Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSVOLKSWAGEN2003GOLF (1J1) L4-1.9L DSL TURBO (ALH)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESWITH GENERIC SCAN TOOLDIAGNOSTIC MODE, SELECTINGDIAGNOSTIC MODE 2: CHECKING OPERATING CONDITIONS
2003 Volkswagen Golf (1J1) L4-1.9L DSL Turbo (ALH)
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.
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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.