Pump Circuit Check
Disconnect cruise control actuator pump. Measure resistance between specified pump terminals. See PUMP TEST table. See Fig 1 . Replace pump if resistance is not as specified. If resistance is as specified, check circuits between pump and control module for opens or shorts. See WIRING DIAGRAMS .
PUMP TEST
| Check Between Terminals No. | Ohms |
|---|---|
| 1 & 4 | About 3 |
| 1 & 2 | About 65 |
| 1 & 3 | About 65 |