Scan Tester Procedure
Access CPS service data item No. 22. Scan tester should display idle speed. See CPS IDLE SPEED SPECIFICATION table.
CPS IDLE SPEED SPECIFICATION
| Coolant Temperature °F (°C) | Engine RPM |
|---|---|
| -4 (-20) | 1500-1700 |
| 32 (0) | 1350-1550 |
| 68 (20) | 1200-1400 |
| 104 (40) | 1000-1200 |
| 176 (80) | 650-850 |