Q7 Quattro V6-3.6L (BHK) (2007)
If the value jumps to approx. 140.0° C
-
End diagnosis and switch the ignition off.
-
Replace the Engine Coolant Temperature (ECT) Sensor (G62).
If indication remains at approx. -40.0° C:
°Testing if display approx. 140.0 C
-
Disconnect the Engine Coolant Temperature (ECT) Sensor (G62) electrical harness connector - arrow -.
If indication jumps to approx. -40.0° C:
-
End diagnosis and switch ignition off.
-
Replace the Engine Coolant Temperature (ECT) Sensor (G62).
If indication remains at approx. 140.0° C:
Checking wiring
If the manufacturers test box is being used. Perform the following step.
-
Install the Test Box.
If the manufacturers test box is not being used. Perform the following step.
-
Remove the Engine Control Module (ECM) (J623). Refer to => [ Engine Control Module, Replacing ] See: Powertrain Management/Computers