October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Power Circuits

With ignition off. Disconnect Electronic Control Unit (ECU) connector(s). Use a DVOM to probe ECU terminal connector. Check that battery (back-up power) voltage is present at ECU terminal A3 (White/Blue wire). Turn ignition on and ensure battery voltage is present at terminals A4 and A9 (Red wire). See appropriate wiring diagram in WIRING DIAGRAMS article. Repair circuits as required.