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2.11 电动燃油泵电路 a.检查电动燃油泵的工作。在置点火开关于ON位后,听电动燃油泵是否有运转声。电动燃油泵的运转声应持续5s,否则应检查电动燃油泵电路。 b.检查燃油泵继电器电源电压。方法是:置点火开关于OFF位;拔下燃油泵继电器导线侧连接器;置点火开关于ON位;测量燃油泵继电器导线侧连接器1号和3号端子(图16)的电压。两端子的电压均应为蓄电池电压,否则应检查熔丝S_6、燃油泵继电器导线侧连接器与熔丝S_6之间的导线和导线连接器M1及E52,并视情予以修理或更换。
2.11 electric fuel pump circuit a. Check the electric fuel pump work. Set the ignition switch in the ON bit, listen to the electric fuel pump is running sound. The operation of the electric fuel pump should last 5 s, otherwise the electric fuel pump circuit should be checked. b. Check fuel pump relay supply voltage. The ignition switch is set to OFF; unplug the fuel pump relay wire side connector; the ignition switch is ON; and the voltage of the fuel pump relay wire side connector terminals 1 and 3 (Figure 16) is measured. The voltage at both terminals shall be the battery voltage. Otherwise, check the fuse S_6, the wire between the fuel pump relay wire side connector and fuse S_6 and the wire connectors M1 and E52, and repair or replace as appropriate.