Neutral Safety Switch: Service and Repair
Inhibitor SwitchINSPECTION
When the driving condition or starter motor operation is erroneous, first check the shift linkage for improper operation. If the shift linkage is functioning properly, check the inhibitor switch.
Disconnect the inhibitor switch connector.
Check continuity in inhibitor switch circuits with the select lever moved to each position.
Note:
^ Also check that continuity in ignition circuit does not exist when the select lever is in R, D, 3, 2 and 1 ranges.
^ If the inhibitor switch is inoperative, check for poor contact of connector on transmission side.
(A) Inhibitor switch connector
Check if there is continuity at equal points when the select lever is turned 1.51 in both directions from "N" range.
If there is continuity in one direction and the continuity in the other or if there is continuity at unequal points, adjust the inhibitor switch.
(A) Continuity does not exist.
(B) Continuity exists.
(C) 1.5°
Repeat the above checks. If there are abnormalities, adjust the select cable.
ADJUSTMENT
Shift the select lever to "N" range.
Loosen the three inhibitor switch securing bolts.
Insert the ST as vertical as possible into the holes in inhibitor switch lever and switch body.
ST 32005129 STOPPER P
Tighten the three inhibitor switch bolts.
Tightening torque: 3.5 Nm (0.35 kgf-m, 2.5 ft. lbs.)
Repeat the above checks. If the inhibitor switch is determined to be "faulty", replace it.
REMOVAL
Set up the vehicle on a lift.
Move the select lever to "N" range.
Remove the air intake chamber. (Saab 9-2X 2.5i Linear)
Remove the intercooler. (Saab 9-2X 2.0T Aero)
Disconnect the inhibitor switch connector.
(A) Inhibitor switch
Remove the inhibitor switch connector from stay.
Lift-up the vehicle.
Remove the front and center exhaust pipes.
Remove the snap pin and washer from range select lever.
(A) Range select lever
(B) Snap pin
(C) Select cable
(D) Washer
Remove the plate assembly from transmission case.
(A) Select cable
(B) Plate ASSY
Remove the bolts.
(A) Inhibitor switch
Move the range select lever to parking position (left side).
(A) Range select lever
Remove the inhibitor switch from transmission.
(A) Inhibitor switch
Disconnect the inhibitor switch harness connector from inhibitor switch.
INSTALLATION
Connect the inhibitor switch harness connector to inhibitor switch.
Install the inhibitor switch to transmission case.
(A) Inhibitor switch
Move the range select lever to neutral position.
Using the ST, tighten the bolts of inhibitor switch.
ST 32005129 STOPPER P
Tightening torque: 3.5 Nm (0.36 kgf-m, 2.6 ft. lbs.)
(A) Inhibitor switch
(B) Range select lever
Install the select cable to range select lever.
Install the plate assembly to transmission.
Tightening torque:
T6: 25 Nm (2.5 kgf-m, 18.1 ft. lbs.)
(A) Select cable
(B) Plate ASSY
Install the washer and snap pin to range select lever.
(A) Range select lever
(B) Snap ring
(C) Select cable
(D) Washer
Install the front and center exhaust pipes. (Saab 9-2X 2.5i Linear)
Install the center exhaust pipe. (Saab 9-2X 2.0T Aero)
Lower the vehicle.
Install the inhibitor switch connector from stay.
Connect the inhibitor switch connector.
(A) Inhibitor switch
Install the air intake chamber. (Saab 9-2X 2.5i Linear)
Install the intercooler. (Saab 9-2X 2.0T Aero)
Inspect the inhibitor switch.