Legend Coupe V6-3206cc 3.2L SOHC FI (1991)
Cruise Control Servo: Testing and Inspection
1.
Disconnect actuator cable from actuator rod and 4-P connector.
2.
Connect battery positive to D terminal and negative to A, B, and C terminals of 4-P connector.
3.
Connect vacuum pump to check valve and apply vacuum to actuator. Vacuum reading of 0-30 inch Hg.
4.
The actuator rod should pull in completely. If the rod pulls in part way or not at all, check for a leak in vacuum line or defective solenoid.
5.
With voltage and vacuum still applied, pull actuator rod by hand. If rod comes out, actuator is defective.
6.
Disconnect battery negative from C terminal. The rod should return. If rod does not return, the vent hose and filter are free, the solenoid is
defective.
7.
Repeat steps 2 through 6, disconnecting battery negative from A terminal. The actuator rod should return, If it does not, and the vent hose and
filter are free, the solenoid valve assembly is defective.
8.
When replacement of solenoid valve assembly, use new O-rings at each solenoid.
