volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Voltage Measurements|Page 89 > < ECM - Inoperative Due to Improper Battery Charging|Page 86
Page 1
background image

Engine Control Module: Testing and Inspection
Voltage Measurements

Grounds

Main Relay Supply

Coolant Temperature Sensor

Air Temperature Sensor

Start Signal

Throttle Switch

*

The throttle switch uses the same input line to both the closed throttle and the full load signal.

Voltage Measurements|Page 89 > < ECM - Inoperative Due to Improper Battery Charging|Page 86