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Drop the hardware number in the comments for pinout suggestions. bosch ecu wiring diagram
Engine cranks, no spark, no injector pulse. Drop the hardware number in the comments for
Find pin A27 (labeled Terminal 15 – Ignition). Use a multimeter: Should read 12V with key ON. If not, the main relay or fuse is dead. bosch ecu wiring diagram
Verify continuity between ECU pin A2 and battery negative. Resistance should be <1 Ohm.
Bosch Ecu Wiring Diagram Link
Drop the hardware number in the comments for pinout suggestions.
Engine cranks, no spark, no injector pulse.
Find pin A27 (labeled Terminal 15 – Ignition). Use a multimeter: Should read 12V with key ON. If not, the main relay or fuse is dead.
Verify continuity between ECU pin A2 and battery negative. Resistance should be <1 Ohm.