Functional Check

WARNING: This page is about a different car, the 2002 Isuzu Trooper. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the shift position switch and make sure of function with a vacuum of -400 mmHg applied to Ports A and B, in accordance with the table below.

Actuator Function Check

State	Port A	Port B	Function
C	-400 mmHg	A/P	E
D	A/P	-400 mmHg	F

Fig 1: Inspecting Actuator Function (1 Of 3)

Courtesy of ISUZU MOTOR CO.

Fig 2: Inspecting Actuator Function (2 Of 3)

Courtesy of ISUZU MOTOR CO.

Fig 3: Inspecting Actuator Function (3 Of 3)

Courtesy of ISUZU MOTOR CO.

If there is an abnormality, replace the actuator as an assembly.

NOTE:

If the actuator works under - 400 mmHg or less, there is no functional problem.
Be careful not to permit the entry of water or dust into the ports of the actuator.