Test point 11

Average consumption

• Engine off
• Select average consumption with on-board computer selector lever

PST2 display:

Tester display approximately equal to actual average consumption

• Switch off ignition
• Pull off plug II  on the instrument cluster
• Disconnect plug on DME control module (ME 5.2) or
• Disconnect plug IV  on DME control module (ME 7.2)
• Switch ignition on
• Measure the voltage between instrument cluster plug II  pin 13 and ground

  Voltmeter display: 0 V

• Switch off ignition
• Ohmmeter on instrument cluster plug II  pin 13 and ground

  Ohmmeter display: "INFIN" Ω

• Ohmmeter on instrument cluster plug II  pin 13 and plug on DME control module (ME 5.2) pin 83 or
• Ohmmeter on instrument cluster plug II  pin 13 and on DME control module plug IV  pin 33 (ME 7.2)

  Ohmmeter display: < 5 Ω