Test 6: ASCD Pump Circuit Check
- Check ASCD Pump
Turn ignition switch to LOCK position. Disconnect ASCD pump harness connector. Measure resistance between specified ASCD pump connector terminals (pump side). See ASCD PUMP RESISTANCE table. See Fig 1 . If resistance is as specified, go to next step. If resistance is not as specified, replace ASCD pump. - Circuit Check
Ensure ignition switch is in LOCK position. Disconnect ASCD pump harness connector. Disconnect ASCD control unit harness connector. Check each circuit for an open or short between ASCD pump and ASCD control unit. See WIRING DIAGRAMS . Repair as necessary.
ASCD PUMP RESISTANCE
| Measure Resistance Between Terminals No. | Approximate Ohms |
|---|---|
| 1 & 2 | 65 |
| 1 & 3 | 65 |
| 1 & 4 | 3 |