Summary of Contents for Honda Civic 1986 1987 Service Manual - Page 61

  • Honda Civic 1986 1987 Service Manual - Page 61

    Fuel System [— Injector Testing NOTE: Check the following items before testing idle speed, ignition timing, valve clearance and idle CO 96. it the «nylon will nth. l. With the engine idling, disconnect inieotor couplers, and inspect the change the idling speedt 0 if the idle speed drop is almost the same for each cylinder, the injectors are normal. 0 If the idle speed or quality remains the same when you disconnect a particular injector, check for voltage at mat couplert — If voltage is fluctuatesbetween 0 and 2 volts, replace the injectort — If there is no voltage, t:th the fallowin - Whether there is any thort-cl’rcuiting, wire breakage, or poor connection in the wiring between the resistor and the injector. ~ Whether the resistor is normal. Whether there is any short-circuiting, wire breakage, or poor connection in the wire between the resistor and control unit If the engine cannot he started, L Remove the coupler or the injector, and measure the resistance between the terminals or the iniectort Retinal” should be: 1.5—2.5 fl - If resistance is not as specified, replace the injec- tort D If the resistance is normal, check the follcvwing: - Whether there is any short-circuiting, wire breakage, or poor connection in the wiring between the resistor and the initcton - Whether the resistor is normal. ~ Whether there is any shortcirouiting, wire breakage, or poor connection in the wire be tween the resistor and control unit. 11-38