| Cooling fan | 14 | Cooling fan motor | Drive the fan motor. | Power supply mode of the electric motor switch: ON | Fan motor rotate. |
| EVAP. emission purge SOL. Valve | 10 | Evaporative emission purge solenoid | Solenoid valve turns from OFF to ON. | Power supply mode of the electric motor switch: ON | Clicks when solenoid valve is driven. |
| Fuel pump | 9 | Fuel pump | Fuel pump operates and fuel is recirculated. | Power supply mode of the electric motor switch: ON | Listen near the fuel tank for the sound of fuel pump operation. | Sound of operation is heard. |
| Ignition timing 5 BTDC | 11* | Basic ignition timing | Set to ignition timing adjustment mode. | - Continuous idling mode
- If the BMU data reading mode item 1, charge state (control) is less than 35 %, charge so that the charge state (control) can become 35 % or more.
- Connect timing light
| 5°BTDC ± 3° |
| Injector stop | 1 | Injectors | Specified injector is stopped. | Continuous idling mode (cut the fuel supply to each injector in turn and check cylinders which don't affect idling) | Idle condition is changed by stopping selected cylinder: this can cause an unstable condition and the engine may stall. |
| Oil control valve | 17 | Engine oil control valve | Switch the engine oil control valve from OFF to ON. | Power supply mode of the electric motor switch: ON | When the valve is actuated, operating noise is audible. |
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