if you are not in a rural area. Eventually, it will complete through normal driving, but can take quite some time.