WebTurn keyswitch ON.Check the intake air heater supply voltage and return circuit. Measure the voltage between the intake air heater relay SIGNAL line and the intake air heater relay RETURN line at the intake air heater relay connector of the OEM harness. NOTE: For 12-volt systems, both leads should be tested. WebJun 12, 2016 · Posts: 17,320. Ambient Air Temperature Sensor 6.7 ISB. Does anyone know where the AATS is located on a Cummins 6.7L ISB 340hp engine? I am getting a check engine warning and light for a few seconds after startup, then it goes away. My ScanGuage shows the trouble code to be 256 which I have researched and think it may …
Ambient Air Temperature Sensor 6.7 ISB - iRV2 Forums
WebJan 9, 2013 · The air heater elements are used to heat incoming air to the intake manifold. This is done to help engine starting and improve driveability with cool or cold outside … WebJan 1, 2016 · Disconnect connector containing intake air heater relay No. 2 control circuit (Orange/Black wire). Intake air heater relays are located on bracket near driver's side battery. Disconnect ECM harness connector. ECM is located on driver's side of engine, just in front of fuel transfer pump and contains a 50-pin connector. cyc the island
6.7L Cummins Intake Air Temperature Sensor Pure …
WebOct 31, 2011 · The grid heaters on our Vision's here will continue to cycle causing the volt gauge to drop, the STOP light and TOO LOW with pic of battery, until the engine oil temp and the engine water temp reach 120 degrees cumulatively. So basically 60 degrees of temp on each one is suppose to stop grid heater from coming on. WebAug 21, 2024 · Originally posted by dsalinas1939. i may have put this up before not sure but i have this 2014 c2 and its setting a 3494 code its intake heater mechanical fault i ran down the diagnostic tree and its tellin me it have to take to dealer for next procedure the heater eliment is working fine when i turn key on i hear it click on then off i see it ... WebOEM #: N/A. Serial#: 911 154 650 6. Casting#: 911 154 650 6. Core Charge: 0.00. Good, Used Air Compressor Head off A Cummins ISB 5.9 Engine. Part has been inspected … cyctochrome oxidase