NS-10B Injector Driver Circuits

Complete No Start Test 10, Step A, before proceeding.

1. With diagnostic read-out tool connected to engine test connector, and injector electrical connectors disconnected, place system in ATM Test 02.
2. Connect injector No. 1 electrical connector and note if injector clicks.
3. Disconnect injector No. 1 electrical connector, then connect electrical connector for injector No. 2 and note if injector clicks.
4. Disconnect injector No. 2 electrical connector, then connector electrical connector for injector No. 3 and note if injector clicks.
5. Disconnect injector No. 3 electrical connector, then connector electrical connector for injector No. 4 and note if injector clicks.
6. If any one injector does not click, replace injector. Prior to replace injector, ensure wiring does not have an open circuit.
7. If injectors 1 and 2 do not click, proceed to Test 10 step C.
8. If injectors 3 and 4 do not click, proceed to Test 10 Step E.