A6 Sedan V6-2.8L (ATQ) (2000)
-
Connect multimeter between terminal 2 and 3 for resistance measurement.
-
Specification: 730 to 1000 Ohms
NOTE: Resistance value of the engine speed (RPM) sensor is based on a temperature of 20 °C. Resistance increases as temperature increases.
If specified value is not obtained:
-
Replace engine speed (RPM) sensor.
If specified value is obtained:
-
Connect multimeter to terminals 2 and 1 (shielding) and to terminals 3 and 1 (shielding) for resistance measurement.
-
Specification: each Infinity Ohms (no continuity)
If specified value is not obtained:
-
Replace engine speed (RPM) sensor.
If specified value is obtained:
-
Connect VAG1598/31 test box at wiring harness to ECM, do not connect ECM. Refer to "Scan Tool Testing/Wire And Component Test Using
VAG1598/31 Test Box", See: Testing and Inspection