Volkswagen Passat 1995 Official Factory Repair Manual page 1557

Readiness code
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Read readiness code
Requirements
There must not be any DTCs stored in DTC
memory Page ST-22
Check DTC memory.
Coolant temperature must be at least 80 C
Page ST-15 , Diagnostic mode 1: Check
measured values; PID 05, Coolant
temperature.
Procedure
- Connect diagnostic tester
- Start engine and let run at idle.
- Under address word 33, select "Diagnostic
mode 1: Checking measured values."
- Select desired measuring value "PID 01".
- Observe the right 8-digit number block:
If all diagnoses have run through successfully,
the 8-digit number block
Specified value: 00000000 must be displayed.
Page 2 of 7
ST-50
, Diagnostic mode 3:
Page ST-8 .
6/12/2004