zero point calibration, ls400 2000

qewani1 · 2018-11-23 16:57:00

https://cimg4.ibsrv.net/gimg/www.clublexus.com-vbulletin/580x196/eb1d2472_817d_4b17_b463_e6632e15a4a9_7495d04ce1991513b1ce8d7ef53db9782cb9e7c8.png how to check the VGS voltage with my multimeter?

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Dec 25, 2018 | 05:37 AM

#16

qewani1

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how to check the VGS voltage with my multimeter?

Dec 25, 2018 | 06:17 AM

#17

Yamae

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Simply connect the test leads to it and the GGND.

Dec 26, 2018 | 03:19 AM

#18

qewani1

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with engine running on idle, black lead connected to GGND and red lead to VGS , reading is zero

Last edited by qewani1; Dec 26, 2018 at 03:28 AM.

Dec 26, 2018 | 04:31 AM

#19

Yamae

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Quote:

Originally Posted by qewani1

with engine running on idle, black lead connected to GGND and red lead to VGS , reading is zero

Reading zero at VGS simply means that the ABS & VSC computer is not supplying DC5V or the line is grounded. I also worry that the voltage regulator in the computer is dead.

Jan 2, 2019 | 11:46 AM

#20

qewani1

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Quote:

Originally Posted by Yamae

Reading zero at VGS simply means that the ABS & VSC computer is not supplying DC5V or the line is grounded. I also worry that the voltage regulator in the computer is dead.

how to track the wire which suplies abs computer with 5v ? how to check if it is grounded? what next should i check pleas

Jan 2, 2019 | 04:35 PM

#21

Yamae

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The grounding can be checked simply measuring the resistance between those two pins. If not grounded, the 5V supply circuit may not be functioning and this needs you to analyse the voltage regulator but this requires you some good skills.