Service & Repair Manual

01-89
Work step 5: Check operating condition of
oxygen sensor control
- Start engine (for a vehicle with manual
transmission: engage clutch).
Note:
After starting engine, it may be necessary to
select the Engine Control Module (ECM) again
using "address word" 01 and the function "Initiate
basic setting" using "04".
- Install VAG1788/10 RPM adjuster on the
accelerator pedal and raise the engine speed.
Specification: 2200 RPM
Basic Settin
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Input displa
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roup number XXX
When indicated on display:
- Press buttons -0-, -3- and -0- to select "display group number 030" and
press -Q- button to confirm input.
System in Basic Setting 30
1 2 3 4
When indicated on display:
Note:
A few minutes may pass until a diagnostic result is reached.
- Check oxygen sensor status in display fields 1 to 4.
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