Sc300 wiring
12-14-15, 10:23 AM
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Sc300 wiring
I'm trying to trouble shoot an issue I'm having with me Sc300. I wanted to know if someone could list the locations for all of the ground wires so I could check them for corrosion. I have a feeling that this maybe why me Sc will not hold idle rpm's. I have to gas it while cranking it to stay alive.
12-14-15, 11:05 AM
#2
I'm trying to trouble shoot an issue I'm having with me Sc300. I wanted to know if someone could list the locations for all of the ground wires so I could check them for corrosion. I have a feeling that this maybe why me Sc will not hold idle rpm's. I have to gas it while cranking it to stay alive.
For the engine harness ground wires , there are two .. under your intake runner front and rear portion. They are fastened by a 10mm bolt .
And with your problem description , I don't see them being your problem. Why ? That car won't even start if one of those ground wire on the engine harness is loose.
I have a pretty good idea what the problem is based on your description which is the IACV but an error code will confirm it ?
Last edited by gerrb; 12-14-15 at 11:28 AM.
12-14-15, 12:23 PM
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I assume you are looking only for the engine harness ground wires for the SC300 ? Reason I ask is because there are tons of ground wires on that SC300 . You will need the TSRM to find each one.
For the engine harness ground wires , there are two .. under your intake runner front and rear portion. They are fastened by a 10mm bolt .
And with your problem description , I don't see them being your problem. Why ? That car won't even start if one of those ground wire on the engine harness is loose.
I have a pretty good idea what the problem is based on your description which is the IACV but an error code will confirm it ?
For the engine harness ground wires , there are two .. under your intake runner front and rear portion. They are fastened by a 10mm bolt .
And with your problem description , I don't see them being your problem. Why ? That car won't even start if one of those ground wire on the engine harness is loose.
I have a pretty good idea what the problem is based on your description which is the IACV but an error code will confirm it ?
12-14-15, 12:26 PM
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It's funny you mentioned that because when you did it just reminded me that my mechanic had replaced a valve sometime ago. Does that valve have to do with the power steering as well? I asked because he change a valve that works with the power steering pump because the wheel had became harder to turn over the years.
12-19-15, 12:38 PM
#8
Locations for factory grounds in the engine bay:
2 on the intake manifold next to the driver's side strut tower.
One below these ^ 2, on the block that connects to the drivers side chassis, then to the negative battery terminal.
One right next to the front of the fuse box on the drivers side of the chassis next to the whole plug
One to the left of the intake box.
2 on the intake manifold next to the driver's side strut tower.
One below these ^ 2, on the block that connects to the drivers side chassis, then to the negative battery terminal.
One right next to the front of the fuse box on the drivers side of the chassis next to the whole plug
One to the left of the intake box.
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