Service Data: 1ZZ-FE:
1ZZ-FE Engine Control System Service Data
| Throttle idle speed control valve assy | ||
| Movement | Ignition switch ON | Half open → fully close → fully open → half open |
| Intake air flow meter sub-assy | ||
| Resistance | THA - E2 | |
| at -20°C (-4°F) | 13.6 - 18.4 kΩ | |
| at 20°C (68°F) | 2.21 - 2.69 kΩ | |
| at 60°C (140°F) | 0.49 - 0.67 kΩ | |
| Camshaft timing oil control valve assy | ||
| Resistance | at 20°C (68°F) | 6.9 - 7.9 Ω |
| E.F.I Throttle position sensor | ||
| Resistance | VC - E2 | 2.5 - 6.0 kΩ |
| E.F.I. Engine coolant temperature sensor | ||
| Resistance | at 20°C (68°F) | 2.32 - 2.59 kΩ |
| at 80°C (176°F) | 0.310 - 0.326 kΩ | |
| Knock control sensor | ||
| Resistance | at 20°C (68°F) | 120 - 280 kΩ |
| E.F.I. Circuit opening relay assy | ||
| Specified condition | Between terminals 1 and 2 | Continuity |
| Between terminals 3 and 5 | No continuity | |
| E.F.I. ECU relay | ||
| Specified condition | Between terminals 1 and 2 | Continuity |
| Between terminals 3 and 5 | No continuity |