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Home >> Volkswagen >> 2001 >> Jetta GL, 2.0 S, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 38 (1.9L - Fuel Injection Glow Plug, Engine Code: ALH (A4 Platform)) >> 01 On Board Diagnostic (OBD) >> Function 03: Output Diagnostic Test Mode (DTM) >> Output Diagnostic Test Mode, performing >> Activating Preheating coolant, low heat output relay J359 (only on vehicles with manual transmission)

Activating Preheating coolant, low heat output relay J359 (only on vehicles with manual transmission)

WARNING: This page is about a different variant/trim than selected.

Indicated on display:

Output Diagnostic Test Mode ->
Low heater output relay J359

Relay must click.

If relay does not click:

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