ATEMU on VVTi SC300?
#1
9th Gear
Thread Starter
ATEMU on VVTi SC300?
Hello! I am currently trying to install an
ATEMU from all4swap into my 1998 SC300 with an R154 swap and I am having some difficulties creating a wiring diagram. Has anyone here successfully installed it into their SC? The main info I can find is early model IS300s, but it’s wiring harness looks to be slightly different then the SC. I have completed about 90% of my wiring diagram, but I am having trouble as to what pins I should used for the PRND32L as there looks to be a discrepancy between the documents. Attached below are the documents I have found.
ATEMU from all4swap into my 1998 SC300 with an R154 swap and I am having some difficulties creating a wiring diagram. Has anyone here successfully installed it into their SC? The main info I can find is early model IS300s, but it’s wiring harness looks to be slightly different then the SC. I have completed about 90% of my wiring diagram, but I am having trouble as to what pins I should used for the PRND32L as there looks to be a discrepancy between the documents. Attached below are the documents I have found.
#2
Higashi300,
Did you ever figure out the wiring for the ATEMU on your 98 SC300? I have one pin left to figure out and that's for "P". What ECM pin did you connect the "P" from the ATEMU to?
Thanks sir.
Did you ever figure out the wiring for the ATEMU on your 98 SC300? I have one pin left to figure out and that's for "P". What ECM pin did you connect the "P" from the ATEMU to?
Thanks sir.
#3
9th Gear
Thread Starter
I created a wiring diagram with all the correct pins. I was able to find out everything through sourcing some dealership manuals. It works perfectly in my car now. No CEL!
The following users liked this post:
landarch20 (08-24-24)
#4
May I further ask:
1. What did you do for the VSS output from the transmission? I bought the Driftmotion speedo gear and VSS adapter that has a three wire connector. The connector to the A340E speed sensor is a 2-wire.
2. Do you have cruise control functionality and if so, what did you do to get that working?
Thanks again man.
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