Low boost PSI

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Low boost PSI

09-30-2018, (Subject: Low boost PSI )

Post: #28

bwake

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RE: Low boost PSI

While waiting to figure out the ECM issue, I'd take the attached diagram and do some checking into the actuator wiring myself. It amazes me how many "mechanics" can't read a DVOM to save their lives. If the actuator is getting it's 5v reference signal there may be a problem with the return wire back to the ECM or a ground. Another issue you may be having is the termination resistor in the J1939 backbone got fried. Pull the harness from the VGT and check the j1939 +&- wires and see if you have 110 to 130 ohms of resistance, if not, one or both of the resistor got fried. ./uploads/201810/post_3811_1538357342_abe1cc836eca88f3447be8039823c839.jpg

./uploads/201810/post_3811_1538357342_abe1cc836eca88f3447be8039823c839.jpg

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Messages In This Thread

Low boost PSI - Diablo386 - 08-08-2018,

RE: Low boost PSI - smorgan87 - 08-08-2018,

RE: Low boost PSI - snailexpress - 08-08-2018,

RE: Low boost PSI - Diablo386 - 08-08-2018,

RE: Low boost PSI - Diablo386 - 08-08-2018,

RE: Low boost PSI - smorgan87 - 08-08-2018,

RE: Low boost PSI - Rawze - 08-08-2018,

RE: Low boost PSI - Diablo386 - 08-09-2018,

RE: Low boost PSI - Rawze - 08-09-2018,

RE: Low boost PSI - Diablo386 - 08-09-2018,

RE: Low boost PSI - Rawze - 08-10-2018,

RE: Low boost PSI - Diablo386 - 08-22-2018,

RE: Low boost PSI - Rawze - 08-22-2018,

RE: Low boost PSI - Diablo386 - 08-22-2018,

RE: Low boost PSI - Rawze - 08-22-2018,

RE: Low boost PSI - Diablo386 - 08-22-2018,

RE: Low boost PSI - Diablo386 - 08-09-2018,

RE: Low boost PSI - Chamberpains - 08-09-2018,

RE: Low boost PSI - Diablo386 - 08-09-2018,

RE: Low boost PSI - bubbanbrenda - 08-12-2018,

RE: Low boost PSI - zero4 - 08-11-2018,

RE: Low boost PSI - smorgan87 - 08-12-2018,

RE: Low boost PSI - Diablo386 - 08-13-2018,

RE: Low boost PSI - Diablo386 - 09-29-2018,

RE: Low boost PSI - Diablo386 - 09-30-2018,

RE: Low boost PSI - Rawze - 09-30-2018,

RE: Low boost PSI - Diablo386 - 09-30-2018,

RE: Low boost PSI - Rawze - 09-30-2018,

RE: Low boost PSI - bwake - 09-30-2018

RE: Low boost PSI - Diablo386 - 10-01-2018,

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