Diagnostic Mode 2: Checking Operating Conditions

2003 Volkswagen Golf (1J1) L4-1.9L DSL Turbo (ALH)SECTION Diagnostic Mode 2: Checking Operating Conditions


Diagnostic Mode 2: Check Operating Conditions

Function
This diagnostic mode displays the operating conditions at which an emission relevant malfunction was detected and stored by the control module for Diesel-Direct fuel injection system.

Work procedure
- Connect diagnostic tester. Diagnostic Tester, Connecting
- Depending on the desired operating condition:switch on ignition
or start engine and let run at idle.
- Under address word 33, select "Diagnostic mode 2: Check operating conditions."
- Select the desired operating condition(s) "PID XX".

NOTE: The operating conditions are sorted according to the PID (parameter-identifications).

PID Display operating conditions
02: DTC which triggered the current reception of all control module information
04: Calculated load condition value
05: Coolant temperature
11: Intake manifold pressure
12: Engine rotations per minute (RPM)
13: Vehicle speed
14: Valve timing adjustment at 1. cyl. to "advance"
15: Intake Air Temperature (IAT)
16: Air flow quantity at Mass Air Flow (MAF) sensor
17: Throttle valve position (absolute)

If DTCs are displayed in "PID 02":
- Repair stored malfunctions according to DTC table:
- SAE P0xxx-DTCs. Testing and Inspection
- End diagnosis and switch ignition off.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.