Volkswagen Passat 1995 Official Factory Repair Manual page 1825

VAG 1551 Scan Tool (ST), connecting and selecting 'CARB/OBD II' address word 33
Mode 41 PID x Module 10*
Current data
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Current data, mode 1
In mode 1 the current diagnostic data can be
interrogated. Additionally the readiness code can
be displayed (PID1 display field 4).
Breakdown of parameter identification (PID)
Page 01-87 diagnostic data.
The On Board Diagnostic (OBD) program can be
used to check whether individual parameters
correspond to actual engine condition.
- Press button -1- to select mode 1, current
data.
Display will appear as shown
Module 10* or 1A* will be displayed alternately when:
Module 10 = Engine Control Module (ECM) -
J220-, or
Module 1A = Transmission Control Module (TCM)
-J217- have the same parameter identifications
(PID)
Example: Engine Coolant Temperature is measured
at the ECM and ATF at the TCM.
The diagnostic data must be individually interrogated
via the button. Press the Print button to obtain a
printout.
The MIL is said to be switched ON when the engine is
not idling, and only the ignition is switched ON.
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12/6/2004