Engines / UDS Engines by part number / 01 - Engine [EV_ECM40TDI0114M0907409 001012] / Test of exhaust gases temperature sensor 1;3;4 (G235; G495;G648)

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Part 1 of the order number Select the first three characters of the order number of the engine control unit. This number can be found in the VCDS when linked to the uniform in the SW order number field. Do not insert the ordering number from the control unit packaging here!!!

Select the first three characters of the order number of the engine control unit. This number can be found in the VCDS when linked to the uniform in the SW order number field. Do not insert the ordering number from the control unit packaging here!!!

Part 2 of the order number Select the first six characters of the order number of the engine control unit. This number can be found in the VCDS when linked to the uniform in the SW order number field. Do not enter the ordering number from the control unit packaging here!!!

Select the first six characters of the order number of the engine control unit. This number can be found in the VCDS when linked to the uniform in the SW order number field. Do not enter the ordering number from the control unit packaging here!!!

Part 3 of the order number Select the first nine characters of the order number of the engine control unit. This number can be found in the VCDS when linked to the uniform in the SW ordering number field. Do not enter the ordering number from the control unit packaging here!!!

Select the first nine characters of the order number of the engine control unit. This number can be found in the VCDS when linked to the uniform in the SW ordering number field. Do not enter the ordering number from the control unit packaging here!!!

Part 4 of the order number Select the order number of the engine control unit. This number can be found in the VCDS after connecting to the uniform in the SW ordering number field. Do not insert the ordering number from the control unit packaging here!!!

Select the order number of the engine control unit. This number can be found in the VCDS after connecting to the uniform in the SW ordering number field. Do not insert the ordering number from the control unit packaging here!!!

Control unit Select the desired control unit as accurately as possible. The UDS identifier EV_xyz can be found in the VCDS after connecting to the control unit and then in the Extended Identification.

Select the desired control unit as accurately as possible. The UDS identifier EV_xyz can be found in the VCDS after connecting to the control unit and then in the Extended Identification.

Diagnostic operation Select the desired diagnostic procedure.

Diagnostic procedure

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Conditions:
- engine temperature = ambient temperature

connect with the control unit XX - engine

Start the engine

engine speed = idling

wait XXs

Advanced Measured Values

select item in menu:

IDEXXXXX - Exhaust gas temperature sensor X (temperature upstream of component: turbo blower)
IDEXXXXX - Exhaust gas temperature sensor X (temperature upstream of component: Diesel Particulate Filter)
IDEXXXXX - Exhaust gas temperature sensor X (temperature downstream of component: Diesel Particulate Filter)

TIP! For easier search in the menu, enter the code IDE, ENG or MAS into the "Filter" window

increase rpm to XXXX rpm

desired condition:

Exhaust gas temperature sensor X = increasing - strongly
Exhaust gas temperature sensor X, X = increasing - moderately

temperature of exhaust gases X > temperature of exhaust gases X > temperature of exhaust gases X

for this test, it is suitable to use graphical representation VagScope

Picture documentation:

+ G235-def.JPG

+ G235 - OK.JPG

if values are not achieved - check component:
- temperature sensor
- wiring: temperature sensor -> control unit
- connector connections

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