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Code 1111: DME Power Supply

  1. Battery Voltage (Keep-Alive Memory) Circuit: Disconnect DME control unit. Connect Digital Volt-Ohmmeter (DVOM) between terminal No. 24 (ground) and terminal No. 18 (battery voltage). See Figure . DVOM should indicate battery voltage. If battery voltage is not present, check Red wire back to fuse block and battery, or check Brown ground wire.
  2. Ignition Voltage (DME Relay) Circuit: Connect DVOM between terminal No. 24 (ground) and terminal No. 37 (ignition voltage). See Figure . Turn ignition on. DVOM should indicate battery voltage. If battery voltage is not present, check Gray/Brown wire back to DME relay or Brown ground wire.
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