Prerequisites (with air conditioning)

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

Vehicle at room temperature, warmer than + 15 ° C (59 ° F)
A/C on
Lowest temperature setting and highest blower speed

The Output diagnostic test mode activates the following components in the following sequence:

1. Cold Start Injector N108

2. EGR Vacuum Regulator Solenoid Valve N18

3. Air Conditioning compressor interrupt

4. Fuel Cut-off Valve N109

5. Wastegate Bypass Regulator Valve N75 for boost control

6. Glow Plug Relay J52

7. Glow Plug Indicator Lamp K29

8. Relay J359 preheat coolant, low heat output (man. trans. only)

9. Relay J360 preheat coolant, high heat output (man. trans. only)

10. Malfunction Indicator Lamp (MIL) K82 , Exhaust Warning Lamp K83 - (MIL is shown in the 1551 display, however; K83 Exhaust Warning Lamp is the actual component being tested)

NOTE:

Activation of individual control elements is limited to 30 seconds. but can be stopped at any time by pressing → button.
Ignition must be switched off before repeating Output Diagnostic Test Mode.