Engines / UDS Engines by part number / 01 - Engine [EV_ECM20TDI01104L906016CA 001005] / Test of exhaust gases temperature sensor 2;3;4 (G448; G495;G648) CUUx

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Mark	Model	Control unit	Diagnostic operation

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Select a vehicle make or a common group such as Service Intervals, Engines, Transmissions, Immobilizers and Independent Heaters.

Model

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!!!

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 SX/SX/SX/SX

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

temperature of exhaust gases SX > temperature of exhaust gases SX > temperature of exhaust gases SX

Picture documentation:

+ G448, G495, G648 - OK

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

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