Engine Operation, Checking

ENGINE OPERATION, CHECKING

NOTE: Check establishes whether Engine Control Module (ECM) -J220- recognizes the engine operating condition.

Special tools, testers and auxiliary items
- VAG 1551/1552 scan tool with VAG 1551/3 adapter cable

Test conditions
- Engine oil temperature min. 80 °C (176 °F)

Test sequence
- Engine running at idle
- Connect VAG 1551/1552 scan tool and select "Engine Electronics" address word 01. VAG 1551 Connecting and Selecting Address Word 01

Indicated on display

Rapid data transfer HELP
Select function XX

- Press buttons -0- and -8- to select "Read Measuring Value Block" function 08 and press -Q- button to confirm input.

Indicated on display

Read Measuring Value Block HELP
Input display group number XXX

- Press buttons -0-, -0- and -5- for display group number 005 and press -Q- button to confirm input.

Indicated on display (1-4 = Display fields)

Read Measuring Value Block 5 ->
1 2 3 4

- Check whether the ECM recognizes the operating mode (display field 4).





If the specifications are not attained:
- Check accelerator mechanism for ease of operation.
- Check throttle valve control module, refer to "Throttle Valve Control Module, Checking". Testing and Inspection