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E7J-A-2/60 ENGINE 17 IGNITION AND INJECTION 17 - 26 DIAGNOSING-INTERPRETING THE DEFECTS DEFECT CYLINDER 4 - INJECTOR CIRCUIT 1. Short-circuit at 12 V along the way to the pin 89 of the calculator (injector command) 2. Short-circuit to the mass along the way to pin 89 of the calculator (injector command) 3. Open circuit along the way to the pin 89 of the calculator (injector SUGGESTIONS
Conditions of breakdown detection by the calculator: -the engine is started Check the resistance of injector 4. Check, after setting the contact, the presence of 12V at the pin 1 of injector 4. Connect the 90-way terminal-tester instead of the calculator and check the insulation ♦ pin 2 of injector 4. Remedy if necessary. The problem is not yet solved! Consequently, the injection calculator must be changed. electric shock. AFTER Erase defects memorized by the computer. 9. |